National Weather Service Marquette MI
3:43 AM Wednesday December 13.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a low pressure system of 29.5 inches over northern minnesota this morning will move to southern lake michigan this afternoon. a weak low pressure system of 30.0 inches will then form near lake superior thursday and strengthen on friday as it moves over lake huron to 29.6 inches by the evening. weak ridging of 30.2 inches saturday will give way to another trough on sunday.