Forecast for Lake Superior

356 
FZUS63 KMQT 131454
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
954 AM EST Wed Dec 13 2017

For waters beyond five nautical miles of shore on Lake Superior

Waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. Occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.SYNOPSIS...A low pressure system of 29.5 inches over southwest
Wisconsin late this morning will move to southern Lake Michigan 
this afternoon. A weak low pressure system of 30.0 inches will 
then form near Lake Superior Thursday and strengthen on Friday as 
it moves over Lake Huron at 29.6 inches by the evening. Weak 
ridging of 30.2 inches Saturday will give way to another trough on
Sunday.

LSZ162-132300-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
954 AM EST Wed Dec 13 2017 /854 AM CST Wed Dec 13 2017/

.REST OF TODAY...East winds 15 to 25 knots becoming northeast 20 
to 30 knots by mid afternoon. Snow. Waves 3 to 5 feet occasionally
to 7 feet subsiding to 2 to 4 feet, then building to 3 to 6 feet 
occasionally to 8 feet. 
.TONIGHT...Northeast winds 15 to 25 knots becoming north 5 to
15 knots by midnight. Isolated snow showers. Waves subsiding to
1 to 3 feet. 
.THURSDAY...Northwest winds 5 to 15 knots. A slight chance of
snow showers. Waves subsiding to calm to 2 feet. 
.THURSDAY NIGHT...Northwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. A chance of snow showers. Waves
building to 1 to 3 feet. 
.FRIDAY...Northwest winds 10 to 20 knots veering north in the
afternoon. A chance of snow showers. Waves 1 to 3 feet. 
.FRIDAY NIGHT...North winds 10 to 20 knots becoming east 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet. 
.SATURDAY...Southeast winds 5 to 15 knots veering south. A chance
of snow showers. Waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.SUNDAY...West winds 5 to 15 knots increasing to 15 to 25 knots.
Waves building to 3 to 5 feet occasionally to 7 feet. 

$$

LSZ263-132300-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
954 AM EST Wed Dec 13 2017

.REST OF TODAY...East winds 15 to 25 knots backing northeast by 
mid afternoon. Snow likely. Waves 2 to 4 feet building to 3 to 6 
feet occasionally to 8 feet. 
.TONIGHT...North winds 15 to 25 knots diminishing to 5 to
15 knots. Scattered snow showers. Waves subsiding to 1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots backing northwest. A chance
of snow showers. Waves subsiding to calm to 2 feet. 
.THURSDAY NIGHT...Northwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. A chance of snow showers. Waves
building to 1 to 3 feet. 
.FRIDAY...North winds 10 to 20 knots. A chance of snow showers.
Waves building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.FRIDAY NIGHT...North winds 10 to 20 knots becoming northeast
5 to 15 knots after midnight. A chance of snow showers. Waves
subsiding to calm to 2 feet. 
.SATURDAY...Southeast winds 5 to 15 knots veering south. A chance
of snow showers. Waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.SUNDAY...West winds 5 to 15 knots increasing to 15 to 25 knots.
A chance of snow showers. Waves building to 3 to 5 feet
occasionally to 7 feet. 

$$

LSZ264-132300-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
954 AM EST Wed Dec 13 2017

.REST OF TODAY...East winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then backing northeast by mid
afternoon. A chance of snow. Waves 1 to 3 feet building to 3 to
5 feet occasionally to 7 feet. 
.TONIGHT...North winds 15 to 25 knots diminishing to 5 to
15 knots. Scattered snow showers. Waves subsiding to 1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots backing northwest by late
morning, then increasing to 10 to 20 knots by mid afternoon. A
slight chance of snow showers. Waves subsiding to calm to 2 feet,
then building to 1 to 3 feet. 
.THURSDAY NIGHT...Northwest winds 10 to 20 knots. A chance of
snow showers. Waves 1 to 3 feet. 
.FRIDAY...North winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. A chance of snow showers. Waves building to
3 to 5 feet occasionally to 7 feet. 
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 5 to
15 knots after midnight. A chance of snow showers. Waves
subsiding to calm to 2 feet. 
.SATURDAY...South winds 10 to 20 knots. A chance of snow showers.
Waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.SUNDAY...West winds 5 to 15 knots increasing to 15 to 25 knots.
A chance of snow showers. Waves subsiding to calm to 2 feet, then
building to 3 to 5 feet occasionally to 7 feet. 

