Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
378 FZCA52 TJSJ 102056 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 456 PM AST Tue Feb 10 2026 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-110915- 456 PM AST Tue Feb 10 2026 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A surface high pressure over the southwestern Atlantic will promote moderate to locally fresh northeasterly winds through late tonight, gradually veering to the east and weakening through Thursday. A weak frontal boundary will linger over the region during the next few days, promoting cloudiness and light to moderate showers. A large, long period north- northwest swell will continue to bring hazardous seas across the Atlantic waters and passages through at least early Thursday. Small Craft Advisories are in effect for most local waters exposed to the NW swell. $$ AMZ711-110915- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds around 15 knots with gusts up to 25 knots. Seas 9 to 11 feet. Wave Detail: North 10 feet at 13 seconds and east 1 foot at 8 seconds. Scattered showers. .WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 8 to 9 feet. Wave Detail: North 8 feet at 12 seconds and east 1 foot at 7 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 6 to 8 feet. Wave Detail: North 8 feet at 12 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 6 to 7 feet. Wave Detail: North 6 feet at 11 seconds and east 3 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas around 5 feet. Wave Detail: North 5 feet at 11 seconds and east 3 feet at 6 seconds. Scattered showers. .FRIDAY...East winds 5 to 10 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds and east 3 feet at 6 seconds. Scattered showers. .FRIDAY NIGHT...East winds around 10 knots. Seas around 4 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas around 4 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. .SUNDAY...East winds 10 to 15 knots. Seas around 5 feet. Scattered showers in the morning. .SUNDAY NIGHT...East winds around 15 knots. Seas around 5 feet. $$ AMZ712-110915- Coastal Waters of Northern Puerto Rico out 10 NM- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 10 to 15 knots with gusts up to 25 knots. Seas 9 to 11 feet. Wave Detail: North 9 feet at 13 seconds. Isolated showers this evening, then scattered showers after midnight. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 8 to 9 feet. Wave Detail: North 8 feet at 12 seconds. Numerous showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 6 to 8 feet. Wave Detail: North 8 feet at 12 seconds. Scattered showers. .THURSDAY...East winds 5 to 10 knots. Seas 6 to 7 feet. Wave Detail: North 7 feet at 11 seconds. Numerous showers, mainly in the morning. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 5 feet. Wave Detail: North 5 feet at 11 seconds and east 3 feet at 6 seconds. Scattered showers. .FRIDAY...East winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east 2 feet at 6 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet. Scattered showers. .SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 4 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 4 feet. .SUNDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. $$ AMZ716-110915- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 8 to 11 feet. Wave Detail: North 9 feet at 13 seconds. Isolated showers until early morning, then scattered showers late. .WEDNESDAY...East winds around 15 knots with gusts up to 20 knots. Seas 6 to 9 feet. Wave Detail: North 9 feet at 13 seconds and northeast 8 feet at 12 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 8 feet. Wave Detail: Northeast 7 feet at 12 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 7 feet. Wave Detail: Northeast 7 feet at 11 seconds and east 2 feet at 5 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at 11 seconds and east 2 feet at 6 seconds. Scattered showers. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds and southeast 2 feet at 6 seconds. Scattered showers. .FRIDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. Scattered showers. .SATURDAY...East winds around 10 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet. $$ AMZ723-110915- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 7 to 9 feet. Wave Detail: Northeast 6 feet at 6 seconds and north 4 feet at 14 seconds. Scattered showers early this evening, then numerous showers late this evening. Isolated showers after midnight. .WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 6 to 8 feet. Wave Detail: Northeast 5 feet at 6 seconds and north 4 feet at 14 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and north 4 feet at 13 seconds. Numerous showers, mainly in the evening. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north 4 feet at 12 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and southeast 3 feet at 6 seconds. Scattered showers in the evening. