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FZCA52 TJSJ 160102
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
902 PM AST Wed Aug 15 2018

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.

AMZ700-161345-
902 PM AST Wed Aug 15 2018

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Surface high pressure systems across the northeast and western
Atlantic will promote moderate easterly winds over the regional
waters for the next several days. This will result in a light to
moderate chop across most of the local waters and passages. A
tropical wave is forecast to affect the regional waters late tonight
through Thursday, increasing the chance for thunderstorm activity
with areas of locally heavy rainfall. Another tropical wave will move
through on Sunday with unsettled weather continuing into Monday.

$$

AMZ710-161345-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
thunderstorms in the evening. Scattered showers through the night.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Northeast swell around 4 feet. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. East
swell around 4 feet. Scattered showers and isolated thunderstorms.

$$

AMZ712-161345-
Coastal Waters of Northern Puerto Rico out 10 NM-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Numerous
showers through the day. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
thunderstorms in the evening. Scattered 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 7 seconds. Scattered
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 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.
.MONDAY...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.

$$

AMZ715-161345-
Coastal Waters of Northern USVI and Culebra out 10 NM-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 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 7 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers and isolated thunderstorms.

$$

AMZ722-161345-
Anegada Passage Southward to 17N-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 8 seconds. Isolated
thunderstorms. Scattered showers.

$$

AMZ725-161345-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Scattered showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Numerous
showers through the day. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds.
Scattered showers.
.MONDAY...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.

$$

AMZ732-161345-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Scattered showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. East
swell around 4 feet. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds.
Southeast swell around 4 feet. Scattered showers and isolated
thunderstorms.

$$

AMZ735-161345-
Coastal Waters of Southern Puerto Rico out 10 NM-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
showers.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 10 seconds. Isolated
thunderstorms. Scattered showers.

$$

AMZ741-161345-
Mona Passage Southward to 17N-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant period 7 seconds.
Isolated showers.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
thunderstorms in the evening, then isolated showers after
midnight.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers in the morning, then isolated thunderstorms in the
afternoon.
.FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. East
swell around 4 feet. Isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant period 10 seconds. East
swell around 4 feet. Scattered showers. Isolated thunderstorms.

$$

AMZ742-161345-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas up to 5 feet. Dominant period 7 seconds.
Isolated thunderstorms early in the evening. Scattered 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 7 seconds. Numerous
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 7 seconds. Isolated
thunderstorms in the evening. Scattered showers through the night.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Scattered
showers through the day. Isolated thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
thunderstorms, then isolated showers.
.SUNDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then isolated showers.
.MONDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then isolated showers.

$$

AMZ745-161345-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
902 PM AST Wed Aug 15 2018

.REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 feet or less.
Dominant period 7 seconds. Isolated thunderstorms early in the
evening. Scattered showers through the night.
.THURSDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Scattered showers.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers in the morning, then isolated
thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet.
Dominant period 7 seconds. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant period 7 seconds. Isolated
showers.
.SUNDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated showers.
.MONDAY...East winds 5 to 10 knots. Seas 1 to 3 feet. Dominant
period 7 seconds. Isolated thunderstorms, then isolated showers.

$$
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