Synopsis for Lake Superior
.SYNOPSIS...HIGH PRESSURE OF 30.2 INCHES CURRENTLY CENTERED OVER LAKE
WINNIPEG WILL MOVE OVER THE UPPER GREAT LAKES TONIGHT. THE HIGH WILL
WEAKEN TO 30.1 INCHES AS IT DRIFTS OVER THE OHIO VALLEY FRIDAY AND
MOVES OFF THE EAST COAST SATURDAY. A 29.5 INCH LOW PRESSURE SYSTEM
OVER SOUTHERN SASKATCHEWAN FRIDAY AFTERNOON WILL MOVE OVER THE UPPER
GREAT LAKES SATURDAY AFTERNOON AND NIGHT...AND REACH THE EASTERN
GREAT LAKES SUNDAY AFTERNOON.

Synopsis for Lake Michigan
.SYNOPSIS...LOW PRESSURE OF 29.6 INCHES LIES OVER QUEBEC WITH A
COLD FRONT EXTENDING SOUTHWEST ACROSS THE CENTRAL GREAT LAKES
INTO CENTRAL ILLINOIS. HIGH PRESSURE OF 30.3 INCHES LIES OVER THE
CANADIAN PRAIRIES. THE LOW WILL LIFT ACROSS THE CANADIAN MARITIMES
TODAY WHILE THE HIGH WILL BEGIN BUILDING OVER LAKE MICHIGAN BY
LATE TONIGHT...AND THEN MOVE TO THE SOUTH OF LAKE MICHIGAN BY
THURSDAY NIGHT. MEANWHILE...ANOTHER LOW OF 29.4 INCHES WILL MOVE
ACROSS THE CANADIAN PRAIRIES THURSDAY NIGHT...WEAKENING TO 29.7
INCHES SATURDAY AS IT MOVES ACROSS ONTARIO.

Synopsis for Lake Huron
.SYNOPSIS...SURFACE HIGH PRESSURE...AVERAGING 30.20 INCHES...WILL 
THEN BUILD INTO THE GREAT LAKES THROUGH THE REMAINDER OF THE WEEK.

Synopsis for Lake Erie
.SYNOPSIS...A COLD FRONT OVER LAKE ERIE WILL MOVE SOUTH OF THE OHIO
VALLEY BY THIS EVENING. HIGH PRESSURE 30.10 INCHES FROM CENTRAL
CANADA WILL MOVE TO NEAR LAKE ERIE BY FRIDAY AND THEN MOVE EAST OF
THE LAKE SATURDAY. A WARM FRONT WILL DEVELOP OVER THE LOWER OHIO
VALLEY AND MOVE TOWARD LAKE ERIE ON SATURDAY. A COLD FRONT WILL
DEVELOP OVER THE UPPER MIDWEST THIS WEEKEND AND DROP ACROSS LAKE
ERIE BY SUNDAY NIGHT. 

Synopsis for Lake Ontario
.SYNOPSIS...A 29.5 INCH LOW WILL PUSH NORTH OF THE GREAT LAKES
REGION AND SWING A COLD FRONT ACROSS THE LAKE ON WEDNESDAY.
FOLLOWING THIS FRONT...A 30.2 INCH HIGH WILL BUILD ACROSS THE
GREAT LAKES THURSDAY AND FRIDAY...THEN WILL SLIDE OFF THE EAST
COAST ON SATURDAY. THEN A 29.6 INCH LOW IS FORECAST TO TRACK INTO
THE GREAT LAKES REGION ON SUNDAY.