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🔵 Minor
Small Craft Advisory
Lake St. Clair Open Lake (U.S. Portion); Michigan Waters of Lake Erie from Detroit River to North Cape MI
Small Craft Advisory issued December 17 at 3:42PM EST until December 19 at 7:00PM EST by NWS Detroit/Pontiac MI
Alert Description
* WHAT...Expect sustained winds up to 25 knots from the southwest with gusts up to 33 knots. The largest significant waves will be 2 feet with a potential maximum wave height of 3 feet. * WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 5 AM EST Friday with the largest waves expected around 5 AM EST Friday. * IMPACTS...Conditions will be hazardous to small craft.
Safety Instructions
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Time Information
Effective
Dec 18, 2025, 12:00 PM
Expires
Dec 18, 2025, 9:30 AM
Issued
Dec 17, 2025, 8:42 PM
Alert Details
Severity
Minor
Urgency
Expected
Certainty
Likely
Category
Met
Issued By
NWS Detroit/Pontiac MI
National Weather Service