$$

LSZ265-132300-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
954 AM EST Wed Dec 13 2017

.REST OF TODAY...Southeast winds 15 to 25 knots backing northeast
by mid afternoon. Snow likely. Waves 1 to 3 feet building to 2 to
4 feet. 
.TONIGHT...North winds 15 to 25 knots. Scattered snow showers.
Waves 2 to 4 feet. 
.THURSDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A chance of snow showers. Waves
subsiding to 1 to 3 feet. 
.THURSDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. A chance of snow showers in the
evening, then snow showers likely after midnight. Waves 1 to
3 feet. 
.FRIDAY...North winds 15 to 25 knots. Snow showers. Waves
building to 3 to 5 feet occasionally to 7 feet. 
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves building
to 3 to 6 feet occasionally to 8 feet, then subsiding to 1 to
3 feet. 
.SATURDAY...South winds 10 to 20 knots increasing to 15 to
25 knots. A chance of snow showers, then snow showers likely.
Waves subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.SUNDAY...Southwest winds 10 to 20 knots becoming west 15 to
25 knots. A chance of snow showers. Waves subsiding to calm to
2 feet, then building to 2 to 4 feet. 

$$

LSZ266-132300-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
954 AM EST Wed Dec 13 2017

.REST OF TODAY...East winds 15 to 25 knots backing northeast by
mid afternoon. A chance of snow. Waves 1 to 3 feet building to
2 to 4 feet. 
.TONIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. Scattered snow showers. Waves 2 to 4 feet. 
.THURSDAY...North winds 10 to 20 knots backing northwest by late
morning, then increasing to 15 to 25 knots by mid afternoon. A
chance of snow showers. Waves subsiding to 1 to 3 feet. 
.THURSDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. A chance of snow showers in the
evening, then snow showers after midnight. Waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.FRIDAY...North winds 15 to 25 knots. Snow showers. Waves
building to 3 to 6 feet occasionally to 8 feet. 
.FRIDAY NIGHT...North winds 20 to 30 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves
subsiding to 2 to 4 feet. 
.SATURDAY...South winds 10 to 20 knots increasing to 15 to
25 knots. A chance of snow showers. Waves subsiding to calm to
2 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.SUNDAY...Southwest winds 10 to 20 knots becoming west 15 to
25 knots. A chance of snow showers. Waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet. 

$$

LSZ267-132300-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
954 AM EST Wed Dec 13 2017

.REST OF TODAY...East winds 10 to 20 knots becoming northeast
15 to 25 knots by mid afternoon. A slight chance of snow. Waves
calm to 2 feet building to 1 to 3 feet. 
.TONIGHT...Northeast winds 15 to 25 knots backing north by
midnight. Scattered snow showers. Waves building to 2 to 4 feet,
then subsiding to 1 to 3 feet. 
.THURSDAY...North winds 10 to 20 knots backing northwest. A
chance of snow showers in the morning, then snow showers likely
in the afternoon. Waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.THURSDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. Snow showers. Waves building to
2 to 4 feet, then subsiding to 1 to 3 feet. 
.FRIDAY...North winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. Snow showers. Waves building to 2 to 4 feet. 
.FRIDAY NIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. A chance of snow showers. Waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 1 to
3 feet. 
.SATURDAY...Southeast winds 10 to 20 knots becoming south 15 to
25 knots. A chance of snow showers. Waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.SUNDAY...South winds 15 to 25 knots veering west. A chance of
snow showers. Waves subsiding to calm to 2 feet, then building to
3 to 5 feet occasionally to 7 feet. 

$$
LSZ261-132300-
MAFOR 1316/
Superior West 11237 11147 11140 11130 11820 13810. Freezing spray
through early evening. Scattered snow showers through early
evening. Waves 3 to 6 feet this afternoon. Waves subsiding to 1 
to 4 feet tonight and Thursday morning.

Superior North Central 11230 12130 11830 13820 11710. Chance of 
snow this afternoon. Scattered snow showers overnight. Waves 2 to 
5 feet. 

Superior South Central 11227 12130 11830 12820 12720. Chance of
snow late this afternoon. Scattered snow showers tonight through 
Thursday morning. Waves 2 to 4 feet. 

Superior East 11220 11120 12130 13820 11810. Scattered snow
showers tonight and Thursday morning. Waves 2 to 4 feet. 

$$

Kluber

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes

Forecast for Lake Michigan

000
FZUS63 KLOT 131443
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
843 AM CST Wed Dec 13 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan.

Waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.SYNOPSIS...Low pressure of 29.3 inches over southeast Minnesota 
will move to far southern Lake Michigan this afternoon and then to
the mid Atlantic coast Thursday morning. Low pressure will 
develop over Lake Superior Thursday evening and deepen to 29.6 
inches as it moves to Lake Huron Friday afternoon. A 30.1 inch 
high will strengthen to 30.2 inches as it crosses Ontario Friday 
night and Saturday. The high will merge with another high over the
southeast U.S. to form a high averaging 30.4 inches that will 
span the Atlantic Coast Saturday night. Another weak low is 
forecast to move across the lake early next week.

LMZ261-362-364-366-563-565-567-868-132215-
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and north of a line from Charlevoix MI to South
Fox Island 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
843 AM CST Wed Dec 13 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southeast winds to 30 kt becoming northeast. 
Snow. Waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft 
occasionally to 12 ft.
.TONIGHT...Northeast winds to 30 kt becoming northwest 15 to 25 
kt late. Chance of snow. Waves 6 to 9 ft occasionally to 12 ft. 
.THURSDAY...Northwest winds 15 to 25 kt becoming west 10 to
20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft. 
.THURSDAY NIGHT...West winds 10 to 20 kt. Chance of snow. Waves
2 to 4 ft. 
.FRIDAY...West winds 15 to 25 kt becoming northwest to 30 kt.
Chance of snow. Waves 4 to 6 ft occasionally to 8 ft. 
.FRIDAY NIGHT...Northwest winds to 30 kt becoming north 15 to
25 kt. Chance of snow. Waves 4 to 7 ft occasionally to 9 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.SATURDAY...Northeast winds 10 to 20 kt veering to southeast
15 to 25 kt. Chance of snow. Waves 3 to 5 ft. 
.SUNDAY...South winds 15 to 25 kt becoming southwest. Chance of 
snow and rain. Waves 4 to 6 ft occasionally to 8 ft. 

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-132215-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
843 AM CST Wed Dec 13 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...South winds to 30 kt veering to northwest.
Occasional south gales to 35 kt this morning and northwest gales 
to 35 kt late this afternoon. Snow. Waves 4 to 6 ft occasionally 
to 8 ft building to 6 to 9 ft occasionally to 12 ft.
.TONIGHT...North winds to 30 kt easing to 15 to 25 kt late. 
Occasional gale gusts to 35 kt are possible early this evening. 
Snow likely. Waves 6 to 9 ft occasionally to 12 ft.
.THURSDAY...North winds 15 to 25 kt becoming northwest 10 to
20 kt. Chance of snow. Waves 4 to 7 ft occasionally to 9 ft
subsiding to 2 to 4 ft. 
.THURSDAY NIGHT...West winds 10 to 20 kt increasing to 15 to
25 kt. Chance of flurries in the evening...then chance of snow
overnight. Waves 3 to 5 ft. 
.FRIDAY...West winds to 30 kt. Chance of snow. Waves 4 to 7 ft
occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.
.FRIDAY NIGHT...Northwest winds to 30 kt subsiding to 10 to 20 kt
after midnight. Chance of snow. Waves 5 to 8 ft occasionally to 
10 ft subsiding to 4 to 7 ft occasionally to 9 ft. 
.SATURDAY...Northwest winds 10 to 20 kt becoming south 15 to 25 
kt. Waves 3 to 5 ft. 
.SUNDAY...Southwest winds 15 to 25 kt. Chance of rain and snow.
Waves 4 to 6 ft occasionally to 8 ft.  

$$
LMZ761-132215-
MAFOR 1316/
MICHIGAN NORTH 11347 11247 12147 12840 12730. Chance of snow 
showers tonight. Waves 4 to 7 feet occasionally to 9 feet building
to 6 to 9 feet occasionally to 12 feet today. Waves 6 to 9 feet 
occasionally to 12 feet tonight. Waves 4 to 7 feet occasionally to
9 feet Thursday morning. 


