National Weather Service Marquette MI
10:15 PM Tuesday October 17.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a 29.9 inch ridge will shift east of the upper great lakes tonight. 29.1 inch low pressure will then track from central saskatchewan late tonight to southern hudson bay through thursday as a 30.3 inch high pressure remains nearly stationary across the mid atlantic states through saturday. another 30.0 inch ridge will briefly cross lake superior on thursday. 29.1 inch low pressure over the canadian prairies on friday will track to western hudson bay through sunday, passing a 29.7 inch trough across lake superior saturday evening.