Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
473 FZCA52 TJSJ 081451 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 1051 AM AST Wed Oct 8 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-090330- 1051 AM AST Wed Oct 8 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... Moisture associated with a tropical wave will continue to influence the region the rest of today, increasing the frequency of showers and thunderstorms over the regional waters. Tropical Storm Jerry is expected to move northeast of the region by Friday. Tropical storm conditions are possible by Thursday night, mostly across the eastern half of the regional waters including Atlantic and Caribbean waters, and the Anegada Passage. Swells from Jerry could also result in hazardous seas as Jerry tracks northeast of the region. $$ AMZ711-090330- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 1051 AM AST Wed Oct 8 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots this afternoon. Gusts up to 25 knots this afternoon. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and northeast 3 feet at 11 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds and northeast 3 feet at 10 seconds. .THURSDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds and northeast 3 feet at 9 seconds. Scattered showers late in the morning. .THURSDAY NIGHT...Tropical storm conditions possible. East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and northeast 2 feet at 12 seconds. Scattered showers in the evening. .FRIDAY...Tropical storm conditions possible. Southeast winds around 5 knots, becoming west in the afternoon. Seas 5 to 8 feet. Wave Detail: Northeast 8 feet at 13 seconds and east 3 feet at 7 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots after midnight. Seas 5 to 8 feet. Wave Detail: East 8 feet at 13 seconds and east 2 feet at 7 seconds. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 6 to 8 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 5 feet. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 5 feet. Scattered showers. $$ AMZ712-090330- Coastal Waters of Northern Puerto Rico out 10 NM- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots this afternoon. Seas around 4 feet. Wave Detail: Northeast 4 feet at 11 seconds and east 2 feet at 7 seconds. Isolated showers late this morning, then scattered showers with isolated thunderstorms this afternoon. .TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 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: East 3 feet at 8 seconds and 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 around 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 1 foot at 13 seconds. Scattered showers late in the evening. .FRIDAY...South winds around 5 knots, becoming west in the afternoon. Seas around 3 feet. Wave Detail: Northeast 3 feet at 7 seconds and northeast 2 feet at 12 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Southwest winds around 5 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 12 seconds and east 2 feet at 7 seconds. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots. Seas 4 to 6 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 5 to 6 feet. .SUNDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas 4 to 5 feet. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$ AMZ716-090330- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 11 seconds and southeast 2 feet at 5 seconds. Scattered showers. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 3 feet at 10 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 9 seconds. Scattered showers. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds and northeast 1 foot at 12 seconds. Scattered showers. .FRIDAY...Southwest winds around 5 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 7 seconds and northeast 3 feet at 12 seconds. Scattered showers. .FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 12 seconds and east 2 feet at 7 seconds. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet. Scattered showers in the morning, then numerous showers in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 6 feet. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Numerous showers. .SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 4 feet. Numerous showers. $$ AMZ723-090330- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at 11 seconds. Scattered showers late this morning, then isolated showers early this afternoon. Scattered showers late. .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 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: Southeast 4 feet at 5 seconds and northeast 2 feet at 10 seconds. Scattered showers. .THURSDAY NIGHT...Tropical storm conditions possible. Northeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds and east 4 feet at 14 seconds. Scattered showers. .FRIDAY...Tropical storm conditions possible. Southwest winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East 6 feet at 13 seconds and northeast 3 feet at 6 seconds. Scattered showers. .FRIDAY NIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 12 seconds and southeast 4 feet at 5 seconds. Scattered showers. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots in the afternoon. Seas 6 to 7 feet. Numerous showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Numerous showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Numerous showers. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Numerous showers. $$ AMZ726-090330- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds and east 1 foot at 9 seconds. Scattered showers. .FRIDAY...Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and east 3 feet at 14 seconds. Scattered showers. .FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 13 seconds and southeast 3 feet at 4 seconds. Scattered showers. .SATURDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Scattered showers in the morning, then numerous showers in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. $$ AMZ733-090330- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and northeast 1 foot at 12 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...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 11 seconds. Scattered showers. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds and northeast 1 foot at 10 seconds. Scattered showers. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at 6 seconds and east 3 feet at 14 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 13 seconds and east 2 feet at 6 seconds. Scattered showers. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 5 feet. Scattered showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Numerous showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Scattered showers. $$ AMZ735-090330- Coastal Waters of Southern Puerto Rico out 10 NM- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Isolated showers. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Scattered showers in the late evening and overnight. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and east 2 feet at 14 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. $$ AMZ741-090330- Mona Passage Southward to 17N- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: North 4 feet at 12 seconds and east 2 feet at 5 seconds. Isolated showers. .TONIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 5 seconds. Scattered showers after midnight. .THURSDAY...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and north 2 feet at 9 seconds. .THURSDAY NIGHT...East winds around 5 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds and north 2 feet at 9 seconds. .FRIDAY...South winds around 5 knots. Seas around 3 feet. Wave Detail: East 3 feet at 6 seconds and north 2 feet at 11 seconds. .FRIDAY NIGHT...South winds around 5 knots, becoming southeast after midnight. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds and northeast 2 feet at 13 seconds. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. $$ AMZ742-090330- Coastal Waters of Northwestern Puerto Rico out 10 NM- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...South winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 11 seconds and south 1 foot at 3 seconds. Scattered showers with isolated thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 3 seconds. Scattered showers early in the evening. .THURSDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 9 seconds and southeast 2 feet at 4 seconds. Numerous showers in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds and north 3 feet at 9 seconds. .FRIDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds and northeast 2 feet at 12 seconds. .SATURDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. .SUNDAY...Southeast winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 2 to 4 feet. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet. Numerous showers. Winds and seas higher in and near thunderstorms. $$ AMZ745-090330- Coastal Waters of Southwestern Puerto Rico out 10 NM- 1051 AM AST Wed Oct 8 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds and northwest 2 feet at 12 seconds. Scattered showers with isolated thunderstorms early this afternoon. Isolated showers late. .TONIGHT...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 early in the afternoon. Scattered showers late. .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...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds and north 1 foot at 9 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds around 5 knots, becoming southeast after midnight. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds and north 1 foot at 9 seconds. .SATURDAY...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. Winds and seas higher in and near thunderstorms. $$