


Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
643 FZCA52 TJSJ 092052 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 452 PM AST Thu Oct 9 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-100930- 452 PM AST Thu Oct 9 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... Jerry will move near the Northern Leeward Islands this evening and tonight, at a safe distance from the local islands. Although no direct tropical storm impacts are expected, indirect marine impacts will spread across the regional waters by late tonight into the weekend. Swells generated by Jerry will lead to hazardous seas up to 8 to 9 feet, particularly across the offshore Atlantic waters and the Anegada Passage, where a Small Craft Advisory will be in effect from midnight through late Friday night. Mariners should exercise caution, as conditions will deteriorate late tonight through early in the weekend before gradually improving. $$ AMZ711-100930- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 452 PM AST Thu Oct 9 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT AST TONIGHT THROUGH LATE FRIDAY NIGHT... .TONIGHT...Northeast winds 5 to 10 knots. Seas 4 to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and northeast 3 feet at 13 seconds. Scattered showers this evening, then isolated showers and thunderstorms after midnight. .FRIDAY...West winds 5 to 10 knots. Seas 5 to 7 feet, building to 6 to 9 feet in the afternoon. Wave Detail: East 8 feet at 12 seconds and northeast 3 feet at 7 seconds. Scattered showers early in the morning. Numerous showers late. .FRIDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 6 to 9 feet. Wave Detail: East 8 feet at 12 seconds and northeast 3 feet at 10 seconds. Numerous showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East 6 feet at 11 seconds. Numerous showers in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 9 seconds and north 1 foot at 11 seconds. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at 9 seconds and south 1 foot at 5 seconds. Scattered showers. .SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 4 to 5 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas 4 to 5 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. .TUESDAY...East winds 5 to 10 knots. Seas around 4 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ712-100930- Coastal Waters of Northern Puerto Rico out 10 NM- 452 PM AST Thu Oct 9 2025 .TONIGHT...Northeast winds 5 to 10 knots, becoming south after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 1 foot at 12 seconds. Isolated showers early this evening, then scattered showers late this evening and early morning. Isolated showers late. .FRIDAY...West winds around 5 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 3 feet at 12 seconds. Scattered showers in the late morning and afternoon. .FRIDAY NIGHT...Southwest winds around 5 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 11 seconds and northeast 3 feet at 8 seconds. Scattered showers in the evening, then numerous showers after midnight. .SATURDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds. Showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 11 seconds. .SUNDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds and north 2 feet at 11 seconds. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas around 4 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 4 feet. Scattered showers. .TUESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas 3 to 4 feet. $$ AMZ716-100930- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 452 PM AST Thu Oct 9 2025 .TONIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 1 foot at 13 seconds. Scattered showers. Isolated thunderstorms after midnight. .FRIDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 3 feet at 12 seconds. Scattered showers in the morning. Numerous showers in the afternoon. .FRIDAY NIGHT...Southwest winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 12 seconds and northeast 2 feet at 7 seconds. Numerous showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave Detail: Northeast 3 feet at 10 seconds and south 2 feet at 4 seconds. Numerous showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds and south 2 feet at 4 seconds. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 5 seconds. Numerous showers. .SUNDAY NIGHT...East winds around 10 knots. Seas 2 to 4 feet. Numerous showers. .MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. .MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. .TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ AMZ723-100930- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 452 PM AST Thu Oct 9 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT AST TONIGHT THROUGH LATE FRIDAY NIGHT... .TONIGHT...North winds 5 to 10 knots. Seas 3 to 4 feet, building to 4 to 6 feet after midnight. Wave Detail: East 5 feet at 13 seconds and northeast 3 feet at 8 seconds. Scattered showers this evening, then numerous showers with isolated thunderstorms after midnight. .FRIDAY...Southwest 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 12 seconds. Numerous showers. .FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to 25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 12 seconds and south 5 feet at 7 seconds. Numerous showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds and northeast 4 feet at 9 seconds. Numerous 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. Wave Detail: Southeast 4 feet at 7 seconds and northeast 2 feet at 9 seconds. Numerous showers. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and east 2 feet at 9 seconds. 