481 

FZCA72 TJSJ 181024

MWSSJU



Marine Weather Statement

National Weather Service San Juan PR

624 AM AST Thu Sep 18 2025



AMZ711-716-726-733-181400-

Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-

Coastal Waters from Cabo San Juan to the waters between Anegada

Island and Virgin Gorda and North 10 NM-

Coastal waters east of Puerto Rico, around Vieques, and around

and just north of Culebra and Saint John-

Caribbean waters of Puerto Rico from 10 NM to 17N, including the

coastal waters of Saint Croix-

624 AM AST Thu Sep 18 2025



...STRONG THUNDERSTORMS OVER THE COASTAL WATERS OF THE US VIRGIN 

ISLANDS AND OFFSHORE CARIBBEAN AND ATLANTIC WATERS...



At 620 AM AST, Doppler radar indicated strong thunderstorms, 

capable of producing winds to around 30 knots, frequent lightning,

and heavy downpours. Isolated waterspouts are possible. These 

thunderstorm were located over the waters surrounding the US 

Virgin Islands, and across the offshore Caribbean and Atlantic

waters, moving west-northwest at 10 knots. Additional thunderstorms

are expected to redevelop across these waters through the rest of

the morning hours. 



&&



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Mariners can expect gusty winds to around 30 knots, locally higher

waves, and lightning strikes. Boaters should seek safe harbor

immediately until this storm passes.



Report severe weather to the Coast Guard or nearest law enforcement

agency. They will relay your report to the National Weather Service

forecast office.



$$