National Weather Service Marquette MI
10:01 AM Friday February 23.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a 30.1 inch area of low pressure from the central plains will lift northeast across lake superior today. a weak ridge of 30.3 inches will cross lake superior on saturday. a 29.0 inch low will cross the great lakes saturday night through sunday. a 30.0 inch ridge will then build into the upper great lakes on monday as a 29.5 inch low moves across southern saskatchewan. by tuesday morning, a 29.8 inch low will move into western ontario as a 30.3 inch high pressure moves over the eastern great lakes.