


Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
531 FZCA52 TJSJ 242000 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 400 PM AST Sat May 24 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-251000- 400 PM AST Sat May 24 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A surface high pressure building over the North Atlantic Ocean will promote moderate to locally fresh easterly winds through early next week. A tropical wave will move mainly south of the region and across the Caribbean Sea between Sunday and Monday. Isolated thunderstorms are expected to develop across the western coastal waters of Puerto Rico each afternoon. $$ AMZ711-251000- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 7 seconds and north 1 foot at 8 seconds. Isolated showers late this evening and early morning. Scattered showers late. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds and northeast 5 feet at 11 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 11 seconds. .MONDAY...East winds around 15 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds. .TUESDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds around 15 knots. Seas around 4 feet, occasionally to 5 feet. $$ AMZ712-251000- Coastal Waters of Northern Puerto Rico out 10 NM- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots, diminishing to 10 to 15 knots with gusts up to 25 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds and northeast 1 foot at 12 seconds. Isolated showers until early morning, then scattered showers late. .SUNDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and north 2 feet at 11 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds and north 2 feet at 11 seconds. .MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 4 feet at 9 seconds. .TUESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ716-251000- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds and north 1 foot at 9 seconds. Isolated showers this evening, then scattered showers after midnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and north 1 foot at 9 seconds. .SUNDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds and north 2 feet at 10 seconds. .MONDAY...East winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds and northeast 2 feet at 9 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds and northeast 2 feet at 9 seconds. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 8 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 3 feet, occasionally to 4 feet. .WEDNESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ723-251000- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 7 seconds and north 1 foot at 12 seconds. Isolated showers this evening, then scattered showers after midnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and northeast 1 foot at 12 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 11 seconds. Scattered showers. .MONDAY...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .MONDAY NIGHT...East winds around 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. .WEDNESDAY...East winds around 15 knots. Seas around 4 feet, occasionally to 5 feet. .WEDNESDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .THURSDAY...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. $$ AMZ726-251000- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers until early morning, then scattered showers late. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY...East winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .WEDNESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. $$ AMZ733-251000- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers this evening, then scattered showers after midnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .MONDAY...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .MONDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds and northeast 3 feet at 8 seconds. Scattered showers. .TUESDAY...East winds around 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas around 4 feet, occasionally to 5 feet. Scattered showers. .THURSDAY...East winds around 15 knots. Seas around 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas around 4 feet, occasionally to 5 feet. Scattered showers. $$ AMZ735-251000- Coastal Waters of Southern Puerto Rico out 10 NM- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots late this evening and overnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .SUNDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ741-251000- Mona Passage Southward to 17N- 400 PM AST Sat May 24 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds and north 1 foot at 9 seconds. Scattered showers with isolated thunderstorms early this evening, then isolated showers late this evening and overnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 8 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 8 seconds. Scattered showers in the evening. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and north 1 foot at 9 seconds. Scattered showers. .MONDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and northeast 1 foot at 9 seconds. Scattered showers. .TUESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds and northeast 2 feet at 9 seconds. Scattered showers. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers. .THURSDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ742-251000- Coastal Waters of Northwestern Puerto Rico out 10 NM- 400 PM AST Sat May 24 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds and north 1 foot at 9 seconds. Scattered showers with isolated thunderstorms early this evening. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds and north 1 foot at 8 seconds. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds and north 1 foot at 9 seconds. Scattered showers in the evening. .MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds and north 1 foot at 10 seconds. Numerous showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet at 6 seconds and north 1 foot at 10 seconds. Scattered showers. .TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds and north 1 foot at 9 seconds. Numerous showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Numerous showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. .THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Numerous showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ745-251000- Coastal Waters of Southwestern Puerto Rico out 10 NM- 400 PM AST Sat May 24 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and north 1 foot at 9 seconds. Scattered showers with isolated thunderstorms early this evening. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: South 2 feet at 7 seconds and northwest 1 foot at 8 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 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, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot at 7 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot at 8 seconds. Scattered showers. .TUESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot at 8 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .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 around 2 feet. .THURSDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$