


Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
020 FZCA52 TJSJ 220131 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 931 PM AST Sat Jun 21 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-221430- 931 PM AST Sat Jun 21 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A subtropical Atlantic ridge extending southward into the northern Caribbean continues to promote moderate to locally fresh easterly winds, resulting in choppy seas over portions of the local Atlantic and Caribbean waters, and local passages. Therefore, small craft should exercise caution. The next tropical wave should approach the local waters by next Monday. $$ AMZ711-221430- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and northeast 1 foot at 9 seconds. Isolated showers. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 1 foot at 9 seconds. Scattered showers in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds and northeast 1 foot at 10 seconds. .MONDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds and northeast 2 feet at 10 seconds. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds and northeast 2 feet at 11 seconds. .TUESDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and northeast 2 feet at 11 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas around 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. $$ AMZ712-221430- Coastal Waters of Northern Puerto Rico out 10 NM- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots late. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at 10 seconds. Isolated showers late this evening and early morning, then scattered showers late. .SUNDAY...East winds 5 to 10 knots, increasing to 15 to 20 knots with gusts up to 25 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 1 foot at 9 seconds. Scattered showers in the morning. .SUNDAY 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 6 seconds and northeast 1 foot at 10 seconds. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 30 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at 10 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 4 feet at 6 seconds and northeast 2 feet at 10 seconds. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 30 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 2 feet at 11 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. $$ AMZ716-221430- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds and northeast 1 foot at 10 seconds. Isolated showers. .SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds and northeast 1 foot at 9 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds and northeast 1 foot at 9 seconds. Scattered showers after midnight. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds and northeast 1 foot at 10 seconds. Scattered showers in the morning. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at 9 seconds. .TUESDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds and northeast 2 feet at 10 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. $$ AMZ723-221430- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds around 15 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at 10 seconds. Isolated showers. .SUNDAY...East winds around 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds and northeast 1 foot at 9 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 6 seconds and northeast 1 foot at 10 seconds. Scattered showers after midnight. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds and northeast 1 foot at 10 seconds. Scattered showers in the morning. .MONDAY 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 northeast 2 feet at 11 seconds. .TUESDAY...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 2 feet at 10 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. $$ AMZ726-221430- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers late this evening, then scattered showers. Isolated showers late. .SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers after midnight. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers in the morning. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .TUESDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. $$ AMZ733-221430- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...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. Isolated showers. .SUNDAY...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. .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. Scattered showers after midnight. .MONDAY...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. Scattered showers. .MONDAY 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 6 feet at 7 seconds. .TUESDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. $$ AMZ735-221430- Coastal Waters of Southern Puerto Rico out 10 NM- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .TUESDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. .THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. $$ AMZ741-221430- Mona Passage Southward to 17N- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 10 to 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 and northeast 1 foot at 9 seconds. Isolated showers. .SUNDAY...East winds 10 to 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 and northeast 1 foot at 9 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and northeast 1 foot at 9 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 northeast 1 foot at 9 seconds. Numerous showers in the afternoon. .MONDAY NIGHT...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 northeast 1 foot at 9 seconds. .TUESDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds and northeast 2 feet at 9 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers. .THURSDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. $$ AMZ742-221430- Coastal Waters of Northwestern Puerto Rico out 10 NM- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 7 seconds. .SUNDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 7 seconds and northeast 1 foot at 9 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 6 seconds and northeast 1 foot at 9 seconds. Scattered showers in the evening. .MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 6 seconds and northeast 1 foot at 9 seconds. Numerous showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds and northeast 1 foot at 9 seconds. .TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 7 seconds and northeast 2 feet at 9 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. .WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Numerous showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. $$ AMZ745-221430- Coastal Waters of Southwestern Puerto Rico out 10 NM- 931 PM AST Sat Jun 21 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. Isolated showers late this evening. .SUNDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 7 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. .MONDAY...East winds 5 to 10 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TUESDAY...East winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and north 1 foot at 5 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. .WEDNESDAY...East winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 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. $$