FZUS53 KDTX 130750 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 350 AM EDT Wed May 13 2026 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. LHZ422-131600- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 350 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots with gusts to 30 knots. Mostly cloudy. A slight chance of showers in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots early in the evening. Mostly cloudy with a slight chance of showers early in the evening, then partly cloudy in the late evening and overnight. Waves 2 to 4 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming north 15 to 20 knots in the late morning and early afternoon, then becoming northeast 10 to 15 knots early in the afternoon. Sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...East winds 10 to 15 knots becoming southeast 5 to 10 knots in the late evening and early morning, then veering to the south after midnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-131600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 350 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...West winds 20 to 25 knots. Gusts to 30 knots early in the morning. Mostly cloudy. A slight chance of showers in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...Northwest winds 15 to 20 knots increasing to 20 to 25 knots after midnight. Mostly cloudy with a chance of showers early in the evening, then partly cloudy in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming north 15 to 20 knots in the late morning and early afternoon, then becoming northeast 10 to 15 knots early in the afternoon. Sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming southeast 5 to 10 knots in the late evening and early morning, then veering to the southwest after midnight. Clear until early morning becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-131600- Port Austin to Harbor Beach MI- 350 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...West winds 15 to 20 knots with gusts to 25 knots. Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TONIGHT...Northwest winds 15 to 20 knots. Mostly cloudy. A chance of showers early in the evening, then a slight chance of showers in the late evening and early morning. Waves 5 to 7 feet. Waves occasionally around 10 feet. .THURSDAY...North winds 15 to 20 knots. Sunny. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY NIGHT...North winds 10 to 15 knots early in the evening becoming light and variable. Mostly clear. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-131600- Harbor Beach to Port Sanilac MI- 350 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...West winds 15 to 20 knots with gusts to 25 knots. Mostly cloudy. A chance of showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and early afternoon, then building to 3 to 5 feet late in the afternoon. Waves occasionally around 7 feet. .TONIGHT...Northwest winds 15 to 20 knots. Mostly cloudy. A chance of showers early in the evening, then a slight chance of showers in the late evening and early morning. Waves 4 to 6 feet. Waves occasionally around 7 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming north 15 to 20 knots in the late morning and afternoon. Mostly sunny. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and early morning, then becoming light and variable after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-131600- Port Sanilac to Port Huron MI- 350 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TODAY...West winds 15 to 20 knots with gusts to 25 knots. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northwest winds 15 to 20 knots. Cloudy. A chance of showers early in the evening, then a slight chance of showers in the late evening and early morning. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY...North winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy early in the morning then clearing. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and early morning, then becoming light and variable after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-131600- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 350 AM EDT Wed May 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots with gust to 25 knots. Mostly sunny in the morning becoming mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly cloudy until early morning becoming partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...North winds 5 to 10 knots veering to the east in the late evening and early morning, then becoming light and variable after midnight. Mostly clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is missing. $$ SF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes