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Active official alertUpdated

Special Marine Warning for Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM; Casco Bay; Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM

Official alert fields

What you need to know

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

What is happening

For the following areas... Casco Bay... Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM... Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM... At 336 PM EDT, a severe thunderstorm was located over Cape Elizabeth, or near Portland, moving southeast at 30 knots. HAZARD...Wind...

What the bulletin says to do

Move to safe harbor until hazardous weather passes.

Full official description

Bulletin details

For the following areas... Casco Bay... Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM... Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM... At 336 PM EDT, a severe thunderstorm was located over Cape Elizabeth, or near Portland, moving southeast at 30 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Old Orchard Beach, Portland, Chebeague Island, Cape Elizabeth, Kennebunkport, and Harpswell.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued August 13 at 3:37PM EDT until August 13 at 4:15PM EDT by NWS Gray ME

    Official revision
  2. Alert

    Special Marine Warning issued August 13 at 3:15PM EDT until August 13 at 4:15PM EDT by NWS Gray ME

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Gray ME. 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