Coastal Waters Forecast
Issued by NWS San Juan, PR

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584
FZCA52 TJSJ 192023
CWFSJU

Coastal Waters Forecast
National Weather Service San Juan PR
423 PM AST Mon Feb 19 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.

AMZ700-200915-
423 PM AST Mon Feb 19 2018

.SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...
Building surface high pressure north of the region will produce
hazardous seas across the local waters and all passages much of this
week due to fresh to strong east northeast trade winds

$$

AMZ710-200915-
Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 8 seconds. North
swell around 4 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 8 to 10 feet
with occasional seas up to 11 feet. Dominant Period 8 seconds.
North swell around 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 10 to 12 feet with
occasional seas up to 15 feet. Dominant Period 8 seconds. North
swell 4 to 6 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 10 to 12 feet
with occasional seas up to 15 feet. Dominant Period 10 seconds.
North swell 5 to 6 feet increasing to 6 to 11 feet after midnight.
Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 10 to 12 feet with
occasional seas up to 15 feet. Dominant Period 10 seconds.
Northeast swell 10 to 11 feet. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 10 to 12 feet with
occasional seas up to 14 feet. Dominant Period 12 seconds.
Northeast swell 6 to 11 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 11 seconds.
Northeast swell 5 to 9 feet. Isolated showers.

$$

AMZ712-200915-
Coastal Waters of Northern Puerto Rico out 10 NM-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. Dominant Period 8 seconds.
North swell around 4 feet. Scattered showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 8 seconds. North
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 10 to 12 feet
with occasional seas up to 14 feet. Dominant Period 10 seconds.
North swell 4 to 5 feet increasing to 6 to 11 feet after midnight.
Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 10 to 12 feet with
occasional seas up to 14 feet. Dominant Period 10 seconds.
Northeast swell 9 to 11 feet. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 12 seconds.
Northeast swell 5 to 10 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 11 seconds.
Northeast swell 4 to 8 feet. Scattered showers.

$$

AMZ715-200915-
Coastal Waters of Northern USVI and Culebra out 10 NM-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds.
North swell around 4 feet. Scattered showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 10 seconds. North
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 10 to 12
feet with occasional seas up to 14 feet. Dominant Period 10
seconds. North swell 5 to 10 feet. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 12 seconds. North
swell 5 to 10 feet. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 12 seconds. North
swell 4 to 8 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds. North
swell 4 to 7 feet. Scattered showers.

$$

AMZ722-200915-
Anegada Passage Southward to 17N-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...Northeast winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers.
.TUESDAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. Dominant Period 7 seconds.
North swell around 4 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 10 to 12 feet
with occasional seas up to 14 feet. Dominant Period 8 seconds.
North swell 4 to 6 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 10 to 12
feet with occasional seas up to 15 feet. Dominant Period 10
seconds. North swell 4 to 6 feet shifting to the northeast 6 to 11
feet after midnight. Isolated showers.
.THURSDAY...Northeast winds 20 to 25 knots. Seas 10 to 12 feet
with occasional seas up to 15 feet. Dominant Period 12 seconds.
Northeast swell 6 to 11 feet. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 10 to 12 feet with
occasional seas up to 14 feet. Dominant Period 12 seconds.
Northeast swell 6 to 11 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 11 seconds.
Northeast swell 4 to 9 feet. Scattered showers.

$$

AMZ725-200915-
Coastal Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...Northeast winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. North
swell around 4 feet. Isolated showers.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds.
Northeast swell around 4 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet. Dominant Period 7 seconds.
Northeast swell around 4 feet. Scattered showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 8 seconds. North
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 10
feet with occasional seas up to 13 feet. Dominant Period 10
seconds. Northeast swell 4 to 9 feet. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 12 seconds.
Northeast swell 4 to 9 feet. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 12 seconds.
Northeast swell 4 to 8 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 11 seconds.
Northeast swell 4 to 8 feet. Scattered showers.

$$

AMZ732-200915-
Caribbean Waters of Puerto Rico from 10 NM to 17N-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...Northeast winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 7 seconds. North
swell 4 to 5 feet. Isolated showers through the night.
.TUESDAY...Northeast winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 7 seconds. North
swell 4 to 5 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 10 feet
with occasional seas up to 11 feet. Dominant Period 7 seconds.
North swell around 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 8 seconds. North
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 10 to 12
feet with occasional seas up to 15 feet. Dominant Period 10
seconds. North swell 4 to 5 feet increasing to 5 to 10 feet after
midnight. Scattered showers.
.THURSDAY...Northeast winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 12 seconds.
Northeast swell 5 to 10 feet. Scattered showers.
.FRIDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 13 feet. Dominant Period 12 seconds.
Northeast swell 4 to 9 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 11 seconds. North
swell 4 to 8 feet. Scattered showers.

$$

AMZ735-200915-
Coastal Waters of Southern Puerto Rico out 10 NM-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY Afternoon...

.TONIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. East
swell around 4 feet.
.TUESDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 8 seconds. East
swell around 4 feet.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 7 seconds. East
swell around 4 feet in the evening. Isolated showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 7 seconds. East
swell around 4 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 6 to 8
feet with occasional seas up to 10 feet. Dominant Period 8
seconds. East swell around 4 feet. Isolated showers through the
night.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 7 seconds. Southeast
swell around 4 feet. Isolated showers.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 10 seconds.
Southeast swell 4 to 5 feet. Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 8 seconds. Scattered
showers.

$$

AMZ741-200915-
Mona Passage Southward to 17N-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...Northeast winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 7 seconds.
Northeast swell 4 to 5 feet.
.TUESDAY...Northeast winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 8 seconds. East
swell 4 to 5 feet.
.TUESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 10 feet
with occasional seas up to 11 feet. Dominant Period 7 seconds.
Northeast swell around 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 to 25 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 7 seconds.
Northeast swell 4 to 5 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 10 to 12
feet with occasional seas up to 14 feet. Dominant Period 10
seconds. Northeast swell 4 to 9 feet. Isolated showers through the
night.
.THURSDAY...East winds 15 to 20 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.
.FRIDAY...Northeast winds 15 to 20 knots. Seas 8 to 10 feet with
occasional seas up to 11 feet. Dominant Period 12 seconds.
Northeast swell 4 to 9 feet. Isolated showers.
.SATURDAY...East winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 11 seconds.
Northeast swell 4 to 8 feet. Scattered showers.

$$

AMZ742-200915-
Coastal Waters OF Northwestern Puerto Rico out 10 NM-
423 PM AST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...

.TONIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. Isolated
showers through the night.
.TUESDAY...Northeast winds 20 to 25 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 7 seconds. North
swell around 4 feet in the afternoon. Isolated showers.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet. Dominant Period 8 seconds.
North swell around 4 feet in the evening. Isolated showers.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 8 seconds. North
swell around 4 feet in the afternoon. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 10 to 12
feet with occasional seas up to 14 feet. Dominant Period 10
seconds. North swell 4 to 8 feet. Isolated showers through the
night.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas up to 10 feet. Dominant Period 12 seconds.
Northeast swell 4 to 8 feet. Isolated showers.
.FRIDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas up to 9 feet. Dominant Period 12 seconds. North
swell 4 to 8 feet. Scattered showers.
.SATURDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. Dominant Period 11 seconds.
Northeast swell 4 to 7 feet. Scattered showers.

$$

AMZ745-200915-
Coastal Waters OF Southwestern Puerto Rico out 10 NM-
423 PM AST Mon Feb 19 2018

...Small Craft should exercise caution...

.TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 8 seconds.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas up to 6 feet. Dominant Period 8 seconds.
Isolated 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.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6
feet with occasional seas up to 8 feet. Dominant Period 11
seconds. Northwest swell 4 to 5 feet after midnight. Isolated
showers.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds.
Northwest swell 4 to 5 feet. Isolated showers.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas up to 6 feet. Dominant Period 12 seconds. West
swell around 4 feet. Scattered showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas up to 5 feet. Dominant Period 8 seconds. Scattered
showers.

$$



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