National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
WHCA72 TJSJ 092048
MWWSJU

URGENT - MARINE WEATHER MESSAGE
National Weather Service San Juan PR
448 PM AST Tue Apr 9 2024

AMZ733-100500-
/O.EXB.TJSJ.SC.Y.0018.240410T0400Z-240412T1000Z/
Caribbean waters of Puerto Rico from 10 NM to 17N, including the
coastal waters of Saint Croix-
448 PM AST Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
AST FRIDAY...

* WHAT...Northeast winds 15 to 20 knots with gusts up to 30 knots.
  Seas 5 to 7 feet with occasional seas up to 9 feet.

* WHERE...Caribbean waters of Puerto Rico from 10 NM to 17N,
  including the coastal waters of Saint Croix.

* WHEN...IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM AST FRIDAY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

AMZ726-100500-
/O.EXB.TJSJ.SC.Y.0018.240410T1600Z-240412T1000Z/
Coastal waters east of Puerto Rico, around Vieques, and around
and just north of Culebra and Saint John-
448 PM AST Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 6 AM AST
FRIDAY...

* WHAT...Northeast winds 15 to 20 knots with gusts up to 25 knots.
  Seas 4 to 7 feet with occasional seas up to 8 feet, building to
  5 to 7 feet by Wednesday night.

* WHERE...Coastal waters east of Puerto Rico, around Vieques, and
  around and just north of Culebra and Saint John.

* WHEN...IN EFFECT FROM NOON WEDNESDAY TO 6 AM AST FRIDAY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

AMZ742-100500-
/O.EXA.TJSJ.SC.Y.0018.240409T2200Z-240412T1000Z/
Coastal Waters of Northwestern Puerto Rico out 10 NM-
448 PM AST Tue Apr 9 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM AST FRIDAY...

* WHAT....Northeast winds 15 to 20 knots with gusts up to 30
  knots. Seas 5 to 7 feet with occasional seas up to 9 feet.
  Building to 8 to 10 feet by Wednesday night.

* WHERE...Coastal Waters of Northwestern Puerto Rico out 10 NM.

* WHEN...IN EFFECT UNTIL 6 AM AST FRIDAY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

AMZ712-716-723-741-100500-
/O.EXT.TJSJ.SC.Y.0018.240409T2200Z-240412T1000Z/
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-
Anegada Passage east of Virgin Gorda and Saint Croix south to 17N-
Mona Passage Southward to 17N-
448 PM AST Tue Apr 9 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM AST FRIDAY...

* WHAT...Hazardous seas between 5 and 7 feet with occasional seas
  up to 8 feet, increasing between 6 and 8 feet with occasional
  seas up to 10 feet on Wednesday. Building 8 to 10 feet by
  Wednesday night.

* WHERE...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, Anegada Passage east of
  Virgin Gorda and Saint Croix south to 17N, and the Mona Passage
  Southward to 17N.

* WHEN...IN EFFECT UNTIL 6 AM AST FRIDAY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

AMZ711-100500-
/O.CON.TJSJ.SC.Y.0018.240409T2200Z-240412T1000Z/
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
448 PM AST Tue Apr 9 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM AST FRIDAY...

* WHAT...Northeast winds 15 to 20 knots with gusts up to 25 knots.
  Seas 6 to 8 feet with occasional seas up to 10 feet. Building 8
  to 10 feet by Wednesday.

* WHERE...Offshore Atlantic Waters of Puerto Rico and USVI.

* WHEN...IN EFFECT UNTIL 6 AM AST FRIDAY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$