Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
257 FZCA52 TJSJ 071615 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 1215 PM AST Tue Oct 7 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-080515- 1215 PM AST Tue Oct 7 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A long-period northeasterly swell will gradually continue to fade across the local Atlantic waters and passages today. A tropical wave will influence the region through Wednesday, increasing the frequency of showers and thunderstorms over the regional waters, especially during the afternoon hours, with activity further enhanced near coastal areas by diurnally driven convection. Tropical Storm Jerry is expected to move northeast of the region by Friday. Tropical storm or hurricane conditions are possible, mostly across the eastern half of the regional waters including Atlantic and Caribbean waters and Anegada Passage. $$ AMZ711-080515- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...East winds 5 to 10 knots. Seas around 5 feet. Wave Detail: Northeast 5 feet at 12 seconds and east 3 feet at 7 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...East winds 5 to 10 knots. Seas around 5 feet. Wave Detail: Northeast 5 feet at 12 seconds and east 3 feet at 7 seconds. Scattered showers in the late evening and overnight. .WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 4 feet at 11 seconds. Scattered showers in the morning. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds and northeast 3 feet at 10 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 8 seconds and northeast 3 feet at 9 seconds. .THURSDAY NIGHT...Tropical storm conditions possible. East winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 2 feet at 13 seconds. .FRIDAY...Hurricane conditions possible. Scattered showers in the afternoon. .FRIDAY NIGHT...Tropical storm conditions possible. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 6 to 8 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 5 to 7 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ712-080515- Coastal Waters of Northern Puerto Rico out 10 NM- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...East winds 5 to 10 knots. Seas around 5 feet. Wave Detail: Northeast 5 feet at 13 seconds and east 2 feet at 7 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at 12 seconds and east 2 feet at 7 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 around 4 feet. Wave Detail: Northeast 4 feet at 11 seconds and east 3 feet at 7 seconds. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas around 4 feet. Wave Detail: Northeast 3 feet at 7 seconds and northeast 3 feet at 10 seconds. Scattered showers after midnight. .THURSDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 1 foot at 13 seconds. .FRIDAY...East winds around 5 knots. Seas around 3 feet. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds around 5 knots. Seas 3 to 5 feet. .SATURDAY...South winds around 5 knots, becoming southeast in the afternoon. Seas 5 to 7 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds around 5 knots. Seas 4 to 6 feet. Winds and seas higher in and near thunderstorms. $$ AMZ716-080515- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northeast 5 feet at 13 seconds and east 2 feet at 6 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northeast 5 feet at 12 seconds. Scattered showers. .WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 11 seconds and southeast 2 feet at 5 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds and southeast 2 feet at 6 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 7 seconds and northeast 3 feet at 9 seconds. Scattered showers. .THURSDAY NIGHT...Tropical storm conditions possible. East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds and northeast 1 foot at 12 seconds. Scattered showers. .FRIDAY...Tropical storm conditions possible. Scattered showers. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 5 feet. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Scattered showers in the morning, then numerous showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ723-080515- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...Southeast winds around 10 knots. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at 12 seconds. Isolated thunderstorms early this afternoon. Scattered showers. .TONIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 12 seconds and southeast 2 feet at 4 seconds. Scattered showers late in the evening. .WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 11 seconds. Scattered showers until late afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 10 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: East 4 feet at 6 seconds and northeast 2 feet at 10 seconds. Scattered showers. .THURSDAY NIGHT...Tropical storm conditions possible. Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds and east 3 feet at 14 seconds. Scattered showers. .FRIDAY...Tropical storm conditions possible. Scattered showers. .FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 5 to 7 feet. Scattered showers. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Numerous showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Numerous showers. Winds and seas higher in and near thunderstorms. $$ AMZ726-080515- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: East 2 feet at 6 seconds and northeast 2 feet at 13 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds and northeast 2 feet at 12 seconds. Scattered showers. .WEDNESDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and northeast 1 foot at 11 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...Tropical storm conditions possible. Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .FRIDAY...Tropical storm conditions possible. Scattered showers. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 5 feet. Scattered showers. .SATURDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 3 to 5 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ733-080515- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and northeast 1 foot at 13 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and northeast 1 foot at 13 seconds. Scattered showers in the late evening and early morning. .WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and northeast 1 foot at 12 seconds. Scattered showers late. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and northeast 1 foot at 11 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds and northeast 1 foot at 10 seconds. Scattered showers. .THURSDAY NIGHT...Tropical storm conditions possible. East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .FRIDAY...Tropical storm conditions possible. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 3 to 4 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ735-080515- Coastal Waters of Southern Puerto Rico out 10 NM- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Scattered showers. .WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. Scattered showers in the late evening and overnight. .THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots, becoming northeast after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .FRIDAY...East winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ741-080515- Mona Passage Southward to 17N- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: North 5 feet at 13 seconds and east 2 feet at 5 seconds. Scattered showers with isolated thunderstorms. .TONIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: North 5 feet at 13 seconds and east 2 feet at 5 seconds. .WEDNESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 12 seconds and east 2 feet at 5 seconds. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 4 seconds. Scattered showers after midnight. .THURSDAY...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: North 3 feet at 9 seconds and east 2 feet at 5 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds and north 2 feet at 9 seconds. .FRIDAY...Southeast winds around 5 knots. Seas around 3 feet. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet. Scattered showers. .SATURDAY...Southeast winds around 5 knots. Seas around 3 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ742-080515- Coastal Waters of Northwestern Puerto Rico out 10 NM- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...Northeast winds around 5 knots. Seas 3 to 5 feet. Wave Detail: Northeast 5 feet at 13 seconds. Isolated thunderstorms. Scattered showers early this afternoon, then numerous showers late. .TONIGHT...East winds around 5 knots. Seas 3 to 5 feet. Wave Detail: Northeast 5 feet at 13 seconds. Numerous showers early in the evening, then scattered showers late in the evening. .WEDNESDAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 12 seconds and south 2 feet at 3 seconds. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: North 4 feet at 11 seconds and southeast 3 feet at 4 seconds. Scattered showers early in the evening. .THURSDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 3 feet at 9 seconds. Numerous showers in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds and north 3 feet at 9 seconds. .FRIDAY...Southeast winds around 5 knots, becoming south around 5 knots in the afternoon. Seas 2 to 3 feet. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ745-080515- Coastal Waters of Southwestern Puerto Rico out 10 NM- 1215 PM AST Tue Oct 7 2025 .REST OF TODAY...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 13 seconds. Isolated thunderstorms. Scattered showers early this afternoon, then numerous showers late. .TONIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 13 seconds. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and northwest 2 feet at 12 seconds. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and northwest 1 foot at 11 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and north 1 foot at 9 seconds. Numerous showers in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds and north 1 foot at 9 seconds. .FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet. .SATURDAY...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$