Special Marine Warning for Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket; Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM
Official alert fields
What you need to know
- Applies to
- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWBOX The National Weather Service in Boston/Norton has issued a * Special Marine Warning for... Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket... Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM... * Until 600 AM EDT. * At 457 AM EDT, a strong thunderstorm was...
What the bulletin says to do
Remain below deck until hazardous weather passes.
Full official description
Bulletin details
SMWBOX The National Weather Service in Boston/Norton has issued a * Special Marine Warning for... Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket... Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM... * Until 600 AM EDT. * At 457 AM EDT, a strong thunderstorm was located 22 nm southwest of The Coastal Waters South Of Nantucket, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued September 4 at 4:57AM EDT until September 4 at 6:00AM EDT by NWS Boston/Norton MA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Boston/Norton MA. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected