


Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
792 FZCA52 TJSJ 082020 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 420 PM AST Wed Oct 8 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-090930- 420 PM 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 produce thunderstorms over the western waters of Puerto Rico through this evening. Tropical Storm Jerry is expected to move northeast of the region by Friday, increasing shower and thunderstorm activity once again across the regional waters. Swells from Jerry could also result in hazardous seas as Jerry tracks northeast of the region through the weekend. $$ AMZ711-090930- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and northeast 3 feet at 10 seconds. Isolated showers. .THURSDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds and northeast 3 feet at 9 seconds. Scattered showers late in the morning. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 7 seconds and northeast 3 feet at 9 seconds. Scattered showers in the evening. .FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 5 to 7 feet, building to 6 to 9 feet in the afternoon. Wave Detail: Northeast 9 feet at 13 seconds and east 2 feet at 7 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 5 to 8 feet. Wave Detail: East 8 feet at 13 seconds. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 7 feet. Wave Detail: East 7 feet at 11 seconds. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Scattered showers. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Scattered showers. $$ AMZ712-090930- Coastal Waters of Northern Puerto Rico out 10 NM- 420 PM AST Wed Oct 8 2025 .TONIGHT...Southeast winds 5 to 10 knots. Seas around 4 feet. Wave Detail: East 3 feet at 7 seconds and northeast 3 feet at 10 seconds. Isolated showers this evening. Scattered showers after midnight, then isolated showers late. .THURSDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds and north 3 feet at 9 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...South winds around 5 knots. Seas around 3 feet. Wave Detail: Northeast 3 feet at 9 seconds and east 2 feet at 7 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 10 seconds and east 2 feet at 7 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds around 5 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 14 seconds and east 2 feet at 7 seconds. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at 13 seconds. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 3 to 5 feet. .SUNDAY...East winds around 5 knots. Seas 3 to 4 feet. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas around 4 feet. Scattered showers. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas around 4 feet. Scattered showers. $$ AMZ716-090930- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 3 feet at 11 seconds. Scattered showers. .THURSDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds and northeast 3 feet at 10 seconds. Scattered showers. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and east 2 feet at 7 seconds. Scattered showers. .FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds and east 2 feet at 7 seconds. Scattered showers. .FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 12 seconds and south 3 feet at 4 seconds. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds and south 3 feet at 4 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Numerous showers. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Numerous showers. .MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. $$ AMZ723-090930- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 420 PM AST Wed Oct 8 2025 .TONIGHT...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 3 feet at 10 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 around 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 10 seconds. Scattered showers. .THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas 4 to 6 feet. Wave Detail: East 5 feet at 13 seconds and east 3 feet at 7 seconds. Scattered showers. .FRIDAY...South winds 5 to 10 knots, increasing to 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 south 2 feet at 3 seconds. Scattered showers. .FRIDAY NIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 5 to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds and northeast 5 feet at 12 seconds. Scattered showers. .SATURDAY...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds and northeast 4 feet at 10 seconds. Numerous showers. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. Numerous showers. .SUNDAY...East winds 5 to 10 knots. Seas around 3 feet. Numerous showers. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Numerous showers. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. .MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. $$ AMZ726-090930- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .THURSDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: East 2 feet at 6 seconds and northeast 2 feet at 10 seconds. Scattered showers. .FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 4 feet at 13 seconds and east 2 feet at 7 seconds. Scattered showers. .FRIDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 5 feet at 12 seconds and south 3 feet at 4 seconds. Scattered showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds and east 3 feet at 11 seconds. Scattered showers in the morning, then numerous showers in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Scattered showers. .MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. $$ AMZ733-090930- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. 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, becoming southeast 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 5 to 10 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 13 seconds and east 2 feet at 6 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds and east 3 feet at 13 seconds. Scattered showers. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds and east 3 feet at 13 seconds. Scattered showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 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 10 to 15 knots. Seas around 3 feet. Scattered showers. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. .MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. $$ AMZ735-090930- Coastal Waters of Southern Puerto Rico out 10 NM- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Isolated showers early this evening, then scattered showers late this evening and overnight. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .FRIDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and east 2 feet at 14 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 2 feet at 13 seconds. Scattered showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas around 3 feet. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. $$ AMZ741-090930- Mona Passage Southward to 17N- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: North 3 feet at 11 seconds and southeast 2 feet at 5 seconds. Isolated showers this evening. Scattered showers after midnight, then isolated showers late. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 9 seconds and east 2 feet at 4 seconds. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds and north 2 feet at 9 seconds. .FRIDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and northeast 2 feet at 9 seconds. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and northeast 2 feet at 11 seconds. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 12 seconds and southeast 2 feet at 6 seconds. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. $$ AMZ742-090930- Coastal Waters of Northwestern Puerto Rico out 10 NM- 420 PM AST Wed Oct 8 2025 .TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: North 4 feet at 11 seconds and south 2 feet at 3 seconds. Scattered showers early this evening. .THURSDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 8 seconds and south 1 foot at 3 seconds. Numerous showers in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 9 seconds and south 1 foot at 3 seconds. .FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 9 seconds. .SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and northeast 2 feet at 11 seconds. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet. .SUNDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Numerous showers. .MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers in the morning, then numerous showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers. $$ AMZ745-090930- Coastal Waters of Southwestern Puerto Rico out 10 NM- 420 PM AST Wed Oct 8 2025 .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. Isolated showers. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds and northwest 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 3 seconds and north 1 foot at 9 seconds. .FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds and north 1 foot at 9 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds and north 1 foot at 9 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 3 seconds and northwest 1 foot at 9 seconds. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. $$