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Active official alertUpdated

Special Marine Warning for St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI +3 more

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

The affected areas were... Nearshore and Open Waters from St Joseph to Grand Haven MI... The thunderstorms have moved out of the area and no longer pose a significant threat to boaters.

What the bulletin says to do

No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued September 4 at 8:07AM EDT until September 4 at 8:15AM EDT by NWS Grand Rapids MI

    Official revision
  2. Alert

    Special Marine Warning issued September 4 at 6:38AM EDT until September 4 at 8:15AM EDT by NWS Grand Rapids MI

    Official revision

Source and limitations

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

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections