FZUS53 KDTX 110807 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 407 AM EDT Mon May 11 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. LHZ422-111615- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 407 AM EDT Mon May 11 2026 .TODAY...North winds 10 to 15 knots diminishing to 5 to 10 knots late in the morning, then veering to the northeast early in the afternoon becoming east 10 to 15 knots late in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...East winds 10 to 15 knots veering to the southeast after midnight. Clear. Waves 2 feet or less. .TUESDAY...South winds 10 to 15 knots increasing to 20 to 25 knots with gusts to 30 knots. Partly cloudy until late afternoon, then showers early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. A Small Craft Advisory may be needed. .TUESDAY NIGHT...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots after midnight. Becoming partly cloudy after midnight. Light showers until early morning. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-111615- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 407 AM EDT Mon May 11 2026 .TODAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...East winds 10 to 15 knots veering to the southeast after midnight. Clear. Waves 2 feet or less. .TUESDAY...South winds 10 to 15 knots increasing to 20 to 25 knots with gusts to 30 knots. Partly cloudy until late afternoon, then mostly cloudy with showers early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. A Small Craft Advisory may be needed. .TUESDAY NIGHT...South winds to 30 knots becoming southwest 15 to 20 knots after midnight. Becoming partly cloudy after midnight. Light showers until early morning. Waves 3 to 5 feet. Waves occasionally around 6 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-111615- Port Austin to Harbor Beach MI- 407 AM EDT Mon May 11 2026 .TODAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and afternoon. Sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable, then becoming southeast 5 to 10 knots after midnight. Clear. Waves 2 feet or less. .TUESDAY...South winds 5 to 10 knots becoming southeast 15 to 20 knots. Partly cloudy until late afternoon, then showers early in the afternoon. Waves 2 feet or less building to 2 to 4 feet early in the afternoon. .TUESDAY NIGHT...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots after midnight. Light showers until early morning, then a chance of showers after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-111615- Harbor Beach to Port Sanilac MI- 407 AM EDT Mon May 11 2026 .TODAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable. Clear. Waves 2 feet or less. .TUESDAY...South winds 5 to 10 knots increasing to 15 to 20 knots. Partly cloudy until late afternoon, then mostly cloudy with showers likely early in the afternoon. Waves 2 feet or less building to 2 to 4 feet early in the afternoon. .TUESDAY NIGHT...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots after midnight. Light showers until early morning, then a chance of showers after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-111615- Port Sanilac to Port Huron MI- 407 AM EDT Mon May 11 2026 .TODAY...North winds 10 to 15 knots. Partly cloudy in the morning then clearing. Waves 1 to 3 feet. .TONIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable. Clear. Waves 2 feet or less. .TUESDAY...Southeast winds 5 to 10 knots becoming south 15 to 20 knots. Mostly sunny until late afternoon, then mostly cloudy with showers likely early in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...South winds 20 to 25 knots becoming southwest 15 to 20 knots after midnight. Becoming partly cloudy after midnight. Light showers until early morning, then a chance of showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-111615- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 407 AM EDT Mon May 11 2026 .TODAY...North winds 5 to 10 knots veering to the northeast in the afternoon. Partly cloudy. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .TUESDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Sunny until late afternoon becoming mostly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late evening and overnight. Becoming partly cloudy after midnight. Light showers and a chance of thunderstorms until early morning, then showers likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. A Small Craft Advisory may be needed. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is missing. $$ BT You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes