Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
104 FZUS53 KDTX 171438 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 938 AM EST Mon Nov 17 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. LHZ422-172245- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 938 AM EST Mon Nov 17 2025 .REST OF TODAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Partly cloudy. Waves 1 to 3 feet. .TONIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .TUESDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable. Partly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...Light and variable winds becoming north 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-172245- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 938 AM EST Mon Nov 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .REST OF TODAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots in the afternoon. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...Northwest winds 5 to 10 knots until late afternoon becoming light and variable. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...Light and variable winds becoming north 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-172245- Port Austin to Harbor Beach MI- 938 AM EST Mon Nov 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .REST OF TODAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots in the afternoon. Mostly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TUESDAY...Northwest winds 5 to 10 knots until late afternoon becoming light and variable. Partly cloudy. Waves 1 to 3 feet. .TUESDAY NIGHT...Light and variable winds becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-172245- Harbor Beach to Port Sanilac MI- 938 AM EST Mon Nov 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .REST OF TODAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots in the afternoon. Partly cloudy late in the morning becoming mostly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TONIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...Northwest winds 5 to 10 knots until late afternoon becoming light and variable. Partly cloudy until late afternoon becoming mostly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-172245- Port Sanilac to Port Huron MI- 938 AM EST Mon Nov 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... .REST OF TODAY...Northwest winds 15 to 20 knots. Partly cloudy late in the morning becoming mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...Northwest winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .TUESDAY...Northwest winds 5 to 10 knots veering to the northeast early in the afternoon. Partly cloudy early in the morning becoming mostly cloudy. A slight chance of. Waves 2 feet or less. .TUESDAY NIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-172245- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 938 AM EST Mon Nov 17 2025 .REST OF TODAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...Northwest winds 5 to 10 knots until early morning becoming light and variable. Mostly clear until early morning becoming mostly cloudy. A chance of light rain, light freezing rain and snow after midnight. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming east 5 to 10 knots in the late morning and afternoon. Cloudy. Light snow and light rain likely until late afternoon, then light rain likely early in the afternoon. Waves 2 feet or less. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Mostly cloudy until early morning becoming partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 42 degrees. $$ KDK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes