Synopsis for Lake Superior
.SYNOPSIS...A 30.7 INCH HIGH PRESSURE SYSTEM CENTERED OVER CAPE COD
THIS MORNING WILL MOVE OFF INTO THE ATLANTIC BY THIS AFTERNOON. A
29.8 INCH LOW PRESSURE TROUGH SWINGING SOUTHEAST ACROSS CENTRAL
CANADA WILL SWEEP ACROSS LAKE SUPERIOR THIS AFTERNOON INTO TONIGHT.
HIGH PRESSURE OF 30.5 INCHES BUILDING ACROSS THE NORTHERN PLAINS
TONIGHT WILL SHIFT EAST...PASSING ACROSS THE WESTERN GREAT LAKES AND
OHIO VALLEY MONDAY AND MONDAY NIGHT. AS THE HIGH REACHES THE EAST
COAST TUESDAY...A 29.7 INCH LOW PRESSURE WILL TRACK EAST ACROSS THE
CENTRAL PLAINS TO THE SOUTH OF A 29.5 INCH LOW MOVING INTO FAR
NORTHERN ONTARIO. THE PLAINS LOW WILL REACH THE LOWER GREAT LAKES
WEDNESDAY MORNING WHILE THE NORTHERN LOW MOVES TO JAMES BAY. BEHIND
THESE LOWS...HIGH PRESSURE OF 30.4 INCHES WILL BUILD INTO THE WESTERN
PLAINS.

Synopsis for Lake Michigan
.SYNOPSIS...
HIGH PRESSURE OF 30.6 INCHES WAS LOCATED ALONG THE EAST COAST THIS
MORNING...WITH RIDGING OF 30.5 INCHES EXTENDING BACK ACROSS THE
SOUTHERN LAKES. THE HIGH WILL MOVE OFF THE ATLANTIC COAST BY THIS
EVENING...WHILE A COLD FRONT CROSSES LAKE MICHIGAN. HIGH PRESSURE
OF 30.6 INCHES WILL THEN SPREAD FROM THE CENTRAL PLAINS INTO THE
SOUTHERN GREAT LAKES ON MONDAY. THE HIGH WILL CONTINUE TO MOVE
EAST MONDAY NIGHT AS LOW PRESSURE OF 29.5 INCHES DEVELOPS OVER THE
PLAINS. THE LOW WILL CROSS LAKE MICHIGAN BY TUESDAY EVENING WHILE
DEEPENING TO 29.4 INCHES...AND WILL CONTINUE INTO NORTHEAST CANADA
ON WEDNESDAY AS HIGH PRESSURE OF 30.5 INCHES SPREADS ACROSS THE
PLAINS.

Synopsis for Lake Huron
.SYNOPSIS...HIGH PRESSURE OF 30.90 INCHES WILL MIGRATE TO THE 
EAST COAST TODAY AS A WEAK LOW PRESSURE SYSTEM SLIDES THROUGH THE 
OHIO VALLEY. A COLD FRONT WILL THEN GRAZE LAKE HURON EARLY MONDAY 
BEFORE ANOTHER HIGH PRESSURE SYSTEM BUILDS INTO THE AREA BY MONDAY 
NIGHT.

Synopsis for Lake Erie
.SYNOPSIS...A WAVE OF LOW PRESSURE...30.20 INCHES...WILL MOVE
NORTHEAST THROUGH THE OHIO VALLEY TODAY. A WEAK COLD FRONT WILL
DROP SOUTH ACROSS THE GREAT LAKES TONIGHT. HIGH PRESSURE 30.50
INCHES WILL MOVE ACROSS THE LAKE ON MONDAY. A WARM FRONT WILL
DEVELOP OVER THE OHIO VALLEY AND MOVE TOWARD LAKE ERIE ON TUESDAY AS
LOW PRESSURE OF 29.40 INCHES TRACKS THROUGH THE CENTRAL GREAT
LAKES. THE ASSOCIATED COLD FRONT WILL PUSH BACK SOUTH ON TUESDAY
NIGHT.

Synopsis for Lake Ontario
.SYNOPSIS...A WEAK WAVE OF LOW PRESSURE WILL THEN MOVE THROUGH
THE LOWER LAKES TODAY BEFORE RAPIDLY DEEPENING INTO A 29.4 INCH
COASTAL LOW ON MONDAY NEAR NOVA SCOTIA. A 30.4 INCH HIGH WILL
BUILD FROM THE UPPER MIDWEST MONDAY TO THE LOWER LAKES MONDAY
NIGHT BEFORE REACHING NEW ENGLAND ON TUESDAY. A 29.2 INCH LOW IS
THEN FORECAST TO MOVE FROM LOWER MICHIGAN TUESDAY EVENING TO THE
SAINT LAWRENCE VALLEY WEDNESDAY WITH A TRAILING COLD FRONT
CROSSING THE LAKE EARLY WEDNESDAY MORNING. A STRONG 30.7 INCH HIGH
WILL THEN BUILD INTO THE GREAT LAKES AND OHIO VALLEY ON THURSDAY.