MICHIGAN SOUTH 11447 19457 11547 11747 19757 11847 19857 12847 
12837. Chance of snow Thursday morning. Waves 4 to 6 ft 
occasionally to 8 ft building to 6 to 9 feet today and continuing 
tonight. Waves 5 to 8 feet occasionally to 10 feet subsiding to 4 
to 7 feet occasionally to 9 feet Thursday morning.

$$

BMD

Experimental modernized open lake forecast is available online at
weather.gov/lot/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes
Forecast for Lake Huron

000
FZUS63 KDTX 131501
GLFLH 

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
1001 AM EST Wed Dec 13 2017

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A weak surface ridge will bring a brief increase in 
pressure up to 29.90 inches this afternoon before a second clipper 
system, averaging 29.60 inches, drops south of Michigan Wednesday 
into Thursday.

LHZ361-132115-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
1001 AM EST Wed Dec 13 2017

.REST OF TODAY...Northeast winds 5 to 10 knots increasing to
10 to 15 knots late in the afternoon. Waves 2 feet or less. 
.TONIGHT...North winds 10 to 15 knots. A chance of snow in the
evening. Waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet. 
.FRIDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots late in the afternoon. A chance of snow showers. Waves
1 to 3 feet. 
.SATURDAY...North winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots early in the evening becoming south 10 to 15 knots. A
chance of snow showers in the evening. Waves 1 to 3 feet. 
.SUNDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots. A chance of snow showers. Waves 1 to 3 feet. 


$$

LHZ362-363-132115-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
1001 AM EST Wed Dec 13 2017

.REST OF TODAY...North winds 5 to 10 knots late in the morning
becoming light and variable...then becoming northeast 5 to
10 knots late in the afternoon. A chance of snow. Waves 3 to
5 feet subsiding to 1 to 3 feet late in the afternoon. 
.TONIGHT...Northeast winds 10 to 15 knots becoming north 15 to
20 knots in the late evening and overnight. A chance of snow
early in the evening...then snow likely late in the evening. A
chance of snow showers after midnight. Waves 1 to 3 feet building
to 4 to 6 feet in the late evening and overnight. Waves
occasionally around 8 feet. 
.THURSDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Waves 4 to 6 feet. 
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 3 to 5 feet.
Waves occasionally around 8 feet. 
.FRIDAY...Southwest winds 15 to 20 knots veering to the west late
in the evening. Snow showers likely until late afternoon...then a
chance of snow showers. Waves 3 to 5 feet. 
.SATURDAY...Northwest winds 15 to 20 knots becoming east early in
the evening...then becoming south 10 to 15 knots in the late
evening and early morning. A chance of snow showers early in the
morning. Waves 3 to 5 feet. 
.SUNDAY...Southwest winds 15 to 20 knots. Showers likely early in
the afternoon. A chance of snow showers. A chance of showers
early in the evening. Waves 1 to 3 feet building to 3 to 5 feet. 


$$

LHZ462>464-132115-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
1001 AM EST Wed Dec 13 2017

.REST OF TODAY...Southwest winds 5 to 10 knots in the late
morning and early afternoon becoming light and variable. A chance
of snow late in the morning...then snow likely in the afternoon.
Waves 3 to 5 feet subsiding to 2 to 4 feet late in the afternoon.
.TONIGHT...Northeast winds 5 to 10 knots becoming north 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. Snow. Waves 1 to 3 feet building to 4 to 6 feet in the
late evening and overnight. Waves occasionally around 8 feet. 
.THURSDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. A chance of snow showers until
late afternoon. Waves 4 to 6 feet. 
.THURSDAY NIGHT...West winds 10 to 15 knots becoming southwest
15 to 20 knots in the late evening and early morning...then
decreasing to 10 to 15 knots after midnight. Waves 3 to 5 feet.
Waves occasionally around 8 feet. 
.FRIDAY...West winds 15 to 20 knots. Gusts to 30 knots late in
the afternoon. A chance of snow showers in the morning. Snow
showers likely late in the morning...then a chance of snow
showers early in the evening. Waves 3 to 5 feet. 
.SATURDAY...West winds 15 to 20 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
southwest early in the evening becoming south 10 to 15 knots in
the late evening and early morning. A chance of snow showers
early in the morning. Waves 3 to 5 feet. 
.SUNDAY...Southwest winds 15 to 20 knots. A chance of rain and
snow showers. Waves 1 to 3 feet building to 3 to 5 feet. 


$$

LHZ461-132115-
MAFOR 1316/
HURON NORTH 12100 12110 13810 11710. A chance of snow tonight.
Waves 1 to 3 feet this afternoon and tonight. Waves 2 to 4 feet
Thursday morning. 220101. 

