LMZ878 Expires:202412072215;;332551 Fzus63 Kmkx 071441 Glflm
open lake forecast for lake michigan national weather service milwaukee/sullivan wi 841 am cst Sat dec 7 2024
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered.
Synopsis..
high pressure around 30.4 inches will remain over the gulf coast states today into tonight, while low pressure deepens to 29.4 inches as it tracks from southern manitoba to northern lake superior this afternoon, then to far southeast ontario by Sunday morning. Expect southwest gales this afternoon and evening for the south half of the lake, with a gale warning in effect through this time period. Winds over the north half will be breezy, with isolated gales possible this morning into the early afternoon.
winds will diminish by Sunday morning, but modest south winds will develop late in the day and last through the night as low pressure around 29.5 inches approaches from the west. Low pressure will then move across lake superior on Monday and into james bay on Tuesday. A cold front will shift the winds to brisk westerly on Monday, with another shift to brisk northwest winds for Tuesday and Wednesday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-072215- lake michigan from michigan city in to st. Joseph mi 5 nm offshore to mid lake- lake michigan from sheboygan to port washington wi 5 nm offshore to mid lake- lake michigan from port washington to north point light wi 5 nm offshore to mid lake- lake michigan from north point light to wind point wi 5 nm offshore to mid lake- lake michigan from wind point wi to winthrop harbor il 5 nm offshore to mid lake- lake michigan from winthrop harbor to wilmette harbor il 5 nm offshore to mid lake- lake michigan from wilmette harbor il to michigan city in 5 nm offshore to mid lake- lake michigan from whitehall to pentwater mi 5 nm offshore to mid lake- lake michigan from grand haven to whitehall mi 5 nm offshore to mid lake- lake michigan from holland to grand haven mi 5 nm offshore to mid lake- lake michigan from south haven to holland mi 5 nm offshore to mid lake- lake michigan from st. Joseph to south haven mi 5 nm offshore to mid lake- 841 am cst Sat dec 7 2024
sheboygan wi to pentwater mi south...
.gale warning in effect from noon cst today through this evening...
Rest of today..Southwest winds 10 to 20 kt increasing to gales to 35 kt. Waves 3 to 5 ft building to 8 to 12 ft occasionally to 16 ft.
Tonight..Southwest gales to 35 kt becoming west late in the evening, then diminishing to 30 kt after midnight diminishing to 15 to 25 kt late. Waves 8 to 12 ft occasionally to 16 ft subsiding to 5 to 8 ft occasionally to 10 ft.

Grand Rapids/Muskegon, MI,

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