Coastal Waters Forecast
Issued by NWS San Juan, PR

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FZCA52 TJSJ 081356
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
956 AM AST Sat May 8 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.

AMZ700-090215-
956 AM AST Sat May 8 2021

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
A surface high pressure across the central Atlantic will continue to
promote moderate easterly winds across the regional waters and local
passages through Sunday with seas of up to 5 feet expected. A
tropical wave is forecast to cross the eastern Caribbean late tonight
and approach Puerto Rico and the U.S. Virgin Islands late Sunday,
increasing shower and isolated thunderstorm activity across portions
of the local waters.

$$

AMZ710-090215-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 12 seconds.
Northeast swell around 4 feet. Isolated showers.

$$

AMZ712-090215-
Coastal Waters of Northern Puerto Rico out 10 NM-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. 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 around 4 feet. Isolated showers.

$$

AMZ715-090215-
Coastal Waters of Northern USVI and Culebra out 10 NM-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
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 around 4 feet. Scattered showers.

$$

AMZ722-090215-
Anegada Passage Southward to 17N-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers through the day.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Isolated
thunderstorms. Scattered showers.
.TUESDAY...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...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.

$$

AMZ725-090215-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 11 seconds. Isolated
showers.

$$

AMZ732-090215-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ735-090215-
Coastal Waters of Southern Puerto Rico out 10 NM-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers through the day.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers through the day.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ741-090215-
Mona Passage Southward to 17N-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers through the day.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers through the night.
.SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers and isolated thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.TUESDAY...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 11 seconds. East
swell around 4 feet. Isolated showers.

$$

AMZ742-090215-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 5 to 10 knots backing north in the
afternoon. Seas 1 to 3 feet. Dominant period 8 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers through the night.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Numerous
showers and isolated thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 12 seconds. Isolated
showers.

$$

AMZ745-090215-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
956 AM AST Sat May 8 2021

.REST OF TODAY...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 8 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
thunderstorms. Scattered showers.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.

$$


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