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and north 3 feet at 11 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers in the morning. .SUNDAY NIGHT...East winds around 15 knots. Seas around 4 feet. $$ AMZ726-110915- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 6 to 9 feet. Wave Detail: Northeast 4 feet at 5 seconds and northwest 2 feet at 13 seconds. Isolated showers until early morning, then scattered showers late. .WEDNESDAY...Northeast winds around 15 knots with gusts up to 25 knots. Seas 5 to 7 feet. Wave Detail: East 4 feet at 5 seconds and northwest 2 feet at 12 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 7 feet. Wave Detail: East 4 feet at 5 seconds and northeast 1 foot at 12 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and northeast 1 foot at 11 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .FRIDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. Scattered showers. .SATURDAY...East winds around 10 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. .SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. $$ AMZ733-110915- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 6 to 9 feet, subsiding to 6 to 7 feet after midnight. Wave Detail: Northeast 6 feet at 6 seconds and northwest 2 feet at 14 seconds, becoming northeast 6 feet at 6 seconds and northeast 1 foot at 13 seconds. Scattered showers early this evening, then isolated showers late this evening and overnight. .WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 7 feet. Wave Detail: Northeast 5 feet at 6 seconds and northeast 1 foot at 13 seconds. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 7 feet. Wave Detail: East 5 feet at 6 seconds and northwest 1 foot at 12 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds and northwest 1 foot at 11 seconds. Scattered showers. .THURSDAY NIGHT...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 northeast 1 foot at 11 seconds. Scattered showers in the evening. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. .SATURDAY...East winds 10 to 15 knots. Seas around 3 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. $$ AMZ735-110915- Coastal Waters of Southern Puerto Rico out 10 NM- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Gusts up to 30 knots. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds. Isolated showers early this evening. Isolated showers after midnight, then scattered showers late. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. Numerous showers, mainly in the evening. .FRIDAY...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers in the morning. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. .SATURDAY...East winds 5 to 10 knots. Seas around 3 feet. .SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. .SUNDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. $$ AMZ741-110915- Mona Passage Southward to 17N- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots late this evening and overnight. Seas 8 to 11 feet. Wave Detail: North 9 feet at 13 seconds and northeast 6 feet at 6 seconds. Isolated showers this evening. .WEDNESDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 7 to 9 feet. Wave Detail: North 8 feet at 13 seconds and east 5 feet at 7 seconds. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 6 to 8 feet. Wave Detail: North 7 feet at 12 seconds and east 5 feet at 7 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 5 to 7 feet. Wave Detail: North 6 feet at 12 seconds and east 5 feet at 7 seconds. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 11 seconds and east 4 feet at 7 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and north 4 feet at 11 seconds. Scattered showers. .FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 4 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas around 4 feet. .SUNDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 4 to 5 feet. Scattered showers. $$ AMZ742-110915- Coastal Waters of Northwestern Puerto Rico out 10 NM- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 8 to 11 feet. Wave Detail: North 9 feet at 13 seconds. Isolated showers. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 25 knots. Seas 6 to 9 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 8 feet. Wave Detail: North 8 feet at 12 seconds. .THURSDAY...East winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: North 6 feet at 12 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...Northeast winds around 5 knots. Seas 3 to 5 feet. Wave Detail: North 5 feet at 11 seconds and southeast 1 foot at 6 seconds. Scattered showers in the evening. .FRIDAY...Northeast winds around 5 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 11 seconds and southeast 1 foot at 6 seconds. Scattered showers. .FRIDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet. .SATURDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers. $$ AMZ745-110915- Coastal Waters of Southwestern Puerto Rico out 10 NM- 456 PM AST Tue Feb 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots late. Seas 6 to 9 feet. Wave Detail: Northwest 6 feet at 13 seconds and northwest 4 feet at 6 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 13 seconds and northwest 4 feet at 6 seconds. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 7 feet. Wave Detail: Northwest 5 feet at 12 seconds and southeast 1 foot at 6 seconds. Scattered showers in the evening. .THURSDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 12 seconds and southeast 2 feet at 7 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Northwest 3 feet at 11 seconds and southeast 2 feet at 7 seconds. Scattered showers. .FRIDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: South 2 feet at 7 seconds and northwest 2 feet at 11 seconds. Scattered showers. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. $$