National Weather Service Marquette MI
9:56 AM Sunday June 25.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, a 29.9 inch trough will linger over the upper great lakes through monday. the trough will dissipate as a 30.2 inch high pressure over the northern plains monday morning moves over the ohio valley tuesday and off the east coast on wednesday. a 29.4 inch low pressure over southeast manitoba wednesday morning will reach james bay thursday, with a 29.8 inch trough extending back to a 29.5 inch low pressure over the central plains.