Synopsis for Lake Superior
.SYNOPSIS...A 29.7 INCH TROUGH WILL CROSS THE UPPER GREAT LAKES THIS
AFTERNOON. A SECONDARY 29.9 INCH TROUGH WILL THEN CROSS LAKE
SUPERIOR THURSDAY NIGHT. 30.2 INCH HIGH PRESSURE WILL SETTLE OVER THE
GREAT LAKES FRIDAY THROUGH SATURDAY. A LOW PRESSURE TROUGH OF 29.9
INCHES OVER THE NORTHERN PLAINS ON SATURDAY WILL MOVE EASTWARD ACROSS
THE UPPER GREAT LAKES ON SUNDAY.

Synopsis for Lake Michigan
.SYNOPSIS...HIGH PRESSURE AROUND 30.3 INCHES CENTERED OVER THE MID
ATLANTIC COAST WILL CONTINUE TO VERY SLOWLY SLIDE EAST OFF THE
COAST WHILE RIDGING EXTENDS SOUTHWEST THROUGH THE LOWER
MISSISSIPPI VALLEY. MEANWHILE...LOW PRESSURE OF 29.5 INCHES OVER
SOUTHERN MANITOBA WILL GRADUALLY TRACK TO WESTERN QUEBEC BY
THURSDAY MORNING. AN ASSOCIATED COLD FRONT WILL THEN SWEEP ACROSS
LAKE MICHIGAN WEDNESDAY NIGHT. ANOTHER HIGH AROUND 30.2 INCHES IS
THEN FORECAST TO BUILD OVER THE WESTERN LAKES REGION BY FRIDAY
EVENING.

Synopsis for Lake Huron
.SYNOPSIS...A LOW PRESSURE SYSTEM AROUND...29.60 INCHES...WILL
TRACK NORTH OF LAKE SUPERIOR AND INTO NORTHERN QUEBEC TODAY. THIS
LOW WILL DRAG A COLD FRONT ACROSS SOUTHEAST MICHIGAN AND THE EASTERN
GREAT LAKES TODAY. SURFACE HIGH PRESSURE AT...30.20 INCHES...WILL
BUILD INTO THE GREAT LAKES REGION FOR FRIDAY AND SATURDAY.

Synopsis for Lake Erie
.SYNOPSIS...HIGH PRESSURE 30.20 INCHES OVER THE EASTERN GREAT
LAKES WILL MOVE OFF THE MID ATLANTIC COAST BY WEDNESDAY. LOW
PRESSURE OF 29.80 INCHES WILL MOVE ACROSS THE UPPER GREAT LAKES ON
WEDNESDAY NIGHT WITH THE ASSOCIATED COLD FRONT SINKING SOUTH ACROSS
LAKE ERIE ON THURSDAY. HIGH PRESSURE 30.10 INCHES WILL BUILD OVER
THE LAKE LATE FRIDAY THROUGH SATURDAY.

Synopsis for Lake Ontario
.SYNOPSIS...A 30.3 INCH HIGH CENTERED OFF THE MID ATLANTIC COAST
WILL REMAIN IN PLACE THROUGH THURSDAY. A WEAK COLD FRONT WILL 
THEN CROSS THE LAKE LATE THURSDAY NIGHT. A 30.2 INCH HIGH IS THEN
FORECAST TO BUILD INTO THE WESTERN GREAT LAKES FRIDAY BEFORE
DRIFTING TO THE EASTERN LAKES AND NEW ENGLAND SATURDAY.