National Weather Service Marquette MI
4:46 PM Sunday February 18.
NATIONAL WEATHER SERVICE MARQUETTE MI
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
synopsis, a trough of 29.7 inches will move into the upper
great lakes this evening and weaken to 29.9 inches late tonight,
and a 30.5 inch high pressure will then move across northern
ontario monday. secondary troughing of 29.8 inches will push
northeastward into the western great lakes into tuesday morning
and remain in the area through wednesday morning. a high pressure
system of 30.6 inches will reach the great lakes wednesday
afternoon and slowly shift into southern quebec through the day