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Ended official alertUpdated

Special Marine Warning for Saxon Harbor WI to Black River MI; Black River To Ontonagon MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

SMWMQT The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Saxon Harbor WI to Black River MI... *...

What the bulletin says to do

Move to safe harbor immediately as gusty winds and high waves are expected.

Full official description

Bulletin details

SMWMQT The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Saxon Harbor WI to Black River MI... * Until 900 PM EDT. * At 813 PM EDT, strong thunderstorms were located along a line extending from 13 nm southwest of The Western Lake Superior Buoy to 36 nm south of Ashland Breakwater Lighthouse, moving east at 30 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued October 28 at 8:13PM EDT until October 28 at 9:00PM EDT by NWS Marquette MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Marquette MI. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections