Special Marine Warning

FROM: NWS Boston/Norton MA
AREA: Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM
SENT: 2026-07-22T03:23:00-04:00

Special Marine Warning issued July 22 at 3:23AM EDT until July 22 at 4:30AM EDT by NWS Boston/Norton MA

SMWBOX

The National Weather Service in Boston/Norton has issued a

* Special Marine Warning for…
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60
NM…

* Until 430 AM EDT.

* At 322 AM EDT, a severe thunderstorm capable of producing
waterspouts was located 41 nm southeast of Buoy 44017, moving
northeast at 50 knots.

HAZARD…Waterspouts and wind gusts 34 knots or greater.

SOURCE…Radar.

IMPACT…Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves.

* The severe thunderstorm will remain over mainly open waters.

Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

Report severe weather to the Coast Guard or the National Weather
Service.

Alert Expiration: 2026-07-22T04:30:00-04:00