

110 

FZCA52 TJSJ 251040 CCA

CWFSJU



Coastal Waters Forecast...CORRECTED

National Weather Service San Juan PR

640 AM AST Mon Jan 25 2021



Puerto Rico and the U.S. Virgin Islands Waters



Seas are provided as a range of the average height of the

highest 1/3 of the Seas...Along with the occasional height

of the average highest 10 percent of the Seas.



AMZ700-252030-

640 AM AST Mon Jan 25 2021



.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...

Light to moderate winds are expected across the local waters today, 

turning moderate to fresh by this evening. Therefore, generally 

tranquil seas are expected for the local waters today. A northerly 

swell is expected to affect the Atlantic waters and local passages 

beginning late this night and continuing through the middle of the 

week, resulting in choppy and hazardous seas.



$$



AMZ710-252030-

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

640 AM AST Mon Jan 25 2021



...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

WEDNESDAY EVENING...



.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

showers.

.TONIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 11 seconds. North

swell 4 to 7 feet. Scattered showers.

.TUESDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with

occasional seas up to 10 feet. Dominant period 11 seconds. North

swell 5 to 7 feet. Scattered showers.

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 6 to 7 feet. Isolated showers.

.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 7 feet. Isolated showers.

.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. East

swell around 4 feet. Isolated showers.

.FRIDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet with

occasional seas up to 9 feet. Dominant period 12 seconds. North

swell 4 to 8 feet. Scattered showers.



$$



AMZ712-252030-

Coastal Waters of Northern Puerto Rico out 10 NM-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH

LATE TUESDAY NIGHT...

.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

showers through the day.

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. North

swell 4 to 5 feet. Scattered showers.

.TUESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 7 feet. Numerous showers.

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 7 feet. Isolated showers.

.WEDNESDAY...East winds 10 to 15 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet. Isolated showers.

.THURSDAY...East winds 5 to 10 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. Isolated

showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 13 seconds. North

swell 4 to 8 feet. Scattered showers.



$$



AMZ715-252030-

Coastal Waters of Northern USVI and Culebra out 10 NM-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

LATE TUESDAY NIGHT...

.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

showers.

.TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds. North

swell around 4 feet after midnight. Isolated showers.

.TUESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet. Numerous showers.

.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 7 feet

with occasional seas up to 9 feet. Dominant period 11 seconds.

North swell 4 to 6 feet. Isolated showers.

.WEDNESDAY...East winds 10 to 15 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet. Isolated showers.

.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. Isolated

showers.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 12 seconds. North

swell around 4 feet. Scattered showers.



$$



AMZ722-252030-

Anegada Passage Southward to 17N-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH

WEDNESDAY EVENING...



.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 10 seconds. North

swell around 4 feet. Scattered showers through the day.

.TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. North

swell 4 to 5 feet. Isolated showers through the night.

.TUESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 7 feet. Isolated showers.

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 13 seconds. North

swell 4 to 7 feet. Isolated showers.

.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 7 feet. Scattered showers.

.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds.

Northeast swell around 4 feet. Isolated showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 13 seconds. North

swell 4 to 5 feet. Scattered showers.



$$



AMZ725-252030-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

640 AM AST Mon Jan 25 2021



.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Scattered

showers.

.TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds.

.TUESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds.

Northeast swell 4 to 5 feet. Scattered showers.

.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet

with occasional seas up to 8 feet. Dominant period 11 seconds.

East swell 4 to 5 feet. Scattered showers.

.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds.

Northeast swell 4 to 5 feet. Isolated showers.

.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 10 seconds. Isolated

showers.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 12 seconds. Scattered showers.



$$



AMZ732-252030-

Caribbean Waters of Puerto Rico from 10 NM to 17N-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 10 seconds.

Scattered showers.

.TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 7 seconds. Isolated

showers through the night.

.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 7 seconds. Isolated

showers.

.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet

with occasional seas up to 8 feet. Dominant period 8 seconds.

Isolated showers.

.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 7 seconds. Isolated

showers.

.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. Isolated

showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 12 seconds. Isolated

showers.



$$



AMZ735-252030-

Coastal Waters of Southern Puerto Rico out 10 NM-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.TODAY...East winds 15 to 20 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers.

.TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers.

.TUESDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers through the day.

.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet

with occasional seas up to 5 feet. Dominant period 8 seconds.

Isolated showers through the night.

.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds. Isolated

showers.

.THURSDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Scattered

showers.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 7 seconds. Isolated showers.



$$



AMZ741-252030-

Mona Passage Southward to 17N-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH 

LATE TUESDAY NIGHT...



.TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 7 seconds.

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 11 seconds. North

swell 4 to 5 feet after midnight. Isolated showers through the

night.

.TUESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet.

.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet. Isolated showers.

.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds.

Northeast swell 4 to 6 feet. Isolated showers.

.THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with

occasional seas up to 8 feet. Dominant period 12 seconds.

Scattered showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 12 seconds.

Northeast swell 4 to 8 feet. Scattered showers.



$$



AMZ742-252030-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

640 AM AST Mon Jan 25 2021



...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

LATE TUESDAY NIGHT...



.TODAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 8 seconds. Isolated

showers through the day.

.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 10 seconds.

.TUESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet. Isolated showers through the day.

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet with

occasional seas up to 9 feet. Dominant period 11 seconds. North

swell 4 to 6 feet. Isolated showers through the night.

.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds. North

swell 4 to 5 feet. Isolated showers.

.THURSDAY...North winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 11 seconds. Isolated

showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 12 seconds. North

swell 4 to 5 feet. Scattered showers.



$$



AMZ745-252030-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

640 AM AST Mon Jan 25 2021



.TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 8 seconds.

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 7 seconds. Isolated

showers.

.TUESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 11 seconds.

Northwest swell around 4 feet in the afternoon.

.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds.

Northwest swell around 4 feet. Isolated showers through the night.

.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with

occasional seas up to 6 feet. Dominant period 11 seconds.

Northwest swell around 4 feet. Isolated showers.

.THURSDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet with

occasional seas up to 5 feet. Dominant period 10 seconds. Isolated

showers.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.

Dominant period 12 seconds. Scattered showers.



$$

