Forecast for Lake Superior

000
FZUS63 KMQT 210154
GLFLS 

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
954 PM EDT Wed Jun 20 2018

For waters beyond 5 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 30.0 inch high pressure ridge near James Bay will 
build southward into the northern Great Lakes by Thursday morning 
and will remain nearly stationary before drifting to Lake Huron 
late Thursday night and then eastward into southeastern Ontario 
Friday morning. A 29.6 inch low will slowly move northeastward 
across Illinois Friday and be located over Lake Erie by Saturday 
evening. As the low moves to New England Sunday afternoon, a 30.2 
inch high pressure ridge will build over the Upper Great Lakes 
Monday morning and drifts southeastward across lower Michigan 
Monday evening.

LSZ162-211000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
954 PM EDT Wed Jun 20 2018 /854 PM CDT Wed Jun 20 2018/

.REST OF TONIGHT...Northeast winds 5 to 15 knots. Waves 2 to
4 feet subsiding to calm to 2 feet. 
.THURSDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet. 
.THURSDAY NIGHT...Northeast winds less than 10 knots backing
north after midnight, then backing west late. Waves calm to
2 feet. 
.FRIDAY...Southwest winds less than 10 knots backing south by mid
afternoon. Waves calm to 2 feet. 
.FRIDAY NIGHT...East winds less than 10 knots backing northeast
after midnight. Waves calm to 2 feet. 
.SATURDAY...East winds less than 10 knots. Waves calm to 2 feet. 
.SATURDAY NIGHT...Northeast winds 5 to 15 knots. A chance of
showers. Waves building to 1 to 3 feet. 
.SUNDAY...East winds 5 to 15 knots backing northeast. Waves
subsiding to calm to 2 feet. 
.MONDAY...East winds less than 10 knots becoming southwest 5 to
15 knots. Waves calm to 2 feet. 

$$

LSZ263-211000-
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 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...Northeast winds 5 to 15 knots. Waves calm to
2 feet. 
.THURSDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet. 
.THURSDAY NIGHT...East winds 5 to 15 knots becoming southeast
less than 10 knots after midnight, then veering south late. Waves
calm to 2 feet. 
.FRIDAY...Southwest winds less than 10 knots. Waves calm to
2 feet. 
.FRIDAY NIGHT...East winds less than 10 knots. Waves calm to
2 feet. 
.SATURDAY...East winds less than 10 knots backing northeast by
mid afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...Northeast winds 5 to 15 knots. A chance of
showers. Waves building to 1 to 3 feet. 
.SUNDAY...Northeast winds 5 to 15 knots backing west. Waves
subsiding to calm to 2 feet. 
.MONDAY...South winds 5 to 15 knots veering southwest. Waves calm
to 2 feet. 

$$

LSZ264-211000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
954 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...Northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight, then veering east late. Waves 1 to
3 feet subsiding to calm to 2 feet. 
.THURSDAY...East winds 5 to 15 knots. Waves calm to 2 feet. 
.THURSDAY NIGHT...Southeast winds 5 to 15 knots veering south
after midnight. Waves calm to 2 feet. 
.FRIDAY...South winds 5 to 15 knots backing southeast by mid
afternoon. Waves calm to 2 feet. 
.FRIDAY NIGHT...Southeast winds 5 to 15 knots. Waves calm to
2 feet. 
.SATURDAY...Southeast winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...Northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. A chance of showers. Waves
building to 2 to 4 feet. 
.SUNDAY...Northeast winds 5 to 15 knots backing northwest. Waves
subsiding to calm to 2 feet. 
.MONDAY...South winds 5 to 15 knots becoming southwest 10 to
20 knots. Waves calm to 2 feet. 

$$

LSZ265-211000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
954 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...Northeast winds 5 to 15 knots veering east
after midnight, then backing northeast late. Waves 1 to 3 feet
subsiding to calm to 2 feet. 
.THURSDAY...East winds 5 to 15 knots. Waves calm to 2 feet. 
.THURSDAY NIGHT...Southeast winds 5 to 15 knots veering south
late. Waves calm to 2 feet. 
.FRIDAY...Southeast winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. Waves calm to 2 feet. 
.FRIDAY NIGHT...Southeast winds 5 to 15 knots. Waves calm to
2 feet. 
.SATURDAY...Southeast winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...Northeast winds 5 to 15 knots backing north
after midnight. Waves building to 2 to 4 feet. 
.SUNDAY...North winds 5 to 15 knots. Waves subsiding to calm to
2 feet. 
.MONDAY...East winds 5 to 15 knots becoming southwest 10 to
20 knots. Waves calm to 2 feet. 

$$

LSZ266-211000-
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 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...North winds 5 to 15 knots veering east late.
Waves 1 to 3 feet subsiding to calm to 2 feet. 
.THURSDAY...East winds 5 to 15 knots backing northeast late.
Waves calm to 2 feet. 
.THURSDAY NIGHT...East winds 5 to 15 knots veering south after
midnight. Waves calm to 2 feet. 
.FRIDAY...South winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet. 
.FRIDAY NIGHT...Southeast winds 5 to 15 knots. Waves calm to
2 feet. 
.SATURDAY...East winds 5 to 15 knots backing north by mid
afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...North winds 5 to 15 knots. Waves building to
2 to 4 feet. 
.SUNDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet. 
.MONDAY...South winds 5 to 15 knots increasing to 10 to 20 knots.
Waves calm to 2 feet. 

$$

LSZ267-211000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
954 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...North winds 5 to 15 knots veering northeast
after midnight, then increasing to 10 to 20 knots late. Waves
1 to 3 feet subsiding to calm to 2 feet. 
.THURSDAY...East winds 5 to 15 knots backing northeast in the
afternoon. Waves calm to 2 feet. 
.THURSDAY NIGHT...Northeast winds 5 to 15 knots veering south
after midnight. Waves calm to 2 feet. 
.FRIDAY...Southeast winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet. 
.FRIDAY NIGHT...East winds 5 to 15 knots. Waves calm to 2 feet. 
.SATURDAY...Northeast winds 5 to 15 knots backing north by mid
afternoon. Waves calm to 2 feet. 
.SATURDAY NIGHT...North winds 5 to 15 knots. Waves calm to
2 feet. 
.SUNDAY...North winds 10 to 20 knots becoming northeast 5 to
15 knots. Waves calm to 2 feet. 
.MONDAY...North winds 5 to 15 knots veering south. Waves calm to
2 feet. 

$$
LSZ261-211000-
MAFOR 2103/
Superior West 15110 11110 11100. Waves 1 to 2 feet. 

Superior North Central 11110 11210 14200 12300. Waves 1 to 3
feet. 

Superior South Central 13100 14200 11300. Waves 1 to 2 feet. 

Superior East 12110 12210 11200 13100. Waves 1 to 3 feet
overnight. Waves 2 feet or less Thursday and Thursday evening. 

$$

RJC

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 210108
GLFLM 

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Chicago/Romeoville IL
808 PM CDT Wed Jun 20 2018

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...A nearly stationary frontal boundary will remain
stretched west to east across central Illinois and Indiana through
Thursday. High pressure of 30.1 inches will extend from the far 
northern Great Plains to southeast Ontario through the end of the 
week. A 29.6 inch low over the Central Plains today will meander 
around the central Great Plains and Middle Mississippi Valley 
through Thursday, then drift from Missouri to the eastern Great 
Lakes Thursday night through Saturday night. High pressure of 30.2
inches will then build across the Great Lakes region Sunday night
through Monday.

