National Weather Service Marquette MI
4:04 PM Monday August 21.
occasional wave height is the
average of the highest 1/10 of the wave spectrum.
synopsis, 30.0 high pressure over northwestern lake superior
this evening will move across the upper great lakes tonight. low
pressure of 29.8 inches over the central plains will move through
northern lake huron by early tuesday. a 30.2 inch high pressure
extending from manitoba to nebraska tuesday night will move over
wisconsin thursday morning and remain over the great lakes through
friday and into saturday.