WHCA72 TJSJ 121500

MWWSJU



URGENT - MARINE WEATHER MESSAGE

National Weather Service San Juan PR

1100 AM AST Fri Dec 12 2025



AMZ711-122300-

/O.CON.TJSJ.SC.Y.0041.000000T0000Z-251214T2100Z/

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

1100 AM AST Fri Dec 12 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST SUNDAY...



* WHAT...East winds 10 to 20 kt with gusts up to 30 kt and seas 

  6 to 8 ft.



* WHERE...Atlantic Waters of Puerto Rico and USVI from 10 NM to 

  19.5N.



* WHEN...Until 5 PM AST Sunday.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ712-716-122200-

/O.CON.TJSJ.SC.Y.0041.000000T0000Z-251212T2200Z/

Coastal Waters of Northern Puerto Rico out 10 NM-

Coastal Waters from Cabo San Juan to the waters between Anegada

Island and Virgin Gorda and North 10 NM-

1100 AM AST Fri Dec 12 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS

EVENING...



* WHAT...East winds 10 to 20 kt with gusts up to 30 kt and seas 5

  to 7 ft.



* WHERE...Coastal Waters of Northern Puerto Rico out 10 NM, and, 

  Coastal Waters from Cabo San Juan to the waters between 

  Anegada Island and Virgin Gorda and North 10 NM.



* WHEN...Until 6 PM AST this evening.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ723-122300-

/O.CON.TJSJ.SC.Y.0041.000000T0000Z-251213T1600Z/

Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-

1100 AM AST Fri Dec 12 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON AST

SATURDAY...



* WHAT...East winds 10 to 20 kt with gusts up to 25 kt and seas 6

  to 7 ft.



* WHERE...Anegada Passage east of Virgin Gorda and Saint Croix 

  south to 17N.



* WHEN...Until noon AST Saturday.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ741-122300-

/O.CON.TJSJ.SC.Y.0041.000000T0000Z-251213T0400Z/

Mona Passage Southward to 17N-

1100 AM AST Fri Dec 12 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST

TONIGHT...



* WHAT...East winds 10 to 20 kt with gusts up to 25 kt and seas 6

  to 7 ft.



* WHERE...Mona Passage Southward to 17N.



* WHEN...Until midnight AST tonight.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$