HURON SOUTH 11600 11700 11117 11127 11827 12820 11720. A
chance of snow this afternoon. A chance of snow showers Thursday
morning. Waves 2 to 4 feet this afternoon. Waves 2 to 4 feet
building to 4 to 6 feet. Occasional wave height around 8 feet
tonight. Waves 4 to 6 feet. Occasional wave height around 8 feet
Thursday morning. 220204. 

$$

JVC

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)
Forecast for Lake Erie

000
FZUS61 KCLE 131428
GLFLE 

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
928 AM EST Wed Dec 13 2017

For waters beyond five nautical miles of shore on Lake Erie

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...Low pressure 29.40 inches over the Upper Midwest will
track south of Lake Erie tonight and move off the Mid Atlantic
Coast by daybreak Thursday. High pressure 30.10 inches will track
across the Lower Great Lakes Thursday and move off the Mid
Atlantic Coast Friday. This will allow low pressure 29.70 inches
to track across Northern Lake Huron, with a weak cold front
pushing across Lake Erie.

LEZ162>164-132115-
Lake Erie open waters from Maumee Bay to Reno Beach OH-
Lake Erie open waters from Reno Beach to The Islands OH-
Lake Erie open waters from The Islands to Vermilion OH-
928 AM EST Wed Dec 13 2017

.TODAY...West winds 15 to 20 knots becoming south. A chance of
snow early, then snow from late morning on. Waves 1 to 3 feet. 
.TONIGHT...Southeast winds 15 to 20 knots becoming north. Snow in
the evening, then a chance of snow after midnight. Waves 1 to
3 feet building to 3 to 5 feet. 
.THURSDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.THURSDAY NIGHT...Northwest winds 5 to 15 knots becoming
southwest. Waves 1 to 2 feet. 
.FRIDAY...Southwest winds 15 to 25 knots becoming west. A chance
of snow showers during the day. Waves 1 to 3 feet building to
2 to 4 feet. 
.SATURDAY...West winds 15 to 20 knots becoming southwest. Waves
2 to 4 feet subsiding to 1 to 3 feet. 
.SUNDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Snow and rain showers likely during the day, then a
chance of snow showers Sunday night. Waves 1 to 3 feet. 

$$

LEZ061-165>169-132115-
Lake Erie open waters from Ripley to Buffalo NY-
Lake Erie open waters from Vermilion to Avon Point OH-
Lake Erie open waters from Avon Point to Willowick OH-
Lake Erie open waters from Willowick to Geneva-on-the-Lake OH-
Lake Erie open waters from Geneva-on-the-Lake to Conneaut OH-
Lake Erie open waters from Conneaut OH to Ripley NY-
928 AM EST Wed Dec 13 2017

.TODAY...Northwest winds to 30 knots becoming southwest and
diminishing to 15 to 20 knots. Snow this afternoon. Waves 5 to 9 
feet subsiding to 3 to 5 feet. 
.TONIGHT...South winds 15 to 20 knots becoming north. Snow
through the early overnight, then a chance of snow late. Waves
2 to 4 feet building to 3 to 5 feet. 
.THURSDAY...North winds 15 to 20 knots becoming west 10 to
15 knots. A chance of snow showers in the afternoon. Waves 2 to
4 feet. 
.THURSDAY NIGHT...West winds 10 to 15 knots. A chance of snow
showers. Waves 2 to 4 feet. 
.FRIDAY...West winds 15 to 20 knots increasing to 30 knots. Snow
showers likely. Waves 3 to 5 feet building to 4 to 7 feet. 
.SATURDAY...West winds 15 to 25 knots becoming south. A chance of
snow showers during the day. Waves 4 to 7 feet subsiding to 2 to
4 feet. 
.SUNDAY...Southwest winds 15 to 20 knots becoming west. A chance
of snow and rain showers during the day, then a chance of snow
showers Sunday night. Waves 2 to 4 feet building to 3 to 5 feet. 

$$

LEZ161-132115-
MAFOR 1316/
ERIE WEST 1/3 11517 12427 11327 11120 11820 11810 11710. A chance
of snow overnight. Waves 1 to 3 feet building to 2 to 4 feet this
afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight.
Waves 2 to 4 feet Thursday morning. 

ERIE CENTRAL 1/3 12527 11427 11327 11127 13820. A chance of snow
overnight. Waves 3 to 6 feet subsiding to 2 to 4 feet this
afternoon. Waves 2 to 4 feet building to 3 to 5 feet tonight.
Waves 2 to 4 feet Thursday morning. 

ERIE EAST 1/3 11620 11617 11517 11317 11107 12810 11710. A chance
of snow overnight. Waves 4 to 7 feet subsiding to 3 to 5 feet.
Waves occasionally around 9 feet this afternoon. Waves 2 to 4
feet tonight and Thursday morning. 

$$
Forecast for Lake Ontario

000
FZUS61 KBUF 131829
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
129 PM EST Wed Dec 13 2017

For waters beyond five nautical miles of shore on Lake Ontario

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A weak 29.4 inch low will move across northern Ohio
and into Pennsylvania tonight before moving off the southern New
England coast Thursday. A 30.1 inch high will then build into the
Ohio Valley Thursday night before moving off the Mid Atlantic
coast Friday. A 29.6 inch low will then move from near Lake Huron
Friday to New England by Saturday. 

LOZ062-132215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
129 PM EST Wed Dec 13 2017

.THIS AFTERNOON...Northwest winds 15 to 25 knots. A chance of snow
showers. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves
occasionally around 9 feet. 
.TONIGHT...Northwest winds 10 to 15 knots becoming north 15 to
20 knots. A chance of snow showers early, then snow likely late
in the evening. A chance of snow showers after midnight. Waves
2 to 4 feet. 
.THURSDAY...North winds 15 to 20 knots becoming west. A chance of
snow showers in the afternoon. Waves 3 to 5 feet. 
.THURSDAY NIGHT...West winds 15 to 20 knots. A chance of snow
showers. Waves 3 to 5 feet. 
.FRIDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers likely. Waves 3 to 6 feet building to 5 to
8 feet. Waves occasionally around 10 feet. 
.SATURDAY...Northwest winds to 30 knots becoming northeast and
diminishing to less than 10 knots. A chance of snow showers
during the day. Waves 5 to 8 feet subsiding to 2 feet or less.
Waves occasionally around 10 feet. 
.SUNDAY...South winds 15 to 20 knots becoming west. A chance of
snow and rain showers during the day, then a chance of snow
showers Sunday night. Waves 2 to 4 feet building to 3 to 6 feet. 

$$

LOZ063>065-132215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
129 PM EST Wed Dec 13 2017

.THIS AFTERNOON...Northwest winds 15 to 25 knots. A chance of snow
showers. Waves 6 to 9 feet. Waves occasionally around 11 feet. 
.TONIGHT...Northwest winds 15 to 20 knots becoming north. A
chance of snow showers early, then snow likely late in the
evening. A chance of snow showers after midnight. Waves 4 to
7 feet subsiding to 2 to 4 feet. Waves occasionally around
9 feet. 
.THURSDAY...North winds 15 to 25 knots becoming northwest. A
chance of snow showers in the morning, then snow showers likely
in the afternoon. Waves 3 to 5 feet building to 4 to 7 feet.
Waves occasionally around 9 feet. 
.THURSDAY NIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots. Lake effect snow showers. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet. 
.FRIDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers. Waves 3 to 5 feet building to 6 to
9 feet. Waves occasionally around 11 feet. 
.SATURDAY...Northwest winds to 30 knots becoming north and
diminishing to 5 to 15 knots. Lake effect snow showers likely
during the day. Waves 5 to 9 feet subsiding to 1 to 3 feet. Waves
occasionally around 11 feet. 
.SUNDAY...South winds 15 to 25 knots becoming west. A chance of
snow and rain showers during the day, then a chance of snow
showers Sunday night. Waves 2 to 4 feet building to 3 to 6 feet. 

$$

LOZ061-132215-
MAFOR 1316/
ONTARIO WEST 1/2 12730 11720 12810 12820 11710. A chance of snow
showers this evening. Waves 5 to 8 feet this afternoon. Waves 3
to 5 feet subsiding to 2 to 4 feet tonight. Waves 3 to 5 feet
Thursday morning. 

ONTARIO EAST 1/2 11740 11730 11720 11717 11817 12820 11710. A
chance of snow showers this afternoon and Thursday morning. Waves
5 to 9 feet this afternoon. Waves 4 to 7 feet subsiding to 2 to 4
feet tonight. Waves 3 to 5 feet Thursday morning. 

$$

APFFEL/HITCHCOCK