Get Forecast Bar
Weather alerts on your iPhone
Back to All Alerts
Small Craft Advisory
ActivePort Austin to Harbor Beach MI; Harbor Beach to Port Sanilac MI
Starts
Ends
Issued
Severity
Minor
Urgency
Expected
Certainty
Likely
Details
* WHAT...During the Small Craft Advisory, expect sustained winds up to 17 knots from the north with gusts up to 20 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. During the Gale Watch, expect sustained winds up to 31 knots from the north with gusts up to 37 knots. The largest significant waves will be 13 feet with a potential maximum wave height of 19 feet.
* WHERE...Port Austin to Harbor Beach MI and Harbor Beach to Port Sanilac MI.
* WHEN...During the Small Craft Advisory, the maximum winds are expected around 9 PM EDT Wednesday with the largest waves expected around 10 PM EDT Wednesday. During the Gale Watch, the maximum winds are expected around 9 PM EDT Friday with the largest waves expected around 10 PM EDT Friday.
* IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
Instructions
Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves.
Data from the National Weather Service
Service provided by Forecast Bar