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Ended official alertUpdated

Marine Weather Statement for St. Clair River; Detroit River; Lake St. Clair Open Lake (U.S. Portion) +2 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
Minor
Official urgency
Expected
Official certainty
Observed

What is happening

The areas affected include... Detroit River... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Lake St. Clair Open Lake (U.S. Portion)... Port Sanilac to Port Huron MI... St. Clair River... At 311 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up...

What the bulletin says to do

These strong thunderstorms will likely produce winds up to 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives.

Full official description

Bulletin details

The areas affected include... Detroit River... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Lake St. Clair Open Lake (U.S. Portion)... Port Sanilac to Port Huron MI... St. Clair River... At 311 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up to 30 knots. These thunderstorms were located along a line extending from near Lexington to near St. Clair to St. Clair Shores, moving east at 40 knots. strong thunderstorms will be near... Algonac, St. Clair, Lakeport, Lexington, Port Huron, Mt Clemens Harbor Of Refuge, St Clair Flats Old Channel Light, and Metro Beach Metropark Marina around 315 PM EDT. Port Sanilac around 320 PM EDT.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Marine Weather Statement issued July 21 at 3:12PM EDT by NWS Detroit/Pontiac MI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Detroit/Pontiac 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