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Special Marine Warning for Sheboygan to Port Washington WI; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake

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

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What you need to know

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What is happening

SMWMKX The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Port Washington WI... * Until 315 AM CDT. * At 117 AM CDT, a severe thunderstorm was located 11 nm northwest of Oostburg, or 12 nm west of...

What the bulletin says to do

Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm.

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Full official description

Bulletin details

SMWMKX The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Port Washington WI... * Until 315 AM CDT. * At 117 AM CDT, a severe thunderstorm was located 11 nm northwest of Oostburg, or 12 nm west of Sheboygan, moving southeast at 20 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... Port Washington.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued September 4 at 1:17AM CDT until September 4 at 3:15AM CDT by NWS Milwaukee/Sullivan WI

    Official revision

Source and limitations

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

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