

646 

FZCA52 TJSJ 252015

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

415 PM 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.



AMZ700-260830-

415 PM AST Mon Jan 25 2021



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

A surface high pressure across the southwestern Atlantic will result

in moderate to fresh trade winds through Wednesday. A northerly 

swell is expected to invade the Atlantic waters and local passages 

beginning late tonight and continuing through the middle of the week,

resulting in hazardous seas. Isolated to scattered brief showers 

will be possible from time to time during the next several days. 



$$



AMZ710-260830-

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

415 PM AST Mon Jan 25 2021



...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM AST TUESDAY THROUGH

WEDNESDAY EVENING...



.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...East 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 8 feet. Scattered showers.

.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 6 to 8 feet with

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

swell around 7 feet. Isolated showers.

.WEDNESDAY...East winds 10 to 15 knots. Seas 6 to 8 feet with

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

swell 5 to 7 feet. Isolated showers.

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

with occasional seas up to 9 feet. Dominant period 10 seconds.

North swell 4 to 7 feet. Isolated showers.

.THURSDAY...North 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 7 feet with

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

Northeast swell 4 to 8 feet. Scattered showers.

.SATURDAY...Northeast winds 15 to 20 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 13 seconds. North

swell around 8 feet. Scattered showers.



$$



AMZ712-260830-

Coastal Waters of Northern Puerto Rico out 10 NM-

415 PM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...

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

WEDNESDAY EVENING...



.TONIGHT...East winds 10 to 15 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. 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 5 to 7 feet. Isolated showers.

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

with occasional seas up to 9 feet. Dominant period 10 seconds.

North swell 4 to 6 feet. Isolated showers.

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

occasional seas up to 6 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 13 seconds. North

swell 4 to 8 feet. Scattered showers.

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

occasional seas up to 10 feet. Dominant period 13 seconds. North

swell 6 to 8 feet. Scattered showers.



$$



AMZ715-260830-

Coastal Waters of Northern USVI and Culebra out 10 NM-

415 PM AST Mon Jan 25 2021



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

WEDNESDAY EVENING...



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

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

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...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 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.

.WEDNESDAY 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.

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

occasional seas up to 8 feet. Dominant period 10 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.

.SATURDAY...Northeast 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 8 feet. Scattered showers.



$$



AMZ722-260830-

Anegada Passage Southward to 17N-

415 PM AST Mon Jan 25 2021



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

WEDNESDAY EVENING...



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

occasional seas up to 6 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 7 feet. Isolated showers.

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

occasional seas up to 10 feet. Dominant period 12 seconds. North

swell 4 to 7 feet. Isolated showers.

.WEDNESDAY...East 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. Isolated showers.

.WEDNESDAY 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. Scattered showers.

.THURSDAY...Northeast 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.

.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.

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

occasional seas up to 10 feet. Dominant period 13 seconds. North

swell 4 to 8 feet. Scattered showers.



$$



AMZ725-260830-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

415 PM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

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

occasional seas up to 8 feet. Dominant period 10 seconds.

Northeast swell 4 to 5 feet. Scattered showers.

.TUESDAY NIGHT...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.

.WEDNESDAY...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. Isolated showers.

.WEDNESDAY NIGHT...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...Northeast 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.

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

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

swell 4 to 7 feet. Scattered showers.



$$



AMZ732-260830-

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

415 PM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers through the night.

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

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

showers.

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

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

showers.

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

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

showers.

.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet

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

Isolated showers.

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

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

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 12 seconds. Isolated

showers.

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

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

swell 4 to 6 feet. Scattered showers.



$$



AMZ735-260830-

Coastal Waters of Southern Puerto Rico out 10 NM-

415 PM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE CAUTION...



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

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

showers through the day.

.TUESDAY NIGHT...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.

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

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

showers.

.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5

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

Isolated showers through the night.

.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.

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

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

swell 4 to 5 feet. Isolated showers.



$$



AMZ741-260830-

Mona Passage Southward to 17N-

415 PM AST Mon Jan 25 2021



...SMALL CRAFT SHOULD EXERCISE...

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

WEDNESDAY EVENING...



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

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

.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 7 feet. Isolated showers through the night.

.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 6 feet. Isolated showers.

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

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

Scattered 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 7 feet. Scattered showers.

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

occasional seas up to 10 feet. Dominant period 13 seconds. North

swell 5 to 8 feet. Isolated showers.



$$



AMZ742-260830-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

415 PM AST Mon Jan 25 2021



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

WEDNESDAY AFTERNOON...



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

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

.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. 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 5 to 7 feet with

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

swell 4 to 6 feet. Isolated showers.

.WEDNESDAY 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.

.THURSDAY...Northeast 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.

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

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

swell 4 to 8 feet. Scattered showers.



$$



AMZ745-260830-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

415 PM AST Mon Jan 25 2021



.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 10 to 15 knots. Seas 2 to 4 feet with

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

.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. Scattered showers.

.WEDNESDAY...East winds 5 to 10 knots backing west in the

afternoon. Seas 3 to 5 feet with occasional seas up to 6 feet.

Dominant period 11 seconds. Northwest swell around 4 feet.

Isolated showers.

.WEDNESDAY NIGHT...Northeast 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.

Northwest swell around 4 feet. Isolated showers.

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

Dominant period 12 seconds. Scattered showers.

.SATURDAY...Northeast winds 10 to 15 knots. Seas 5 to 7 feet with

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

swell 4 to 8 feet. Scattered showers.



$$

