National Weather Service Detroit/Pontiac MI
3:40 PM Monday April 23.
occasional wave height is the average of
the highest 1/10 of the wave spectrum.
synopsis, ridge of high pressure, 30.20 inches, extending over
the northern great lakes will begin to retreat eastward tonight
as a weak cold front approaches lake superior from the north.
rain showers will spread over the region ahead of the front
before it moves through lake huron and lower michigan tuesday
night and early wednesday. the front will be followed briefly by
high pressure, 29.90 inches, thursday before the next cold front