LMZ261-362-364-366-563-565-567-868-210915-
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-
808 PM CDT Wed Jun 20 2018

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Variable winds 5 to 10 kt late this evening
becoming northeast 10 to 20 kt after midnight. Waves 1 to 3 ft.
.THURSDAY...Northeast winds 10 to 20 kt. Waves 2 to 4 ft. 
.THURSDAY NIGHT...Northeast winds 10 to 20 kt. Waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.FRIDAY...Northeast winds 10 to 20 kt. Waves 1 to 3 ft. 
.FRIDAY NIGHT...Northeast winds 10 to 20 kt. Waves 1 to 3 ft. 
.SATURDAY...Northeast winds 10 to 20 kt. Waves 1 to 3 ft. 
.SATURDAY NIGHT...Northeast winds 10 to 15 kt becoming north.
Waves 1 to 3 ft. 
.SUNDAY...North winds 5 to 10 kt increasing to 10 to 20 kt in the
afternoon. Waves 1 to 2 ft building to 2 to 4 ft. 
.MONDAY...Northeast winds 10 to 15 kt. Waves 1 to 3 ft subsiding
to 1 to 2 ft.  

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-210915-
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-
808 PM CDT Wed Jun 20 2018

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Northeast winds 10 to 15 kt becoming east
10 to 20 kt. Patchy fog far south. Waves 1 to 3 ft. 
.THURSDAY...East winds 10 to 20 kt becoming northeast. Showers
with a chance of thunderstorms far south. Otherwise, a chance of 
showers. Waves 1 to 3 ft.
.THURSDAY NIGHT...Northeast winds 15 to 25 kt becoming east to
30 kt. Showers likely with a chance of thunderstorms far south.
Otherwise, a chance of showers. Waves 2 to 4 ft building to 3 to 
5 ft. 
.FRIDAY...Northeast winds 15 to 25 kt. Showers likely with a
chance of thunderstorms far south. Otherwise, a chance of 
showers. Waves 3 to 5 ft. 
.FRIDAY NIGHT...Northeast winds 10 to 20 kt. Chance of showers
and thunderstorms in the evening. Waves 2 to 4 ft. 
.SATURDAY...North winds 10 to 20 kt. Waves 1 to 3 ft. 
.SATURDAY NIGHT...Northwest winds 10 to 15 kt becoming north.
Waves 1 to 3 ft. 
.SUNDAY...Northeast winds 5 to 10 kt becoming north 10 to 20 kt
in the afternoon. Waves 1 to 2 ft building to 2 to 4 ft. 
.MONDAY...Northeast winds 10 to 15 kt. Waves 2 to 4 ft subsiding
to 1 to 3 ft.  

$$
LMZ761-210915-
MAFOR 2103/
MICHIGAN NORTH 11900 19800 15120 11120. Waves 1 to 3 ft 
overnight. Waves 2 to 4 ft Thursday and Thursday evening. 

MICHIGAN SOUTH 11110 13220 11226 12120 11130. Patchy fog far south
this evening. Chance of showers late Thursday. Chance of showers 
Thursday evening. Waves 1 to 3 ft overnight. Waves 2 to 4 ft 
Thursday and Thursday evening.

$$

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 210150
GLFLH 

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
950 PM EDT Wed Jun 20 2018

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...High pressure, 30.00 inches, will remain in place 
over the central Great Lakes tonight while a frontal boundary 
remains stationary over the northern Ohio Valley. A secondary area
of surface high pressure then builds into the northern Great 
Lakes by the end of the week.

LHZ361-362-210830-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
950 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...West winds 5 to 10 knots veering to the north
after midnight. Waves 1 to 3 feet. 
.THURSDAY...Northeast winds 10 to 15 knots decreasing to 5 to
10 knots late in the afternoon. Waves 3 to 5 feet. 
.THURSDAY NIGHT...Light and variable winds becoming northeast
5 to 10 knots in the late evening and overnight. Waves 1 to
3 feet. 
.FRIDAY...Northeast winds 5 to 10 knots. Waves 2 feet or less. 
.FRIDAY NIGHT...East winds 5 to 10 knots. A chance of showers and
thunderstorms after midnight. Waves 1 to 3 feet. 
.SATURDAY...Northeast winds 5 to 10 knots. A chance of showers
and thunderstorms. Waves 1 to 3 feet. 
.SUNDAY...North winds 5 to 10 knots. Waves 1 to 3 feet. 
.MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
west until early morning. Waves 1 to 3 feet. 


$$

LHZ363-462>464-210830-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
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-
950 PM EDT Wed Jun 20 2018

