

380 

FZCA52 TJSJ 191431

CWFSJU



Coastal Waters Forecast

National Weather Service San Juan PR

1031 AM AST Sat Sep 19 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.



AMZ700-200330-

1031 AM AST Sat Sep 19 2020



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

Winds will be light today, then gradually become southerly as Major 

Hurricane Teddy moves northwestward across the Atlantic and stay well

north of the region through the weekend. Northeasterly swells 

generated by Teddy will continue to spread across the regional waters

resulting in extremely hazardous marine conditions through at least 

Monday. Therefore, Small Craft Advisories are in effect for most of 

the waters.



$$



AMZ710-200330-

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

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...



.REST OF TODAY...North winds 5 to 10 knots. Seas 10 to 12 feet

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

Northeast swell 8 to 11 feet. Scattered showers.

.TONIGHT...Northeast winds 5 to 10 knots veering southeast after

midnight. Seas 10 to 12 feet with occasional seas up to 14 feet.

Dominant period 13 seconds. Northeast swell 8 to 11 feet. Isolated

showers.

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

afternoon. Seas 10 to 12 feet with occasional seas up to 14 feet.

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

showers.

.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 8 to 10 feet with

occasional seas up to 13 feet. Dominant period 12 seconds.

Northeast swell 5 to 8 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 up to 5 feet. Isolated showers.

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

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

swell 5 to 8 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.



$$



AMZ712-200330-

Coastal Waters of Northern Puerto Rico out 10 NM-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...



.REST OF TODAY...North winds 5 to 10 knots. Seas 10 to 12 feet

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

Northeast swell 6 to 11 feet. Scattered showers.

.TONIGHT...South winds 5 to 10 knots. Seas 10 to 12 feet with

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

Northeast swell 5 to 10 feet. Isolated showers through the night.

.SUNDAY...South winds 5 to 10 knots backing north in the

afternoon. Seas 10 to 12 feet with occasional seas up to 14 feet.

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

showers through the day. Isolated thunderstorms in the afternoon.

.SUNDAY NIGHT...Southeast winds 5 to 10 knots veering south after

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

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

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

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

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

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

swell 6 to 9 feet. Isolated thunderstorms. Scattered showers.



$$



AMZ715-200330-

Coastal Waters of Northern USVI and Culebra out 10 NM-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...



.REST OF TODAY...South winds 5 to 10 knots veering west in the

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

Dominant period 13 seconds. Northeast swell 5 to 10 feet.

Scattered showers.

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

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

Northeast swell 4 to 9 feet. Isolated showers.

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

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

swell 4 to 8 feet. Scattered showers.

.SUNDAY NIGHT...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. 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. North

swell up to 5 feet. Isolated thunderstorms. 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.



$$



AMZ722-200330-

Anegada Passage Southward to 17N-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...



.REST OF TODAY...Southwest winds 5 to 10 knots. Seas 10 to 12 feet

with occasional seas up to 14 feet. Dominant period 13 seconds.

Northeast swell 6 to 11 feet. Scattered showers.

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

occasional seas up to 13 feet. Dominant period 12 seconds.

Northeast swell 5 to 10 feet. Isolated showers.

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

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

Northeast swell 4 to 8 feet. Isolated showers.

.SUNDAY NIGHT...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 6 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 up to 5 feet. Isolated thunderstorms. 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 5 feet. Scattered showers.

.WEDNESDAY...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 8 feet. Scattered showers.



$$



AMZ725-200330-

Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out

10 NM-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...



.REST OF TODAY...South winds 5 to 10 knots veering southwest in

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

feet. Dominant period 13 seconds. Northeast swell 4 to 8 feet.

Scattered showers.

.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 4 to 8 feet. Isolated showers.

.SUNDAY...South 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 5 feet. Scattered showers.

.SUNDAY NIGHT...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 3 to 5 feet with

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

swell up to 4 feet. Isolated thunderstorms. 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. East

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. East

swell 4 to 7 feet. Scattered showers.



$$



AMZ732-200330-

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

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...



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

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

Dominant period 13 seconds. Northeast swell 4 to 8 feet. Scattered

showers.

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

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

Northeast swell 4 to 8 feet. Isolated showers.

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

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

Northeast swell 4 to 7 feet. Isolated showers.

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

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

East swell 4 to 5 feet. Isolated 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 up to 4 feet. Isolated thunderstorms. Scattered 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 11 seconds.

Northeast swell around 4 feet. Scattered showers.



$$



AMZ735-200330-

Coastal Waters of Southern Puerto Rico out 10 NM-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT SHOULD EXERCISE CAUTION...



.REST OF TODAY...Southeast winds 5 to 10 knots veering southwest

in the afternoon. Seas 4 to 6 feet with occasional seas up to 8

feet. Dominant period 12 seconds. East swell 4 to 5 feet. Isolated

showers.

.TONIGHT...Northeast winds 5 to 10 knots veering east after

midnight. Seas 4 to 6 feet with occasional seas up to 8 feet.

Dominant period 12 seconds. East swell 4 to 5 feet. Scattered

showers through the night.

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

period 11 seconds. Scattered showers.

.SUNDAY NIGHT...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 11 seconds. Isolated thunderstorms. Scattered

showers.

.TUESDAY...East 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.



$$



AMZ741-200330-

Mona Passage Southward to 17N-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...



.REST OF TODAY...Northeast 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 6 feet. Isolated showers.

.TONIGHT...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 7 feet. Isolated showers through the night.

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

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

Northeast swell 4 to 7 feet. Scattered showers.

.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 8 to 10 feet

with occasional seas up to 11 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 up to 5 feet. Isolated thunderstorms, then isolated 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 8 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 5 to 9 feet. Isolated showers.



$$



AMZ742-200330-

Coastal Waters of Northwestern Puerto Rico out 10 NM-

1031 AM AST Sat Sep 19 2020



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...



.REST OF TODAY...North 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 6 feet. Scattered showers.

.TONIGHT...East 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 5 feet. Isolated showers.

.SUNDAY...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. Scattered

showers through the day. Isolated thunderstorms in the afternoon.

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

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

swell up to 5 feet. Isolated thunderstorms, then isolated 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 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.



$$



AMZ745-200330-

Coastal Waters of Southwestern Puerto Rico out 10 NM-

1031 AM AST Sat Sep 19 2020



.REST OF TODAY...Northwest winds 5 to 10 knots. Seas 2 to 4 feet

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

Isolated showers.

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

Dominant period 11 seconds. Scattered showers.

.SUNDAY...Southeast winds 5 to 10 knots veering south in the

afternoon. Seas 1 to 3 feet. Dominant period 12 seconds. Isolated

showers.

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

Dominant period 13 seconds. Isolated showers.

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

Dominant period 13 seconds. Isolated thunderstorms. Scattered

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

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

Northwest swell 4 to 7 feet. Isolated showers.



$$

