Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
739 FZCA52 TJSJ 182011 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 411 PM AST Tue Jun 18 2024 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-190915- 411 PM AST Tue Jun 18 2024 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... Surface high pressure over the Atlantic and a tropical wave crossing the region will promote light east to southeast winds today, then becoming more easterly and increasing to moderate to locally fresh by Wednesday and through the rest of the week. Passing showers and isolated thunderstorms accompanying and trailing the tropical wave will continue to affect the coastal waters and local passages resulting in localized hazardous marine conditions. $$ AMZ711-190915- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 8 seconds and southeast 2 feet at 4 seconds. Scattered showers with isolated thunderstorms early this morning, then isolated showers late this morning and afternoon. Isolated thunderstorms late. .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 8 seconds and southeast 2 feet at 3 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds and east 3 feet at 8 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .THURSDAY...East winds around 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 7 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ712-190915- Coastal Waters of Northern Puerto Rico out 10 NM- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds around 5 knots, becoming east this afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 8 seconds. Scattered showers with isolated thunderstorms this morning, then showers and scattered thunderstorms this afternoon. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 8 seconds. Scattered showers in the evening. .WEDNESDAY...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 2 feet at 5 seconds and northeast 2 feet at 8 seconds. Numerous showers, mainly in the morning. .WEDNESDAY 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 5 seconds and northeast 2 feet at 8 seconds. Scattered showers. .THURSDAY...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: Northeast 4 feet at 7 seconds. .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. Wave Detail: Northeast 4 feet at 7 seconds. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. .SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 3 feet, occasionally to 4 feet. .SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ716-190915- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds and northeast 2 feet at 8 seconds. Scattered showers. Isolated thunderstorms early this morning. Isolated thunderstorms late. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 8 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and northeast 2 feet at 8 seconds. Numerous showers in the morning. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 5 seconds and northeast 1 foot at 8 seconds. Scattered showers. .THURSDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. .SATURDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ723-190915- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 8 seconds. Scattered showers. Isolated thunderstorms early this morning. Isolated thunderstorms late. .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 and northeast 2 feet at 8 seconds. Scattered showers in the evening, then numerous showers after midnight. .WEDNESDAY...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 5 seconds and east 2 feet at 8 seconds. Numerous showers in the morning. .WEDNESDAY 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. .THURSDAY...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 morning. .THURSDAY 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 7 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SATURDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ726-190915- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds and east 1 foot at 8 seconds. Scattered showers. Isolated thunderstorms this morning. Isolated thunderstorms late. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at 8 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 2 feet at 8 seconds. Numerous showers. .WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 2 feet at 8 seconds. Scattered showers. .THURSDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the morning. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ733-190915- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet this afternoon. Wave Detail: Southeast 1 foot at 5 seconds and east 1 foot at 8 seconds, becoming southeast 2 feet at 4 seconds and east 1 foot at 8 seconds. Scattered showers. Isolated thunderstorms early this morning. Isolated thunderstorms late. .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 8 seconds. Scattered showers. .WEDNESDAY...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 and east 1 foot at 8 seconds. Scattered showers in the morning. .WEDNESDAY 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 7 seconds. Scattered showers. .THURSDAY...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 morning. .THURSDAY 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. Scattered showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers in the morning. .SATURDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ735-190915- Coastal Waters of Southern Puerto Rico out 10 NM- 411 PM AST Tue Jun 18 2024 .TODAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 6 seconds. Scattered showers this morning. Isolated thunderstorms. Isolated showers this afternoon. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 6 seconds, becoming southeast 2 feet at 4 seconds and east 1 foot at 8 seconds. .WEDNESDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 8 seconds. Numerous showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet, occasionally to 4 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ741-190915- Mona Passage Southward to 17N- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 7 seconds. Scattered showers with isolated thunderstorms early this morning, then isolated showers late this morning and afternoon. .TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at 8 seconds. Scattered showers after midnight. .WEDNESDAY...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 and east 1 foot at 8 seconds. .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. Wave Detail: Southeast 4 feet at 5 seconds and east 1 foot at 8 seconds. Scattered showers in the evening. .THURSDAY...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. Scattered showers in the morning. .THURSDAY 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. .FRIDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ742-190915- Coastal Waters of Northwestern Puerto Rico out 10 NM- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds and northeast 1 foot at 7 seconds. Scattered showers early this afternoon. Isolated thunderstorms this afternoon. Numerous showers late. .TONIGHT...East winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds and northeast 1 foot at 8 seconds. .WEDNESDAY...East winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds and northeast 1 foot at 8 seconds. Numerous showers in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: South 1 foot at 4 seconds and northeast 1 foot at 8 seconds. Scattered showers in the evening. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 2 feet at 7 seconds. Numerous showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 7 seconds. .FRIDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. .SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ745-190915- Coastal Waters of Southwestern Puerto Rico out 10 NM- 411 PM AST Tue Jun 18 2024 .TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 6 seconds. Isolated showers until late afternoon, then scattered showers with isolated thunderstorms late. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds. Scattered showers in the afternoon. .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. Wave Detail: Southeast 2 feet at 4 seconds. Scattered showers in the evening. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 25 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. .FRIDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. .SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Winds and seas higher in and near thunderstorms. $$