####018020509#### FZCA52 TJSJ 151409 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 1009 AM AST Thu May 15 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-160230- 1009 AM AST Thu May 15 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A broad surface high pressure over the Central Atlantic will continue promoting moderate to locally fresh easterly winds today through Friday night. Choppy seas will create hazardous conditions across local waters, small craft should exercise caution. A surface trough will gradually weaken winds over the weekend into early next week. Meanwhile, a deep trough will bring an unsettled weather pattern with a high chance of thunderstorm development beginning Thursday afternoon, leading to locally higher winds and seas. $$ AMZ711-160230- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 1009 AM AST Thu May 15 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers late this morning and early afternoon, then scattered showers with isolated thunderstorms late. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. Scattered showers in the evening, then numerous showers after midnight. .FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. Numerous showers. .FRIDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and north 1 foot at 12 seconds. Numerous showers after midnight. .SATURDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and north 1 foot at 13 seconds. Numerous showers. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and north 1 foot at 13 seconds. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Scattered showers. .MONDAY...East winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ712-160230- Coastal Waters of Northern Puerto Rico out 10 NM- 1009 AM AST Thu May 15 2025 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Isolated thunderstorms. Scattered showers late this morning and early afternoon, then numerous showers late. .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 8 seconds. Scattered showers in the evening, then numerous showers after midnight. .FRIDAY...East winds 5 to 10 knots with gusts up to 20 knots, increasing to 10 to 15 knots with gusts up to 30 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Numerous showers in the morning, then showers and scattered thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Gusts up to 30 knots in the evening. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 1 foot at 12 seconds. Numerous showers. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 1 foot at 14 seconds. Numerous showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and north 1 foot at 13 seconds. Scattered showers in the evening. .SUNDAY...East winds 5 to 10 knots. Seas around 3 feet, occasionally to 4 feet. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers. .MONDAY...East winds around 5 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers. .MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ716-160230- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 1009 AM AST Thu May 15 2025 .REST OF TODAY...East winds around 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers late this morning, then scattered showers this afternoon. Isolated thunderstorms late. .TONIGHT...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. .FRIDAY...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 in the morning, then numerous showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 8 seconds. Numerous showers. .SATURDAY...East winds 15 to 20 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 7 seconds and north 1 foot at 11 seconds. Numerous showers in the morning, then showers and scattered thunderstorms in the afternoon. .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: East 3 feet at 7 seconds and north 1 foot at 13 seconds. Numerous showers. .SUNDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers, mainly in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY...Southeast winds around 5 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers. .MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ723-160230- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 1009 AM AST Thu May 15 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF 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 7 seconds. Isolated thunderstorms. Scattered showers late this morning and early afternoon, then numerous showers late. .TONIGHT...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. Numerous showers, mainly in the evening. .FRIDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .FRIDAY 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 and north 1 foot at 12 seconds. Numerous showers. .SATURDAY...East 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 7 seconds and north 1 foot at 13 seconds. Numerous showers, mainly in the morning. .SATURDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 1 foot at 12 seconds. Numerous showers. .SUNDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ726-160230- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 1009 AM AST Thu May 15 2025 .REST OF TODAY...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers late this morning, then scattered showers with isolated thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers, mainly in the evening. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered thunderstorms in the morning. Numerous showers. .FRIDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers. .SATURDAY...East winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Seas around 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. Numerous showers in the morning, then showers and scattered thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Numerous showers. .SUNDAY...East winds 10 to 15 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers, mainly in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ733-160230- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 1009 AM AST Thu May 15 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF 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 7 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...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. Numerous showers. .FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Numerous showers. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers, mainly in the evening. .SATURDAY...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. Numerous 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 4 feet at 7 seconds. Numerous showers. .SUNDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ735-160230- Coastal Waters of Southern Puerto Rico out 10 NM- 1009 AM AST Thu May 15 2025 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated thunderstorms. Numerous showers late this morning, then scattered showers this afternoon. .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Numerous showers. .FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered thunderstorms in the morning. Numerous showers. .FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .SATURDAY NIGHT...East winds 5 to 10 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. Numerous showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers, mainly in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Numerous showers. .MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ741-160230- Mona Passage Southward to 17N- 1009 AM AST Thu May 15 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots late. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Isolated thunderstorms. Numerous showers late this morning, then scattered showers this afternoon. .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 7 seconds. Scattered showers in the evening, then numerous showers after midnight. .FRIDAY...East winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. Numerous showers. .FRIDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. Scattered showers. .SATURDAY...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. Scattered showers. .SATURDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas around 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 7 seconds and northeast 1 foot at 11 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ742-160230- Coastal Waters of Northwestern Puerto Rico out 10 NM- 1009 AM AST Thu May 15 2025 .REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 7 seconds. Isolated thunderstorms. Numerous showers late this morning and early afternoon, then scattered showers late. .TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers in the evening, then numerous showers after midnight. .FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots, becoming northeast 20 to 25 knots with gusts up to 30 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Scattered thunderstorms in the morning. Numerous showers. .FRIDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to 30 knots, becoming east 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. Scattered showers in the evening. .SATURDAY...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet at 7 seconds and north 1 foot at 12 seconds. .SUNDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 2 feet. Scattered showers in the morning, then numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers. .MONDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 2 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ745-160230- Coastal Waters of Southwestern Puerto Rico out 10 NM- 1009 AM AST Thu May 15 2025 .REST OF TODAY...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 6 seconds. Numerous showers late this morning. Isolated thunderstorms. Scattered showers this afternoon. .TONIGHT...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 6 seconds. Numerous showers. .FRIDAY...East winds 10 to 15 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 thunderstorms in the morning. Numerous showers. .FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots, diminishing to around 5 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds. .SATURDAY...East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers. .SUNDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$