Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
035 FZCA52 TJSJ 152044 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 444 PM AST Sat Nov 15 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-161000- 444 PM AST Sat Nov 15 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... Due to the proximity of a pre-frontal trough to the north, a variable light to gentle breeze will persist over the next few days. Pulses of northerly swells and increasing easterly winds will likely deteriorate marine conditions early next week. In the meantime, strong showers and isolated thunderstorms could generate locally hazardous conditions for small craft. $$ AMZ711-161000- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 444 PM AST Sat Nov 15 2025 .TONIGHT...Northeast winds around 5 knots, becoming southeast after midnight. Seas 3 to 4 feet. Wave Detail: East 2 feet at 8 seconds and north 2 feet at 9 seconds. Isolated thunderstorms. Scattered showers early this evening, then showers late this evening and overnight. .SUNDAY...South winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and east 2 feet at 8 seconds. Numerous showers, mainly in the morning. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 11 seconds and east 2 feet at 7 seconds. Scattered showers. .MONDAY...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 10 seconds and southeast 2 feet at 4 seconds. Scattered showers in the morning. .MONDAY NIGHT...East winds 5 to 10 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 4 seconds and north 3 feet at 10 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 4 seconds and north 3 feet at 10 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas around 5 feet. Scattered showers in the morning. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 5 feet. Scattered showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Scattered showers in the morning. .THURSDAY NIGHT...Northeast winds around 15 knots. Seas around 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ712-161000- Coastal Waters of Northern Puerto Rico out 10 NM- 444 PM AST Sat Nov 15 2025 .TONIGHT...West winds around 5 knots, becoming south late this evening and overnight. Seas around 3 feet. Wave Detail: East 2 feet at 8 seconds and north 2 feet at 9 seconds. Isolated thunderstorms. .SUNDAY...South winds around 5 knots, becoming east in the afternoon. Seas around 3 feet. Wave Detail: North 2 feet at 8 seconds and northeast 2 feet at 13 seconds. Numerous showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and northeast 2 feet at 14 seconds. Scattered showers in the evening. .MONDAY...Southeast winds around 5 knots, becoming northeast in the afternoon. Seas around 4 feet. Wave Detail: North 3 feet at 10 seconds and northeast 2 feet at 15 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet. Wave Detail: North 3 feet at 10 seconds and east 2 feet at 4 seconds. Scattered showers after midnight. .TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 4 feet. Wave Detail: East 3 feet at 4 seconds and north 3 feet at 10 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas around 5 feet. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ716-161000- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 444 PM AST Sat Nov 15 2025 .TONIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Northwest 3 feet at 9 seconds and northeast 2 feet at 13 seconds. Isolated showers early this evening, then scattered showers with isolated thunderstorms late this evening and overnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 9 seconds and northeast 2 feet at 13 seconds. Numerous showers, mainly in the morning. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 3 seconds. Scattered showers. .MONDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 3 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 10 seconds and east 2 feet at 4 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 10 seconds and east 2 feet at 4 seconds. Scattered showers. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Scattered showers. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers in the morning. .THURSDAY NIGHT...Northeast winds around 15 knots. Seas 4 to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ723-161000- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 444 PM AST Sat Nov 15 2025 .TONIGHT...Southeast winds around 5 knots, increasing to 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 12 seconds and southeast 1 foot at 4 seconds. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and northeast 2 feet at 13 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and northeast 2 feet at 15 seconds. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and northeast 2 feet at 14 seconds. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 13 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 5 seconds and northeast 2 feet at 14 seconds. Scattered showers. .TUESDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Scattered showers. .WEDNESDAY...East winds around 15 knots. Seas 4 to 5 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds around 15 knots. Seas 4 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Seas around 4 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 4 feet. $$ AMZ726-161000- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 444 PM AST Sat Nov 15 2025 .TONIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 1 foot at 4 seconds and east 1 foot at 8 seconds. Isolated showers early this evening, then isolated thunderstorms late this evening and early morning. Scattered showers late this evening and overnight. .SUNDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and east 1 foot at 7 seconds. Numerous showers, mainly in the morning. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 7 seconds. Scattered showers after midnight. .MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 7 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ733-161000- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 444 PM AST Sat Nov 15 2025 .TONIGHT...East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds and east 1 foot at 8 seconds. Isolated showers this evening, then scattered showers after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds and east 1 foot at 8 seconds. Scattered showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 7 seconds. .MONDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and east 1 foot at 7 seconds. Scattered showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast 1 foot at 11 seconds. Scattered showers. .TUESDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet. .WEDNESDAY NIGHT...Northeast winds around 15 knots. Seas around 4 feet. .THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 4 feet. $$ AMZ735-161000- Coastal Waters of Southern Puerto Rico out 10 NM- 444 PM AST Sat Nov 15 2025 .TONIGHT...East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 6 seconds. Numerous showers with isolated thunderstorms. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 6 seconds. Scattered showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 7 seconds. .MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 7 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Scattered showers after midnight. .TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. .THURSDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ AMZ741-161000- Mona Passage Southward to 17N- 444 PM AST Sat Nov 15 2025 .TONIGHT...Northeast winds around 5 knots, becoming southeast around 5 knots late. Seas 2 to 3 feet. Wave Detail: East 2 feet at 7 seconds and north 2 feet at 9 seconds. Scattered showers this evening. Isolated thunderstorms. Numerous showers after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 8 seconds and southeast 1 foot at 5 seconds. Scattered showers in the morning. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and north 2 feet at 9 seconds. Scattered showers in the evening. .MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 4 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 7 seconds and north 3 feet at 10 seconds. Scattered showers. .TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and north 3 feet at 8 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ742-161000- Coastal Waters of Northwestern Puerto Rico out 10 NM- 444 PM AST Sat Nov 15 2025 .TONIGHT...North winds around 5 knots, becoming east late this evening and overnight. Seas 2 to 3 feet. Wave Detail: North 3 feet at 9 seconds and south 1 foot at 5 seconds. Numerous showers with isolated thunderstorms. .SUNDAY...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 9 seconds and south 1 foot at 4 seconds. Scattered showers. .SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 11 seconds and northeast 2 feet at 13 seconds. Scattered showers in the evening. .MONDAY...Southeast winds around 5 knots, becoming north in the afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 11 seconds and northeast 2 feet at 13 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: North 3 feet at 10 seconds and northeast 2 feet at 14 seconds. Scattered showers in the evening. .TUESDAY...East winds around 5 knots, becoming northeast with gusts up to 20 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 9 seconds and northeast 2 feet at 14 seconds. Numerous showers in the afternoon. .TUESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ745-161000- Coastal Waters of Southwestern Puerto Rico out 10 NM- 444 PM AST Sat Nov 15 2025 .TONIGHT...North winds around 5 knots, becoming east around 5 knots late this evening and overnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 9 seconds and south 1 foot at 5 seconds. Isolated thunderstorms. Scattered showers this evening, then numerous showers after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 9 seconds and south 1 foot at 5 seconds. Scattered showers in the morning. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 8 seconds and south 1 foot at 4 seconds. Scattered showers in the evening. .MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northwest 3 feet at 11 seconds and south 1 foot at 4 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northwest 3 feet at 10 seconds and southeast 1 foot at 4 seconds. .TUESDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 9 seconds and south 1 foot at 5 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. .THURSDAY...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$