690 

FZCA72 TJSJ 172311

MWSSJU



Marine Weather Statement

National Weather Service San Juan PR

711 PM AST Fri Oct 17 2025



AMZ711-180000-

711 PM AST Fri Oct 17 2025



...A STRONG THUNDERSTORM OVER THE OFFSHORE ATLANTIC WATERS...



The areas affected include...

  Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N...



At 706 PM AST, Doppler radar indicated a strong thunderstorm, capable

of producing winds to around 30 knots. This thunderstorm was located 

over the northern offshore Atlantic waters, moving northeast at 15 

to 20 knots. A line of strong thunderstorms is also just outside the 

local offshore Atlantic waters, north of 19.5N, moving southeast at 

around 15 to 20 knots and capable of producing winds to around 30 

knots.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

waves, lightning strikes, and heavy downpours. Boaters should seek 

safe harbor immediately until this storm passes.



Intense lightning is occurring with this storm. If caught on the open

water stay below deck if possible, keep away from ungrounded metal

objects.



&&



LAT...LON 1928 6450 1867 6800 1950 6800 1951 6482



$$



MRR