Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
796 FZCA52 TJSJ 060738 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 338 AM AST Sat Dec 6 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-062030- 338 AM AST Sat Dec 6 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... An east to northeast 4 to 5 ft swell at around 10 seconds and moderate trades will promote choppy seas across most offshore waters and local passages today. A building surface high pressure north of the area will maintain moderate to locally fresh trades (easterlies) on Sunday before subsiding early next week. $$ AMZ711-062030- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 338 AM AST Sat Dec 6 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds around 15 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 10 seconds and north 1 foot at 10 seconds. Isolated showers early this morning. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 9 seconds and north 2 feet at 9 seconds. Scattered showers after midnight. .SUNDAY...East winds around 15 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 9 seconds and north 2 feet at 12 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 9 seconds and north 3 feet at 12 seconds. Scattered showers after midnight. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 9 seconds and north 3 feet at 12 seconds. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 9 seconds and north 2 feet at 9 seconds. .TUESDAY...Southeast winds 5 to 10 knots. Seas around 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. .WEDNESDAY NIGHT...East winds around 15 knots. Seas 4 to 6 feet. $$ AMZ712-062030- Coastal Waters of Northern Puerto Rico out 10 NM- 338 AM AST Sat Dec 6 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots late. Seas 4 to 5 feet. Wave Detail: East 5 feet at 10 seconds and north 1 foot at 9 seconds. Scattered showers early this morning, then isolated showers late this morning and afternoon. .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 9 seconds and north 1 foot at 9 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 9 seconds and north 2 feet at 8 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 9 seconds and north 3 feet at 12 seconds. Scattered showers after midnight. .MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: East 4 feet at 9 seconds and north 3 feet at 12 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet. Wave Detail: East 4 feet at 9 seconds and northeast 2 feet at 14 seconds. .TUESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet. $$ AMZ716-062030- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 338 AM AST Sat Dec 6 2025 .TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 9 seconds. Isolated showers until late afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 9 seconds. Scattered showers. .SUNDAY...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and north 2 feet at 9 seconds. Scattered showers. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and north 1 foot at 8 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and north 3 feet at 12 seconds. .MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 8 seconds. .TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Scattered showers. $$ AMZ723-062030- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 338 AM AST Sat Dec 6 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds and east 4 feet at 9 seconds. Isolated showers until late afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds and east 4 feet at 9 seconds. Scattered showers. .SUNDAY...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 east 4 feet at 9 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...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 east 4 feet at 9 seconds. Scattered showers in the evening. .MONDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: Southeast 5 feet at 6 seconds and northeast 3 feet at 9 seconds. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and east 3 feet at 9 seconds. .TUESDAY...East winds 10 to 15 knots. Seas around 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY...East winds around 15 knots. Seas around 4 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. $$ AMZ726-062030- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 338 AM AST Sat Dec 6 2025 .TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds and east 4 feet at 9 seconds. Isolated showers early this morning, then scattered showers late this morning. Isolated showers early this afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds and east 4 feet at 9 seconds. Scattered showers after midnight. .SUNDAY...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds and east 4 feet at 9 seconds. Scattered showers. .SUNDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 3 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. $$ AMZ733-062030- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 338 AM AST Sat Dec 6 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...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 east 3 feet at 10 seconds. Scattered showers early this morning, then isolated showers late this morning and early afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Scattered showers after midnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: East 5 feet at 7 seconds and east 3 feet at 9 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: East 5 feet at 7 seconds and east 3 feet at 9 seconds. .MONDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and east 3 feet at 9 seconds. .MONDAY 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 east 2 feet at 9 seconds. .TUESDAY...East winds 10 to 15 knots. Seas around 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. $$ AMZ735-062030- Coastal Waters of Southern Puerto Rico out 10 NM- 338 AM AST Sat Dec 6 2025 .TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers this morning. .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. $$ AMZ741-062030- Mona Passage Southward to 17N- 338 AM AST Sat Dec 6 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots this afternoon. Seas 4 to 6 feet. Wave Detail: East 5 feet at 8 seconds and north 1 foot at 8 seconds. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 8 seconds and north 1 foot at 9 seconds. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 8 seconds and north 1 foot at 9 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds and north 2 feet at 11 seconds. .MONDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds and north 2 feet at 11 seconds. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds and northeast 2 feet at 10 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. $$ AMZ742-062030- Coastal Waters of Northwestern Puerto Rico out 10 NM- 338 AM AST Sat Dec 6 2025 .TODAY...East winds 10 to 15 knots with gusts up to 20 knots, becoming northeast 5 to 10 knots with gusts up to 20 knots late this morning and afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 7 seconds and northeast 1 foot at 13 seconds. Scattered showers early this afternoon. Isolated showers late. .TONIGHT...East winds 15 to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 6 seconds and north 1 foot at 10 seconds. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds and north 1 foot at 9 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 2 feet at 7 seconds and north 2 feet at 12 seconds. .MONDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and north 2 feet at 11 seconds. .MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 2 feet at 11 seconds. .TUESDAY...East winds around 5 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. $$ AMZ745-062030- Coastal Waters of Southwestern Puerto Rico out 10 NM- 338 AM AST Sat Dec 6 2025 .TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot at 6 seconds. Isolated showers this afternoon. .TONIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds and north 1 foot at 8 seconds. .SUNDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 6 seconds and northwest 1 foot at 8 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at 8 seconds. .MONDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and north 1 foot at 7 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at 11 seconds. .TUESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. $$