National Weather Service Marquette MI
3:43 AM Wednesday December 13.
occasional wave height is the
average of the highest 1/10 of the wave spectrum.
synopsis, a low pressure system of 29.5 inches over northern
minnesota this morning will move to southern lake michigan this
afternoon. a weak low pressure system of 30.0 inches will then
form near lake superior thursday and strengthen on friday as it
moves over lake huron to 29.6 inches by the evening. weak ridging
of 30.2 inches saturday will give way to another trough on sunday.