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 around 10 knots. Seas 3 to 4 feet. .MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. .TUESDAY...East winds 5 to 10 knots. Seas around 3 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. Winds and seas higher in and near thunderstorms. $$ AMZ726-100930- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 452 PM AST Thu Oct 9 2025 .TONIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds and southeast 1 foot at 4 seconds. Scattered showers. .FRIDAY...Southwest winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 12 seconds and east 2 feet at 7 seconds. Scattered showers in the morning. Numerous showers in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 5 feet at 12 seconds and south 2 feet at 4 seconds. Numerous showers. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: South 3 feet at 7 seconds and east 3 feet at 8 seconds. Numerous showers. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: South 4 feet at 7 seconds and east 3 feet at 9 seconds. Scattered showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and east 2 feet at 9 seconds. Scattered showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. $$ AMZ733-100930- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 452 PM AST Thu Oct 9 2025 .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds. Scattered showers. Isolated thunderstorms late. .FRIDAY...Southwest 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 morning, then numerous 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 3 to 5 feet. Wave Detail: East 4 feet at 12 seconds and east 2 feet at 7 seconds. .SATURDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 4 feet at 8 seconds and east 3 feet at 12 seconds. Numerous 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. Wave Detail: Southeast 4 feet at 7 seconds and east 4 feet at 8 seconds. Numerous showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds and east 2 feet at 9 seconds. Numerous showers in the morning. .SUNDAY NIGHT...East winds around 10 knots. Seas around 3 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots. Seas around 3 feet. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 3 feet. .TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ AMZ735-100930- Coastal Waters of Southern Puerto Rico out 10 NM- 452 PM AST Thu Oct 9 2025 .TONIGHT...Northeast winds around 5 knots. Seas around 2 feet. Wave Detail: East 1 foot at 6 seconds. Isolated showers early this evening. Scattered showers late this evening, then isolated showers after midnight. .FRIDAY...West winds around 5 knots, becoming southwest in the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. Scattered showers in the late morning and afternoon. .FRIDAY NIGHT...Southwest winds around 5 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 13 seconds and southeast 1 foot at 5 seconds. Scattered showers early in the evening. Numerous showers after midnight. .SATURDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at 12 seconds and southeast 2 feet at 8 seconds. Numerous showers in the morning. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 8 seconds and east 2 feet at 11 seconds. Scattered showers. .SUNDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the morning. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. $$ AMZ741-100930- Mona Passage Southward to 17N- 452 PM AST Thu Oct 9 2025 .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 seconds. Isolated showers early this evening. Isolated showers after midnight. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds and northeast 1 foot at 12 seconds. Scattered showers late in the morning. .FRIDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 7 seconds and northeast 2 feet at 12 seconds. Scattered showers in the evening. .SATURDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas around 3 feet. Wave Detail: East 3 feet at 12 seconds and northeast 2 feet at 8 seconds. Numerous showers in the morning. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 11 seconds. .SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds and east 4 feet at 11 seconds. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .MONDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. .TUESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. $$ AMZ742-100930- Coastal Waters of Northwestern Puerto Rico out 10 NM- 452 PM AST Thu Oct 9 2025 .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 9 seconds. .FRIDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and northeast 2 feet at 12 seconds. Scattered showers late. .FRIDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 8 seconds and northeast 2 feet at 12 seconds. .SATURDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 11 seconds and south 1 foot at 3 seconds. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and northeast 2 feet at 10 seconds. .SUNDAY...Southeast winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and northeast 2 feet at 10 seconds. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet. Numerous showers. .MONDAY...East winds around 5 knots. Seas 2 to 4 feet. Scattered showers in the morning, then numerous showers in the afternoon. .MONDAY NIGHT...East winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 2 to 4 feet. Scattered showers. .TUESDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Scattered showers. $$ AMZ745-100930- Coastal Waters of Southwestern Puerto Rico out 10 NM- 452 PM AST Thu Oct 9 2025 .TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and north 1 foot at 9 seconds. .FRIDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and north 1 foot at 9 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and north 1 foot at 9 seconds. .SATURDAY...Southeast winds around 5 knots, becoming south in the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and northwest 1 foot at 11 seconds. Scattered showers in the morning. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds and northwest 1 foot at 10 seconds. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Scattered showers. .TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. $$