140
WHCA72 TJSJ 181418
MWWSJU
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN JUAN PR
1018 AM AST MON AUG 18 2025
AMZ711-182230-
/O.CON.TJSJ.SC.Y.0030.000000T0000Z-250819T0400Z/
ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO 19.5N-
1018 AM AST MON AUG 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT AST TONIGHT...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
7 TO 9 FT.
* WHERE...ATLANTIC WATERS OF PUERTO RICO AND USVI FROM 10 NM TO
19.5N AND COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM.
* 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.
AMZ712-741-745-182200-
/O.CON.TJSJ.SC.Y.0029.000000T0000Z-250818T2200Z/
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
MONA PASSAGE SOUTHWARD TO 17N-
COASTAL WATERS OF SOUTHWESTERN PUERTO RICO OUT 10 NM-
1018 AM AST MON AUG 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING...
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS 5
TO 7 FT.
* WHERE...COASTAL WATERS OF SOUTHWESTERN AND NORTHERN PUERTO RICO
OUT 10 NM, AND THE MONA PASSAGE SOUTHWARD TO 17N.
* 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.
AMZ742-182200-
/O.CON.TJSJ.SC.Y.0030.000000T0000Z-250818T2200Z/
COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
1018 AM AST MON AUG 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM AST THIS EVENING...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS 6
TO 8 FT.
* WHERE...COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 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.
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