Expires:202505182200;;733335 FZUS53 KDTX 181348 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 948 AM EDT Sun May 18 2025 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-182200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 948 AM EDT Sun May 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .REST OF TODAY...Northwest winds 15 to 20 knots with gusts to 25 knots becoming north 10 to 15 knots in the afternoon. Cloudy with a slight chance of showers. Waves 1 to 3 feet. .TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots late. Mostly cloudy. Waves around 2 feet. .MONDAY...Northeast winds 15 to 25 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...Northeast winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and early morning, then increasing to 15 to 20 knots after midnight. Mostly clear. Waves 1 to 3 feet building to 2 to 4 feet after midnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$