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FZCA52 TJSJ 200743

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

343 AM AST Sun Sep 20 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.



AMZ700-202045-

343 AM AST Sun Sep 20 2020



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

Winds will gradually become southerly as Major Hurricane Teddy moves

northwestward across the Atlantic and stay well north of the region 

through early in the week. Northeasterly swells generated by Teddy 

will continue to spread across the regional waters resulting in 

extremely hazardous marine conditions through at least Monday, and

another second pulse of the swell is expected from Tuesday through

the end of the week. 



$$



AMZ710-202045-

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

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...



.TODAY...Southwest winds 5 to 10 knots. Seas 8 to 10 feet with

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

Northeast swell 6 to 9 feet. Isolated showers.

.TONIGHT...Southwest winds 5 to 10 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 12 seconds.

Northeast swell 5 to 8 feet. Isolated showers.

.MONDAY...Southwest 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. Isolated showers.

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

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

swell around 5 feet. Isolated showers.

.TUESDAY...Southeast winds 5 to 10 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 12 seconds. North

swell 5 to 9 feet. Isolated thunderstorms. Scattered showers.

.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 8 to 10 feet with

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

swell 8 to 9 feet. Scattered showers.

.THURSDAY...East winds 5 to 10 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 14 seconds. North

swell 6 to 8 feet. Isolated showers.



$$



AMZ712-202045-

Coastal Waters of Northern Puerto Rico out 10 NM-

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...



.TODAY...Southwest winds 5 to 10 knots veering northwest in the

afternoon. Seas 8 to 10 feet with occasional seas up to 13 feet.

Dominant period 13 seconds. Northeast swell 6 to 9 feet. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

.TONIGHT...South winds 5 to 10 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 12 seconds.

Northeast swell 5 to 8 feet. Isolated showers.

.MONDAY...Southwest winds 5 to 10 knots backing northeast in the

afternoon. Seas 5 to 7 feet with occasional seas up to 9 feet.

Dominant period 12 seconds. North swell 5 to 7 feet. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

.MONDAY NIGHT...South 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. Isolated showers.

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

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

swell 4 to 8 feet. Isolated thunderstorms. Scattered showers.

.WEDNESDAY...South winds 5 to 10 knots. Seas 8 to 10 feet with

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

swell 7 to 9 feet. Isolated thunderstorms. Scattered showers.

.THURSDAY...Southeast winds 5 to 10 knots. Seas 8 to 10 feet with

occasional seas up to 11 feet. Dominant period 14 seconds. North

swell 6 to 8 feet. Isolated thunderstorms. Scattered showers.



$$



AMZ715-202045-

Coastal Waters of Northern USVI and Culebra out 10 NM-

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...



.TODAY...South 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 8 feet. Isolated showers.

.TONIGHT...Southwest winds 5 to 10 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.

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

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

swell 4 to 6 feet. Scattered showers and isolated thunderstorms.

.MONDAY NIGHT...South 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.

.TUESDAY...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 7 feet. Isolated thunderstorms. Scattered showers.

.WEDNESDAY...Southeast 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 9 feet. Scattered showers.

.THURSDAY...East 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 8 feet. Isolated thunderstorms. Scattered showers.



$$



AMZ722-202045-

Anegada Passage Southward to 17N-

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...



.TODAY...South 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.

.TONIGHT...South 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...South 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.

.MONDAY NIGHT...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. Isolated showers.

.TUESDAY...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 6 feet. Scattered showers.

.WEDNESDAY...East 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 9 feet. Scattered showers.

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

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

swell 4 to 7 feet. Scattered showers.



$$



AMZ725-202045-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM AST THIS AFTERNOON...



.TODAY...South winds 5 to 10 knots. Seas 4 to 7 feet with occasional

seas up to 8 feet. Dominant period 12 seconds. Northeast swell 4 to 

5 feet. Scattered showers.

.TONIGHT...South 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. Isolated showers.

.MONDAY...South 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 and isolated

thunderstorms.

.MONDAY NIGHT...South 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. Scattered showers.

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

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

Northeast swell 4 to 5 feet. Isolated thunderstorms. Scattered

showers.

.WEDNESDAY...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.

.THURSDAY...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 7 feet. Isolated thunderstorms. Scattered

showers.



$$



AMZ732-202045-

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

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...



.TODAY...South 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 7 feet. Isolated showers.

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

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

swell 4 to 6 feet. Isolated showers.

.MONDAY...South 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.

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

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

East swell around 4 feet in the evening. Isolated showers.

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

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

Scattered showers.

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

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

Northeast swell around 4 feet. Scattered showers.

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

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

swell around 4 feet. Scattered showers.



$$



AMZ735-202045-

Coastal Waters of Southern Puerto Rico out 10 NM-

343 AM AST Sun Sep 20 2020



.TODAY...Northwest winds 5 to 10 knots backing south in the

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

showers.

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

Dominant period 10 seconds. Isolated showers.

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

Dominant period 10 seconds. Scattered showers and isolated

thunderstorms.

.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 11 seconds. Isolated showers.

.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 11 seconds. Isolated thunderstorms. Scattered

showers.

.WEDNESDAY...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. Scattered showers.

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

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

Southeast swell around 4 feet. Scattered showers.



$$



AMZ741-202045-

Mona Passage Southward to 17N-

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...



.TODAY...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 7 feet. Isolated showers.

.TONIGHT...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 7 feet. Isolated showers.

.MONDAY...South winds 5 to 10 knots. Seas 6 to 8 feet with

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

Northeast swell 4 to 7 feet. Isolated thunderstorms in the

morning, then isolated showers in the afternoon.

.MONDAY NIGHT...Southeast winds around 10 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.

.TUESDAY...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 8 feet. Isolated thunderstorms. Scattered showers.

.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 8 to 10 feet

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

North swell 5 to 9 feet. Isolated showers.

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

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

swell 4 to 9 feet. Isolated showers.



$$



AMZ742-202045-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

343 AM AST Sun Sep 20 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...



.TODAY...Southeast winds 5 to 10 knots veering southwest in the

afternoon. Seas 6 to 8 feet with occasional seas up to 10 feet.

Dominant period 12 seconds. Northeast swell 4 to 7 feet. Isolated

showers.

.TONIGHT...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 7 feet. Isolated showers.

.MONDAY...South winds 5 to 10 knots. Seas 6 to 8 feet with

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

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

thunderstorms in the afternoon.

.MONDAY NIGHT...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 5 feet. Isolated showers.

.TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with

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

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

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

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

swell 4 to 8 feet. Isolated thunderstorms, then isolated showers.

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

occasional seas up to 9 feet. Dominant period 14 seconds. North

swell 4 to 8 feet. Isolated thunderstorms. Scattered showers.



$$



AMZ745-202045-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

343 AM AST Sun Sep 20 2020



.TODAY...East winds 5 to 10 knots veering south in the afternoon.

Seas 2 feet or less. Dominant period 12 seconds. Isolated showers.

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

Dominant period 13 seconds. Isolated showers.

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

Dominant period 13 seconds. Scattered showers through the day.

Isolated thunderstorms in the afternoon.

.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.

Dominant period 12 seconds. Isolated showers.

.TUESDAY...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 5 feet. Isolated thunderstorms, then isolated showers.

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

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

swell 4 to 8 feet. Isolated showers.

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

occasional seas up to 9 feet. Dominant period 14 seconds.

Northwest swell 4 to 8 feet. Scattered showers.



$$

