254 

FZCA72 TJSJ 172120

MWSSJU



Marine Weather Statement

National Weather Service San Juan PR

520 PM AST Fri Oct 17 2025



AMZ741-172245-

520 PM AST Fri Oct 17 2025



...STRONG THUNDERSTORMS OVER THE MONA PASSAGE...



The areas affected include...

  Mona Passage Southward to 17N...



At 518 PM AST, Doppler radar indicated a line of strong 

thunderstorms, capable of producing winds to around 30 knots. These 

thunderstorms were located over the Mona Passage, moving northeast 

at 15 to 20 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 these storms pass.



Intense lightning is occurring with these storms. 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 nearest law enforcement

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

forecast office.



&&



LAT...LON 1700 6800 1850 6800 1850 6738 1840 6744

      1828 6743 1818 6736 1803 6739 1700 6737



$$



MRR