Coastal Waters Forecast
Issued by NWS San Juan, PR

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673
FZCA52 TJSJ 251422
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
1022 AM AST Mon Sep 25 2017

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.

AMZ700-260330-
1022 AM AST Mon Sep 25 2017

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Southeast to east winds will continue the next several days with a
tropical wave approaching from the east. Rain chances will increase
today and Tuesday across the region with locally heavy downpours and
reduced visibilities possible. More seasonable easterly winds will
push into the coastal waters by late Tuesday.

$$

AMZ710-260330-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Scattered showers late in the
morning. Scattered thunderstorms through the day.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Scattered thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Isolated thunderstorms.
.WEDNESDAY...East 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 5 feet. Isolated showers, then isolated thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 13 seconds.
Northeast swell 4 to 5 feet. Isolated thunderstorms, then isolated
showers.
.FRIDAY...East 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 5 feet. Scattered showers. Isolated thunderstorms.

$$

AMZ712-260330-
Coastal Waters of Northern Puerto Rico out 10 NM-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...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 and isolated
thunderstorms.
.TONIGHT...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 5 feet. Scattered thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northwest swell around 4 feet. Isolated thunderstorms in the
evening, then isolated showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Isolated showers, then isolated
thunderstorms.
.THURSDAY...East 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 5 feet. Scattered showers and isolated
thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell around 4 feet. Scattered showers and isolated
thunderstorms.

$$

AMZ715-260330-
Coastal Waters of Northern USVI and Culebra out 10 NM-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 11 seconds.
Northwest swell around 4 feet. Scattered thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northwest swell around 4 feet. Scattered thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northwest swell around 4 feet. Isolated showers.
.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 around 4 feet. Scattered showers. Isolated thunderstorms.
.THURSDAY...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 thunderstorms. Scattered showers.
.FRIDAY...East 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. Scattered showers and isolated thunderstorms.

$$

AMZ722-260330-
Anegada Passage Southward to 17N-
1022 AM AST Mon Sep 25 2017

...Small Craft should exercise caution...

.REST OF TODAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 10 seconds.
Northeast swell around 4 feet. Numerous showers late in the
morning. Scattered thunderstorms through the day.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Scattered showers in the evening. Isolated thunderstorms through
the night.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 12 seconds.
Northeast swell around 4 feet. Isolated thunderstorms in the
morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northeast swell around 4 feet. Isolated showers.
.WEDNESDAY...East 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 5 feet. Scattered showers and isolated
thunderstorms.
.THURSDAY...East 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. Isolated thunderstorms. Scattered
showers.
.FRIDAY...East winds 10 to 15 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, then isolated
showers.

$$

AMZ725-260330-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 11 seconds.
Scattered thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds.
Scattered thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds.
Scattered showers in the morning. Isolated thunderstorms through
the day.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds.
Southeast swell around 4 feet. Scattered showers. Isolated
thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell around 4 feet. Scattered showers. Isolated
thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northeast swell around 4 feet. Scattered showers and isolated
thunderstorms.

$$

AMZ732-260330-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 11 seconds.
East swell around 4 feet. Scattered thunderstorms.
.TONIGHT...East 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. Scattered showers in the evening. Isolated
thunderstorms through the night.
.TUESDAY...East 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. Isolated showers.
.TUESDAY NIGHT...East 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. Isolated showers.
.WEDNESDAY...East winds 10 to 15 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.
.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 4 to 5 feet. Isolated thunderstorms. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds. East
swell around 4 feet. Isolated thunderstorms.

$$

AMZ735-260330-
Coastal Waters of Southern Puerto Rico out 10 NM-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant Period 11 seconds.
Scattered thunderstorms through the day. Scattered showers in the
afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds.
Southeast swell around 4 feet after midnight. Scattered
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Southeast swell around 4 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Southeast swell around 4 feet. Isolated thunderstorms in the
evening, then isolated showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Southeast swell around 4 feet. Isolated showers, then isolated
thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 11 seconds.
Southeast swell around 4 feet. Scattered showers and isolated
thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers and isolated thunderstorms.

$$

AMZ741-260330-
Mona Passage Southward to 17N-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Scattered showers and isolated
thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Scattered thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Isolated thunderstorms in the
morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds.
Northwest swell 4 to 5 feet. Isolated showers.
.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 around 4 feet. Isolated showers.
.THURSDAY...East 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 5 feet. Isolated thunderstorms. Scattered showers.
.FRIDAY...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. Scattered showers and isolated thunderstorms.

$$

AMZ742-260330-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast 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 and isolated
thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Scattered thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Scattered thunderstorms through the
day. Scattered showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Isolated thunderstorms in the
evening. Scattered showers through the night.
.WEDNESDAY...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. Isolated 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 and isolated thunderstorms.
.FRIDAY...East 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. Scattered thunderstorms.

$$

AMZ745-260330-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
1022 AM AST Mon Sep 25 2017

.REST OF TODAY...Southeast winds 10 to 15 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. Scattered showers
and isolated thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Scattered thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell around 4 feet. Scattered thunderstorms through the
day. Scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 11 seconds.
Northwest swell around 4 feet. Isolated showers.
.WEDNESDAY...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. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 10 seconds.
Scattered showers and isolated thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
Period 11 seconds. Scattered thunderstorms.

$$



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