.REST OF TONIGHT...Light and variable winds becoming north 5 to
10 knots early in the morning. Waves 2 feet or less. 
.THURSDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Waves 3 to 5 feet. 
.THURSDAY NIGHT...Northeast winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.FRIDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. A chance of showers in the
afternoon. Waves 2 feet or less. 
.FRIDAY NIGHT...East winds 10 to 15 knots. A chance of showers in
the evening. A chance of thunderstorms. Rain showers likely after
midnight. Waves 1 to 3 feet. 
.SATURDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots. Showers likely until late afternoon. A chance of
thunderstorms. A chance of showers. Waves 1 to 3 feet. 
.SUNDAY...North winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning. A chance of showers and
thunderstorms early in the morning. Waves 1 to 3 feet. 
.MONDAY...North winds 10 to 15 knots becoming light and variable.
Waves 1 to 3 feet. 


$$

LHZ461-210830-
MAFOR 2103/
HURON NORTH 11700 11100 14110 11800 11100. Waves 1 to 3 feet
overnight and Thursday. Waves 2 feet or less Thursday evening.
220103. 

HURON SOUTH 11700 11800 11110 13120 12110. Waves 2 feet or
less overnight. Waves 2 to 4 feet Thursday and Thursday evening.
220002. 

$$

BT

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 210156
GLFLE 

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
956 PM EDT Wed Jun 20 2018

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...A weak cold front will slowly drop south across the
central lakes late tonight and Lake Erie on Thursday as high 
pressure 30.00 inches builds east from the Great Lakes into New 
England by Friday. Low pressure 29.70 inches will track northeast 
across the southern lakes Saturday and Saturday night into New
England by Sunday. High pressure 30.20 inches will build south 
into the Great Lakes Sunday and Monday.

LEZ162-163-210815-
Lake Erie open waters from Maumee Bay to Reno Beach OH-
Lake Erie open waters from Reno Beach to The Islands OH-
956 PM EDT Wed Jun 20 2018

.OVERNIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less. 
.THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet. 
.THURSDAY NIGHT...East winds 15 to 20 knots. Waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.FRIDAY...East winds 15 to 20 knots. Showers likely with a chance
of thunderstorms in the morning, then showers likely in the
afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. 
.FRIDAY NIGHT...East winds 15 to 20 knots becoming southeast
10 to 15 knots. Showers in the evening, then showers likely
overnight. Waves 1 to 3 feet. 
.SATURDAY...South winds 10 to 15 knots becoming west. Showers
likely during the day. Waves 1 to 3 feet. 
.SUNDAY...Northwest winds 5 to 15 knots becoming northeast. A
chance of showers during the day. Waves 2 feet or less. 
.MONDAY...Northeast winds 5 to 15 knots becoming east. Waves
2 feet or less. 

Winds and waves higher in and near thunderstorms.

$$

LEZ061-164>169-210815-
Lake Erie open waters from Ripley to Buffalo NY-
Lake Erie open waters from The Islands to Vermilion OH-
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-
956 PM EDT Wed Jun 20 2018

.OVERNIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or
less. 
.THURSDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet. 
.THURSDAY NIGHT...Northeast winds 15 to 20 knots becoming east.
Waves 3 to 6 feet. 
.FRIDAY...East winds 15 to 20 knots. A chance of showers and
thunderstorms in the morning, then showers likely in the
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet. 
.FRIDAY NIGHT...Southeast winds 15 to 20 knots diminishing to
10 to 15 knots. Showers likely. Waves 2 to 4 feet subsiding to
1 to 3 feet. 
.SATURDAY...South winds 10 to 15 knots becoming west. Showers
likely during the day, then a chance of showers Saturday night.
Waves 1 to 3 feet. 
.SUNDAY...West winds 5 to 15 knots becoming north. Waves 1 to
3 feet. 
.MONDAY...Northeast winds 5 to 15 knots becoming east. Waves 1 to
3 feet. 

