

875 

FZCA52 TJSJ 162005

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

405 PM AST Wed Sep 16 2020



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.



AMZ700-170830-

405 PM AST Wed Sep 16 2020



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

Gentle to moderate winds will persist across the islands of Puerto 

Rico and the U.S. Virgin islands. Hurricane Teddy will continue to 

move northwestward across the Atlantic far away from the forecast 

area. However, a northeasterly swell associated with the 

aforementioned system is forecast to arrive tomorrow afternoon, 

deteriorating the marine conditions and becoming hazardous through 

the weekend.



$$



AMZ710-170830-

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

405 PM AST Wed Sep 16 2020



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

MONDAY MORNING...



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

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

swell 4 to 5 feet. Isolated showers.

.THURSDAY...Northeast winds 10 to 15 knots. Seas 6 to 8 feet with

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

Northeast swell 4 to 7 feet. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 6 to 8 feet

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

East swell 4 to 8 feet. Isolated thunderstorms in the evening.

Scattered showers through the night.

.FRIDAY...Northeast winds 10 to 15 knots. Seas 6 to 8 feet with

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

swell 4 to 8 feet. Scattered showers.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 6 to 8 feet

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

East swell 5 to 8 feet. Isolated showers.

.SATURDAY...Southeast winds 5 to 10 knots. Seas 6 to 8 feet with

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

Northeast swell 4 to 8 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 6 to 8 feet with

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

Northeast swell 5 to 8 feet. Isolated showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 5 to 7 feet with

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

swell 5 to 6 feet. Scattered showers. Isolated thunderstorms.



$$



AMZ712-170830-

Coastal Waters of Northern Puerto Rico out 10 NM-

405 PM AST Wed Sep 16 2020



.TONIGHT...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 after midnight. Scattered showers.

.THURSDAY...Northeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

Northeast swell around 4 feet. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

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

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

Northeast swell around 4 feet. Numerous showers and isolated

thunderstorms.

.FRIDAY...Northeast winds 5 to 10 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.

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

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

Northeast swell 4 to 5 feet. Isolated showers.

.SATURDAY...Southeast winds 5 to 10 knots. Seas 6 to 8 feet with

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

Northeast swell 4 to 8 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 6 to 8 feet with

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

Northeast swell 5 to 8 feet. Isolated showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 5 to 7 feet with

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

swell 5 to 6 feet. Scattered showers. Isolated thunderstorms.



$$



AMZ715-170830-

Coastal Waters of Northern USVI and Culebra out 10 NM-

405 PM AST Wed Sep 16 2020



...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH

MONDAY MORNING...



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

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

showers through the night.

.THURSDAY...Northeast 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. Scattered showers through the day. Isolated

thunderstorms in the afternoon.

.THURSDAY NIGHT...East 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 7 feet. Isolated thunderstorms in the evening.

Scattered showers through the night.

.FRIDAY...Northeast winds 5 to 10 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.

.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 6 to 8 feet

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

North swell 4 to 7 feet. Isolated showers.

.SATURDAY...South winds 5 to 10 knots. Seas 5 to 7 feet with

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

Northeast swell 4 to 7 feet. Scattered showers.

.SUNDAY...Southeast winds 5 to 10 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.

.MONDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet with

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

swell 4 to 5 feet. Scattered showers and isolated thunderstorms.



$$



AMZ722-170830-

Anegada Passage Southward to 17N-

405 PM AST Wed Sep 16 2020



...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH

MONDAY MORNING...



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

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

swell around 4 feet after midnight. Scattered showers.

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

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

Northeast swell 4 to 5 feet. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

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

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

swell 4 to 7 feet. Isolated thunderstorms in the evening.

Scattered showers through the night.

.FRIDAY...East winds 5 to 10 knots. Seas 6 to 8 feet with

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

Northeast swell 4 to 8 feet. Scattered showers.

.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 6 to 8 feet

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

Northeast swell 4 to 8 feet. Isolated showers.

