Synopsis for Lake Superior
.SYNOPSIS...Weak high pressure of 30.1 inches will set up over 
the western Great Lakes today. A weak low pressure trough of 30.0 
inches will then drop south across Lake Superior late tonight and 
Wednesday morning. As the trough dissipates Wednesday, high 
pressure of 30.2 inches will build over the Great Lakes region. 
The high will drift toward the Mid-Atlantic States on Thursday as 
one low pressure trough of 29.7 inches drops across far northern 
Ontario and a second trough of 29.7 inches emerges over the 
western Plains. Both troughs will move closer to the Upper Great 
Lakes on Friday, then converge over the Upper Great Lakes on 
Saturday.

Synopsis for Lake Michigan
.SYNOPSIS...Low pressure of 30.0 inches will move across the 
eastern Great Lakes tonight. High pressure of 30.1 inches will 
build over the western Great Lakes today and shift to the eastern 
lakes by Thursday then to the mid Atlantic Coast Thursday night. 
Low pressure of 29.6 inches will move from Manitoba Thursday night
into the Upper Midwest Saturday night while it fills.

Synopsis for Lake Huron
.SYNOPSIS...Low pressure, 30.00 inches, will move from southern
Lower Michigan this morning to Lake Erie this afternoon. High
pressure, 30.10 inches, will then push into Lower Michigan from
the west tonight. This high will expand across the Great Lakes
region by Wednesday, strengthening to 30.20 inches. This high
will gradually drift off to the Mid Atlantic Thursday into
Friday. A slow moving front is then forecast to push into the
region from the north on Saturday.

Synopsis for Lake Erie
.SYNOPSIS...A weak low pressure system 29.90 inches near western
Lake Erie will move east today dragging a weak cold front across
the lake. High pressure 30.20 inches will move east across the 
lake Wednesday into Thursday and move off the east coast on 
Friday. A warm front will develop over the midwest and move north
near Lake Erie by Saturday.

Synopsis for Lake Ontario
.SYNOPSIS... 
A weak 30.0 inch low will move across New York State today. A 
30.1 inch high will then build into the Great Lakes Wednesday and 
Thursday before drifting off the southern New England coast 
Friday.