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Ended official alertUpdated

Special Marine Warning for Sheboygan to Port Washington WI; Port Washington to North Point Light WI; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake +1 more

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

For the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to North Port Light WI... At 336 AM CDT, strong thunderstorms were located along a line extending from 14 nm east of Sheboygan to 15 nm east of Oostburg to near Port Washington, moving southeast at 30 knots....

What the bulletin says to do

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

Read official NWS bulletin

Full official description

Bulletin details

For the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to North Port Light WI... At 336 AM CDT, strong thunderstorms were located along a line extending from 14 nm east of Sheboygan to 15 nm east of Oostburg to near Port Washington, moving southeast at 30 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... North Pt. Lt. and Port Washington.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued September 4 at 3:36AM CDT until September 4 at 4:45AM CDT by NWS Milwaukee/Sullivan WI

    Official revision
  2. Alert

    Special Marine Warning issued September 4 at 3:08AM CDT until September 4 at 4:45AM 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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Actual
Message type
Update
Last collected
Methodology and corrections