Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
662 FZCA52 TJSJ 050145 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 945 PM AST Fri Jul 4 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-051430- 945 PM AST Fri Jul 4 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... Choppy seas will continue due to a broad surface high pressure over the central Atlantic, producing moderate to fresh easterly winds across the region. Saharan dust particles will be in place, resulting in hazy skies throughout the weekend. A weak tropical wave moving westward across the Caribbean will promote a slight to moderate chance to observe shower and thunderstorm development, especially on Saturday afternoon. $$ AMZ711-051430- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 1 foot at 9 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. .SATURDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY NIGHT...East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas around 5 feet, occasionally to 6 feet. .TUESDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. $$ AMZ712-051430- Coastal Waters of Northern Puerto Rico out 10 NM- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots, diminishing to 5 to 10 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. Isolated showers. .SATURDAY...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 8 seconds and northeast 1 foot at 9 seconds. Scattered showers in the afternoon. .SATURDAY NIGHT...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 7 seconds. .SUNDAY...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. .SUNDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Gusts up to 30 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY NIGHT...East winds 10 to 15 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. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. $$ AMZ716-051430- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 945 PM AST Fri Jul 4 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast 1 foot at 9 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds and northeast 1 foot at 9 seconds. Scattered showers in the morning. .SATURDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. .SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds and southeast 1 foot at 4 seconds. Scattered showers. .MONDAY...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .TUESDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers in the morning. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ723-051430- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds and northeast 2 feet at 9 seconds. .SATURDAY...East winds 15 to 20 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 9 seconds. .SATURDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. .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 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. .MONDAY NIGHT...East winds 20 to 25 knots with gusts up to 30 knots. Seas around 5 feet, occasionally to 6 feet. Scattered showers. .TUESDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers in the morning. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .WEDNESDAY...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. $$ AMZ726-051430- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 945 PM AST Fri Jul 4 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 25 knots late. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds. .SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .MONDAY...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ733-051430- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers in the morning. .SATURDAY 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 4 feet at 6 seconds. .SUNDAY...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. .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. Scattered showers. .MONDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. .MONDAY NIGHT...East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Scattered showers in the morning. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas around 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 around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. $$ AMZ735-051430- Coastal Waters of Southern Puerto Rico out 10 NM- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Scattered showers. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .TUESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ741-051430- Mona Passage Southward to 17N- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...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 and north 2 feet at 9 seconds. Isolated showers until early morning. .SATURDAY...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 6 seconds and northeast 1 foot at 9 seconds. .SATURDAY 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 4 feet at 7 seconds. .SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers in the afternoon. .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. .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 6 seconds. .MONDAY NIGHT...East winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .TUESDAY NIGHT...East winds 15 to 20 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. $$ AMZ742-051430- Coastal Waters of Northwestern Puerto Rico out 10 NM- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...East winds around 5 knots, increasing to 5 to 10 knots late this evening and overnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet at 9 seconds and south 1 foot at 6 seconds. Scattered showers early this evening, then isolated showers late this evening. .SATURDAY...East winds around 5 knots, becoming northeast in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: South 1 foot at 6 seconds and northeast 1 foot at 8 seconds. Numerous showers in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet at 8 seconds and south 1 foot at 6 seconds. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: South 1 foot at 6 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and south 1 foot at 6 seconds. .MONDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 6 seconds and southeast 1 foot at 6 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. .TUESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. $$ AMZ745-051430- Coastal Waters of Southwestern Puerto Rico out 10 NM- 945 PM AST Fri Jul 4 2025 .REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots late this evening and early morning, then diminishing to 5 to 10 knots late. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. Isolated showers this evening. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. .SATURDAY 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 5 seconds. .SUNDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 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. .MONDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and north 1 foot at 3 seconds. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 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 3 feet, occasionally to 4 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. $$