Station List

National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 150801
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
401 AM EDT Sun Mar 15 2026

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.

SYNOPSIS
A strong low pressure system, 28.90 inches, moves across southern Michigan and Lake Huron late tonight into Monday. This brings unsettled weather included gust to gales through the early week period. Gale Warnings are in effect for the eastern Great Lakes.

LCZ460-151615
Lake St Clair
401 AM EDT Sun Mar 15 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON

TODAY
East winds 20 to 25 knots with gusts to 35 knot gales becoming southeast 15 to 20 knots early in the afternoon...then becoming south 20 to 25 knots with gusts to 30 knots late in the afternoon. Mostly cloudy. Waves 2 to 4 feet.

TONIGHT
South winds 20 to 25 knots increasing to 30 knots after midnight...then diminishing to 20 to 25 knots early in the morning. Gusts to 35 knot gales. Rain early in the morning. Waves 3 to 5 feet. Waves occasionally around 7 feet.

MONDAY
Southwest winds to 30 knots with gusts to 40 knot gales. Mostly cloudy. A chance of light rain early in the morning. Waves 3 to 5 feet. Waves occasionally around 7 feet.

MONDAY NIGHT
West winds to 30 knots with gusts to 35 knot gales. Mostly cloudy. Waves 2 to 4 feet.

TUESDAY
West winds 20 to 25 knots with gusts to 30 knots diminishing to 10 to 15 knots. Mostly cloudy becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon and evening.

WEDNESDAY
South winds 15 to 20 knots. Mostly cloudy with a chance of light snow. Waves 1 to 3 feet.

THURSDAY
Southeast winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

AA

Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes