


Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
401 FZUS53 KDTX 150753 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 353 AM EDT Mon Sep 15 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. LHZ422-151600- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 353 AM EDT Mon Sep 15 2025 .TODAY...Northeast winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then becoming light and variable after midnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-151600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 353 AM EDT Mon Sep 15 2025 .TODAY...Northeast winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots becoming light and variable. Mostly clear. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming east 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...East winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-151600- Port Austin to Harbor Beach MI- 353 AM EDT Mon Sep 15 2025 .TODAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots veering to the southeast after midnight. Mostly clear. Waves 2 feet or less. .TUESDAY...Light and variable winds becoming northeast 5 to 10 knots early in the afternoon. Partly cloudy early in the morning then clearing. Waves 2 feet or less. .TUESDAY NIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-151600- Harbor Beach to Port Sanilac MI- 353 AM EDT Mon Sep 15 2025 .TODAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to 10 knots in the late evening and early morning, then veering to the southeast after midnight. Mostly clear. Waves 2 feet or less. .TUESDAY...East winds 5 to 10 knots backing to the northeast early in the afternoon. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...Northeast winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-151600- Port Sanilac to Port Huron MI- 353 AM EDT Mon Sep 15 2025 .TODAY...Light and variable winds becoming northeast 5 to 10 knots in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .TUESDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...Northeast winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-151600- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 353 AM EDT Mon Sep 15 2025 .TODAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 69 degrees. $$ MR You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes