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Special Marine Warning

Active

Port Wing to Sand Island WI; Sand Island to Bayfield WI; Outer Apostle Islands Beyond 5 NM from Mainland; Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM

Status In Progress Started 2 minutes ago
Ends
Issued
Severity Severe
Urgency Immediate
Certainty Likely

Details

For the following areas... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... Port Wing to Sand Island WI... Sand Island to Bayfield WI...
At 934 PM CDT, showers were located along a line extending from 19 nm east of Oak Island to 11 nm east of Madeline Island, moving southeast at 35 knots.
HAZARD...Wind gusts to 40 knots.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves.
Locations impacted include... Rocky Island, Raspberry Island, Ironwood Island, Basswood Island, Sand Island, Stockton Island, Oak Island, Madeline Island, Devils Island, Manitou Island, Cat Island, South Twin Island, North Twin Island, Hermit Island, York Island, Otter Island, Apostle Islands National Lake Shore, Sand Bay, Michigan Island, and Outer Island.
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