Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
527 FZCA52 TJSJ 102030 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 430 PM AST Mon Nov 10 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-110915- 430 PM AST Mon Nov 10 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A surface high pressure over the north central Atlantic will promote moderate to locally fresh easterly winds for the next few days, maintaining choppy seas. A north-northwesterly swell will bring hazardous marine conditions across the local waters and passages by late Wednesday and Thursday. $$ AMZ711-110915- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 430 PM AST Mon Nov 10 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 12 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 12 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds and north 1 foot at 13 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet. Wave Detail: East 4 feet at 8 seconds and north 1 foot at 15 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, building to 5 to 7 feet after midnight. Wave Detail: East 4 feet at 8 seconds and northwest 2 feet at 12 seconds, becoming northwest 5 feet at 12 seconds and east 4 feet at 8 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 6 to 7 feet. Wave Detail: Northwest 5 feet at 12 seconds and east 4 feet at 8 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 7 feet. .FRIDAY...East winds 5 to 10 knots. Seas around 5 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet. .SATURDAY...Southeast winds around 5 knots, becoming northeast around 5 knots in the afternoon. Seas around 4 feet. Scattered showers in the morning. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas 3 to 4 feet. Scattered showers. $$ AMZ712-110915- Coastal Waters of Northern Puerto Rico out 10 NM- 430 PM AST Mon Nov 10 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet. Wave Detail: East 4 feet at 7 seconds. Isolated showers. .TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds and north 1 foot at 12 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds and north 1 foot at 13 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 1 foot at 14 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds and northwest 4 feet at 13 seconds. Scattered showers. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas around 6 feet. Wave Detail: Northwest 5 feet at 12 seconds and east 4 feet at 8 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots, diminishing to 5 to 10 knots after midnight. Seas 5 to 6 feet. .FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet. .SATURDAY...Southeast winds around 5 knots, becoming north in the afternoon. Seas 3 to 4 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas 3 to 4 feet. Scattered showers. $$ AMZ716-110915- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 430 PM AST Mon Nov 10 2025 .TONIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds and north 2 feet at 10 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds and north 1 foot at 12 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds and north 1 foot at 12 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and north 1 foot at 13 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds and northeast 1 foot at 15 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 13 seconds and east 3 feet at 5 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. .FRIDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .SATURDAY...Southeast winds around 5 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...Northeast winds around 5 knots in the evening, becoming light and variable. Seas 2 to 3 feet. $$ AMZ723-110915- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 430 PM AST Mon Nov 10 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: East 5 feet at 6 seconds and north 1 foot at 12 seconds. Isolated showers. .TUESDAY...East winds around 15 knots, diminishing to around 10 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds and north 1 foot at 12 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 7 seconds and north 1 foot at 12 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 6 seconds and north 1 foot at 15 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and north 1 foot at 15 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at 14 seconds. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .SATURDAY...Southeast winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas around 3 feet. .SATURDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Scattered showers. $$ AMZ726-110915- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 430 PM AST Mon Nov 10 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots with gusts up to 20 knots late. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. Isolated showers early this evening, then scattered showers late this evening and early morning. Isolated showers late. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers after midnight. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Scattered showers. .FRIDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. .SATURDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet. $$ AMZ733-110915- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 430 PM AST Mon Nov 10 2025 .TONIGHT...East winds around 15 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers after midnight. .WEDNESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas around 4 feet. Wave Detail: Northeast 4 feet at 7 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 6 seconds. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. .SATURDAY...East winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 2 to 3 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet. $$ AMZ735-110915- Coastal Waters of Southern Puerto Rico out 10 NM- 430 PM AST Mon Nov 10 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers after midnight. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Gusts up to 25 knots. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. .THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet. .FRIDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .SATURDAY...East winds around 5 knots. Seas around 2 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet. $$ AMZ741-110915- Mona Passage Southward to 17N- 430 PM AST Mon Nov 10 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots late this evening and early morning, then diminishing to 10 to 15 knots late. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 7 seconds and north 2 feet at 10 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and northwest 2 feet at 12 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 5 feet. Wave Detail: East 4 feet at 6 seconds and north 4 feet at 12 seconds. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .SATURDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas around 3 feet. $$ AMZ742-110915- Coastal Waters of Northwestern Puerto Rico out 10 NM- 430 PM AST Mon Nov 10 2025 .TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 7 seconds. .TUESDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 7 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and northwest 1 foot at 11 seconds. .THURSDAY...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 12 seconds and northeast 2 feet at 5 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet. .FRIDAY...East winds around 5 knots. Seas 3 to 4 feet. .FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet. .SATURDAY...Southeast winds around 5 knots, becoming west in the afternoon. Seas 2 to 3 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet. Scattered showers. $$ AMZ745-110915- Coastal Waters of Southwestern Puerto Rico out 10 NM- 430 PM AST Mon Nov 10 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots with gusts up to 20 knots late this evening and overnight. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds and northwest 1 foot at 10 seconds. .TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds and northwest 1 foot at 9 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds and northwest 1 foot at 8 seconds. .WEDNESDAY...East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds and north 1 foot at 7 seconds. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and north 1 foot at 5 seconds. .THURSDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northwest 4 feet at 11 seconds and south 2 feet at 6 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. .FRIDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. .FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. .SATURDAY NIGHT...Northeast winds around 5 knots. Seas 2 to 3 feet. $$