National Weather Service Marquette MI
9:58 AM Monday December 18.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, late today into tuesday, a 29.5 inch trough will move through the upper great lakes. a high of 30.2 inches over the central plains will follow on wednesday before a strengthening low pressure of 29.5 inches tracks out of the rockies and into the plains on thursday. the 29.5 low is expected to track northeast across the lower peninsula through friday and then cross lake huron on friday night.