Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
381 FZCA52 TJSJ 010519 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 119 AM AST Fri Aug 1 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-011815- 119 AM AST Fri Aug 1 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A surface high-pressure system over the central Atlantic, combined with a vigorous tropical wave, will promote moderate to locally fresh winds over the next few days, maintaining choppy marine conditions across portions of the local waters. Starting late today into the weekend, the tropical wave will increase the potential for thunderstorms and contribute to localized hazardous marine conditions. $$ AMZ711-011815- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 119 AM AST Fri Aug 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds and northeast 1 foot at 11 seconds. Scattered showers. Isolated thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 8 seconds. Scattered showers. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .SUNDAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. Numerous showers. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and south 1 foot at 4 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .MONDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ712-011815- Coastal Waters of Northern Puerto Rico out 10 NM- 119 AM AST Fri Aug 1 2025 .TODAY...East winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots with gusts up to 30 knots this afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds and northeast 1 foot at 11 seconds. Isolated showers until late afternoon, then scattered showers with isolated thunderstorms late. .TONIGHT...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 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds and northeast 1 foot at 11 seconds. Scattered showers in the evening, then numerous showers after midnight. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds. Numerous showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds. Scattered showers after midnight. .SUNDAY...East winds 10 to 15 knots. Gusts up to 25 knots in the afternoon. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ716-011815- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 119 AM AST Fri Aug 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. Isolated thunderstorms this afternoon. .TONIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers in the evening, then numerous showers after midnight. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers. .SUNDAY...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 2 feet at 4 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .SUNDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 8 seconds. Scattered showers. .MONDAY...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ723-011815- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 119 AM AST Fri Aug 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...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 6 seconds and northeast 1 foot at 10 seconds. Scattered showers this morning, then isolated showers early this afternoon. Scattered showers late. .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 5 feet at 8 seconds. Numerous showers, mainly in the evening. .SATURDAY...Southeast winds around 15 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 8 seconds and southeast 3 feet at 5 seconds. Scattered showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and southeast 3 feet at 5 seconds. Scattered 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: Southeast 3 feet at 5 seconds and northeast 3 feet at 8 seconds. Numerous showers. .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: Southeast 4 feet at 5 seconds and northeast 3 feet at 8 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the morning. .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. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers. $$ AMZ726-011815- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 119 AM AST Fri Aug 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. Isolated thunderstorms this afternoon. .TONIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers in the evening, then numerous showers after midnight. .SATURDAY...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds and southeast 3 feet at 5 seconds. Scattered showers. .SUNDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 8 seconds and southeast 2 feet at 5 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .SUNDAY NIGHT...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 8 seconds. Scattered showers. .MONDAY...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ733-011815- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 119 AM AST Fri Aug 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...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. Isolated showers this morning. Scattered showers this afternoon. Isolated thunderstorms late. .TONIGHT...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 4 feet at 6 seconds. Scattered showers. .SATURDAY...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. .SATURDAY NIGHT...Southeast 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. .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. Scattered showers. .SUNDAY 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 7 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ735-011815- Coastal Waters of Southern Puerto Rico out 10 NM- 119 AM AST Fri Aug 1 2025 .TODAY...East winds 10 to 15 knots, increasing to 15 to 20 knots late this morning and afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers early this morning, then isolated showers late this morning and early afternoon. Scattered showers with isolated thunderstorms late. .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers after midnight. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds. Numerous showers, mainly in the morning. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Numerous showers. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. Numerous showers, mainly in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ741-011815- Mona Passage Southward to 17N- 119 AM AST Fri Aug 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. Isolated thunderstorms late. .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 5 feet at 6 seconds. Scattered showers after midnight. .SATURDAY...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. Scattered showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Scattered showers after midnight. .SUNDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. Scattered showers. .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. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ742-011815- Coastal Waters of Northwestern Puerto Rico out 10 NM- 119 AM AST Fri Aug 1 2025 .TODAY...East winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots this afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet at 6 seconds. Isolated showers early this afternoon. Numerous showers with isolated thunderstorms late. .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds. .SATURDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds. Showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at 8 seconds. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds and south 2 feet at 5 seconds. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: South 2 feet at 5 seconds and northeast 2 feet at 9 seconds. .MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Numerous showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ745-011815- Coastal Waters of Southwestern Puerto Rico out 10 NM- 119 AM AST Fri Aug 1 2025 .TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots late. Gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 2 feet at 5 seconds. Isolated showers early this afternoon. Scattered showers with isolated thunderstorms late. .TONIGHT...Northeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .SATURDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .SATURDAY NIGHT...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 4 seconds. Scattered showers after midnight. .SUNDAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .MONDAY...East winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. .TUESDAY...East winds around 5 knots. 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 3 feet, occasionally to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$