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.