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Gale Watch
ActiveLake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border
Starts
Ends
Issued
Severity
Moderate
Urgency
Future
Certainty
Possible
Details
* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Gale Watch, northeast winds 20 to 30 kt with gusts up to 40 kt and waves 6 to 11 ft possible.
* WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border.
* WHEN...For the Dense Fog Advisory, until 10 AM EST Wednesday. For the Gale Watch, from Thursday afternoon through late Thursday night.
* IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult.
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.
If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Data from the National Weather Service
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