National Weather Service Marquette MI
3:54 PM Friday October 20.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a 29.1 inch low pressure over the canadian prairies will track toward western hudson bay this weekend, passing a 29.7 inch trough across lake superior saturday night. weak ridging of 30.0 inches will track eastward across lake superior late sunday ahead of a 29.7 inch trough that will cross lake superior monday night. ridging will build to 30.1 tuesday into wednesday.