National Weather Service Marquette MI
10:18 PM Monday December 11.
occasional wave height is the
average of the highest 1/10 of the wave spectrum.
synopsis, a low pressure system of 29.7 inches near sault sainte
marie will track southeast over lake huron overnight as a high
pressure system of 30.2 inches moves through ontario on tuesday.
a secondary low of 29.7 inches will then move into the lower great
lakes on wednesday. several weak low pressure will then form over
the western great lakes thursday and friday before a stronger low
of 29.5 inches approaches the area on saturday.