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Gale Warning
ActiveManitou Island to Point Isabelle MI; Point Isabelle to Lower Entrance of Portage Canal MI; Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore; Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore
Starts
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 10 to 15 ft expected.
* WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore.
* WHEN...For the Dense Fog Advisory, until 10 AM EST this morning. For the Gale Warning, from 7 AM Thursday to 1 AM EST Friday.
* IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult.
Instructions
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
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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