National Weather Service Detroit/Pontiac MI
3:38 PM Thursday February 22.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, high pressure, 30.80 inches, will migrate from the northern great lakes eastward to new england tonight. low pressure of 30.00 inches will then track through the northern great lakes friday before another high pressure, 30.30 inches, builds back in from the west on saturday. yet another low pressure, around 29.00 inches, will lift northeast into the great lakes on sunday.