National Weather Service Marquette MI
9:49 PM Friday December 15.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a 29.6 inch low over eastern ontario will move east through saturday. a high of 30.0 inches will slide southeast across northern ontario saturday and strengthen to 30.4 inches by saturday night just east of lake superior. the region will then be influenced by a weak high of 30.2 inches centered in the northern great plains sunday and monday before a 29.5 inch trough moves through the upper great lakes monday night and into tuesday. lake superior will be between systems wednesday as low pressure of 29.5 inches pushes out of the rockies and into the plains.