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.