.SATURDAY...South winds 5 to 10 knots. Seas 5 to 7 feet with

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

Northeast swell 4 to 8 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 5 to 7 feet with

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

swell 4 to 7 feet. Isolated showers.

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

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

swell 4 to 5 feet. Scattered showers and isolated thunderstorms.



$$



AMZ725-170830-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

405 PM AST Wed Sep 16 2020



...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH

MONDAY MORNING...



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

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

showers through the night.

.THURSDAY...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 through the day. Isolated

thunderstorms in the afternoon.

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

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

swell 4 to 7 feet. Isolated thunderstorms in the evening.

Scattered showers through the night.

.FRIDAY...Northeast winds 5 to 10 knots. Seas 5 to 7 feet with

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

swell 4 to 7 feet. Scattered showers.

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

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

swell 4 to 7 feet. Isolated showers.

.SATURDAY...South winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 7 feet. Scattered showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

Northeast swell 4 to 5 feet. Scattered showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

swell around 4 feet. Scattered showers and isolated thunderstorms.



$$



AMZ732-170830-

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

405 PM AST Wed Sep 16 2020



.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 through the night.

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

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

swell around 4 feet in the afternoon. Isolated showers.

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

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

swell around 4 feet. Isolated thunderstorms in the evening.

Scattered showers through the night.

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

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

swell around 4 feet. Scattered showers.

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

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

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

.SATURDAY...South winds 5 to 10 knots. Seas 5 to 7 feet with

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

Northeast swell 4 to 7 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet with

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

swell 4 to 6 feet. Isolated showers.

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

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

Southeast swell around 4 feet. Isolated thunderstorms.



$$



AMZ735-170830-

Coastal Waters of Southern Puerto Rico out 10 NM-

405 PM AST Wed Sep 16 2020



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

Dominant period 7 seconds. Isolated showers through the night.

.THURSDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 8 seconds. Scattered showers through the day. Isolated

thunderstorms in the afternoon.

.THURSDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 10 seconds. Isolated thunderstorms in the evening.

.FRIDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 12 seconds. Scattered showers.

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

Dominant period 12 seconds. Isolated showers.

.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with

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

swell up to 4 feet. Isolated showers.

.SUNDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 11 seconds. Isolated showers.

.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 10 seconds. Scattered showers. Isolated thunderstorms.



$$



AMZ741-170830-

Mona Passage Southward to 17N-

405 PM AST Wed Sep 16 2020



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

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

Northeast swell around 4 feet after midnight. 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.

Northeast swell around 4 Feet.

.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet

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

Isolated thunderstorms in the evening.

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

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

Northeast swell around 4 feet. Isolated showers.

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

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

Northeast swell 4 to 5 feet. Isolated showers.

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

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

Northeast swell up to 5 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 5 to 7 feet with

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

Northeast swell 4 to 7 feet. Isolated showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet with

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

swell 4 to 7 feet. Isolated showers.



$$



AMZ742-170830-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

405 PM AST Wed Sep 16 2020



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

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

showers through the night.

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

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

showers through the day.

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

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

Isolated thunderstorms in the evening, then isolated showers after

midnight.

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

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

swell around 4 feet. Scattered showers.

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

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

North swell around 4 feet. Isolated showers.

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

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

Northeast swell up to 4 feet. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet with

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

Northeast swell 4 to 7 feet. Scattered showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with

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

swell 4 to 7 feet. Isolated thunderstorms. Scattered showers.



$$



AMZ745-170830-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

405 PM AST Wed Sep 16 2020



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

Dominant period 10 seconds. Isolated showers.

.THURSDAY...East winds 10 to 15 knots veering southwest in the

afternoon. Seas 1 to 3 feet. Dominant period 11 seconds.

.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3

feet. Dominant period 10 seconds.

.FRIDAY...North winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 10 seconds. Scattered showers.

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

Dominant period 11 seconds. Isolated showers.

.SATURDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant

period 11 seconds. Isolated showers.

.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 feet or less.

Dominant period 12 seconds. Isolated showers.

.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet with

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

Northwest swell around 4 feet. Isolated showers.



$$

