Coastal Waters Forecast
Issued by NWS San Juan, PR

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000
FZCA52 TJSJ 280101
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
901 PM AST Tue Jul 27 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.

AMZ700-281400-
901 PM AST Tue Jul 27 2021

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Moderate east to northeast winds will prevail tonight. A weak trough
on Wednesday will shift winds once again from the east to southeast,
and increase the potential for showers and isolated thunderstorms
across the regional waters through at least Thursday. Generally
tranquil marine conditions will prevail across the local waters
through the upcoming weekend.

$$

AMZ710-281400-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
901 PM AST Tue Jul 27 2021

.REST OF 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.
.WEDNESDAY...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 NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers through the day.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.SATURDAY...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 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ712-281400-
Coastal Waters of Northern Puerto Rico out 10 NM-
901 PM AST Tue Jul 27 2021

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Scattered showers.
.WEDNESDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.WEDNESDAY NIGHT...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.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...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.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SATURDAY...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...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ715-281400-
Coastal Waters of Northern USVI and Culebra out 10 NM-
901 PM AST Tue Jul 27 2021

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Scattered showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Isolated showers.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.

$$

AMZ722-281400-
Anegada Passage Southward to 17N-
901 PM AST Tue Jul 27 2021

.REST OF 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.
.WEDNESDAY...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 NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.SATURDAY...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...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ725-281400-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
901 PM AST Tue Jul 27 2021

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 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 8 seconds. Scattered
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 8 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.

$$

AMZ732-281400-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
901 PM AST Tue Jul 27 2021

.REST OF 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.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Scattered
showers.
.SATURDAY...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...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ735-281400-
Coastal Waters of Southern Puerto Rico out 10 NM-
901 PM AST Tue Jul 27 2021

.REST OF 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.
.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.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers through the day.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers through the night.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.SATURDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ741-281400-
Mona Passage Southward to 17N-
901 PM AST Tue Jul 27 2021

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 8 seconds.
Scattered showers and isolated thunderstorms.
.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.
.WEDNESDAY NIGHT...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.
.THURSDAY...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.
.THURSDAY NIGHT...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.
.FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.
.SATURDAY...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...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
showers.

$$

AMZ742-281400-
Coastal Waters of Northwestern Puerto Rico out 10 NM-
901 PM AST Tue Jul 27 2021

.REST OF 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.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Scattered
showers.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 8 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.

$$

AMZ745-281400-
Coastal Waters of Southwestern Puerto Rico out 10 NM-
901 PM AST Tue Jul 27 2021

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 8 seconds. Isolated showers.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Scattered showers through the night.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 8 seconds. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.
.SATURDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.
.SUNDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 8 seconds. Isolated showers.

$$


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