Winds and waves higher in and near thunderstorms.

$$

LEZ161-210815-
MAFOR 2103/
ERIE WEST 1/3 14100 11210 11120 12220. Waves 2 feet or less
overnight. Waves 1 to 3 feet building to 2 to 4 feet Thursday.
Waves 3 to 5 feet Thursday evening. 

ERIE CENTRAL 1/3 12800 12110 11210 12120 11220. Waves 2 feet or
less overnight. Waves 1 to 3 feet building to 2 to 4 feet
Thursday. Waves 3 to 5 feet Thursday evening. 

ERIE EAST 1/3 12800 14110 12120. Waves 1 foot or less overnight.
Waves 1 to 3 feet building to 2 to 4 feet Thursday. Waves 2 to 4
feet Thursday evening. 

$$

Forecast for Lake Ontario

000
FZUS61 KBUF 210222
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1022 PM EDT Wed Jun 20 2018

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 cold front will move south across the lake late tonight. 
Another 30.0 inch high north of the Upper Great Lakes Thursday 
morning will settle southeast across the lake Thursday afternoon 
and evening before moving off the New England coast by Friday 
morning. A broad 29.6 inch low over the Mid Western states Friday 
afternoon will cross Lake Erie Friday night, then will make its 
way over Lake Ontario on Saturday.

LOZ062-063-210915-
Lake Ontario open waters from the Niagara River to Sodus Bay-
1022 PM EDT Wed Jun 20 2018

.OVERNIGHT...Southwest winds 10 knots or less becoming
north 10 to 15 knots. Waves 2 feet or less. 
.THURSDAY...Northeast winds 15 to 20 knots becoming east 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 2 feet. 
.THURSDAY NIGHT...East winds 5 to 15 knots. Waves 1 to 3 feet. 
.FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots.
Waves 1 to 3 feet building to 2 to 4 feet. 
.FRIDAY NIGHT...East winds 5 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 3 feet. 
.SATURDAY...Southeast winds 5 to 15 knots becoming southwest.
Occasional showers with a chance of thunderstorms. Waves 2 feet
or less. 
.SUNDAY...Northwest winds 5 to 15 knots becoming north. Showers
likely with a chance of thunderstorms during the day, then
showers likely Sunday night. Waves 1 to 2 feet. 
.MONDAY...North winds 5 to 15 knots becoming northwest. A chance
of showers during the day. Waves 2 feet or less. 

Winds and waves higher in and near thunderstorms.

$$

LOZ064-065-210915-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
1022 PM EDT Wed Jun 20 2018

.OVERNIGHT...South winds less than 10 knots becoming north
10 to 15 knots. Waves 1 foot or less. 
.THURSDAY...Northeast winds 15 to 20 knots becoming north 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 2 feet. 
.THURSDAY NIGHT...North winds 5 to 15 knots becoming east. Waves
2 feet or less. 
.FRIDAY...East winds 5 to 10 knots. Waves 2 feet or less. 
.FRIDAY NIGHT...East winds 5 to 10 knots becoming southeast. A
chance of showers and thunderstorms. Waves 1 foot or less. 
.SATURDAY...Southeast winds 5 to 15 knots becoming southwest.
Occasional showers with a chance of thunderstorms. Waves 2 feet
or less. 
.SUNDAY...West winds 5 to 10 knots becoming north. Showers likely
with a chance of thunderstorms during the day, then showers
likely Sunday night. Waves 2 feet or less. 
.MONDAY...North winds 5 to 15 knots becoming west. A chance of
showers during the day. Waves 2 feet or less. 

Winds and waves higher in and near thunderstorms.

$$

LOZ061-210915-
MAFOR 2103/
ONTARIO WEST 1/2 11700 11810 12120 11110 11200 11300 11200. Waves
2 feet or less overnight. Waves 2 to 4 feet subsiding to 1 to 3
feet Thursday. Waves 2 feet or less Thursday evening. 

ONTARIO EAST 1/2 11500 11700 12120 11110 12800 11100. Waves 2
feet or less overnight. Waves 2 to 4 feet subsiding to 2 feet or
less Thursday. Waves 1 foot or less Thursday evening. 

$$

Hitchcock