Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
539 FZCA52 TJSJ 181344 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 944 AM AST Wed Sep 18 2024 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-190215- 944 AM AST Wed Sep 18 2024 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... East-northeast winds will dominate, gradually becoming variable and weakening from Thursday throughout the weekend. Showers are expected to persist over the local Atlantic waters and Caribbean passages today, with a chance of isolated thunderstorms off the western coast of Puerto Rico each afternoon. Overall, seas will range from 3 to 4 feet, occasionally reaching 5 to 6 feet in some areas, while southern coastal regions of the islands will experience lower seas in the coming days. $$ AMZ711-190215- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 10 seconds and east 3 feet at 5 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 9 seconds. Scattered showers after midnight. .THURSDAY...Northeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 9 seconds. Scattered showers. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers after midnight. .FRIDAY...East winds around 5 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 10 seconds. .FRIDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas around 4 feet, occasionally to 5 feet. Scattered showers in the morning. .SATURDAY NIGHT...East winds around 5 knots. Seas around 4 feet, occasionally to 5 feet. Scattered showers. .SUNDAY...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas around 3 feet, occasionally to 4 feet. Scattered showers. $$ AMZ712-190215- Coastal Waters of Northern Puerto Rico out 10 NM- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 25 knots this afternoon. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...East winds 5 to 10 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 9 seconds and northeast 1 foot at 14 seconds. .THURSDAY...East winds around 5 knots, becoming northeast in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds and northeast 1 foot at 14 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers after midnight. .FRIDAY...Southeast winds around 5 knots, becoming northeast in the afternoon. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers. .SATURDAY...Southeast winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 4 feet, occasionally to 5 feet. Scattered showers. .SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas around 4 feet, occasionally to 5 feet. Scattered showers. .SUNDAY...Southeast winds around 5 knots, becoming northeast in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet, occasionally to 4 feet. Scattered showers. $$ AMZ716-190215- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 9 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds and east 2 feet at 5 seconds. Scattered showers after midnight. .THURSDAY...Northeast winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds. Scattered showers. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds. .FRIDAY...Southeast winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. Scattered showers in the morning. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. .SATURDAY...Southeast winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. .SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. .SUNDAY...South winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. $$ AMZ723-190215- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 5 to 10 knots. Seas around 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 9 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 9 seconds and southeast 2 feet at 5 seconds. Scattered showers after midnight. .THURSDAY...East winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 10 seconds and southeast 1 foot at 4 seconds. .THURSDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds and southeast 1 foot at 4 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .SUNDAY...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers in the morning. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet, occasionally to 4 feet. $$ AMZ726-190215- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds around 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 10 seconds and east 2 feet at 5 seconds. Scattered showers late this morning, then isolated showers this afternoon. .TONIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 2 feet at 5 seconds and east 2 feet at 9 seconds. Scattered showers after midnight. .THURSDAY...East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 9 seconds and southeast 1 foot at 4 seconds. Scattered showers. .THURSDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 9 seconds and southeast 1 foot at 4 seconds. .FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 9 seconds and south 1 foot at 4 seconds. Scattered showers in the morning. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 2 feet at 10 seconds and southeast 1 foot at 4 seconds. .SATURDAY...Southeast winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. .SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. .SUNDAY...South winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the morning. .SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. $$ AMZ733-190215- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...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 east 1 foot at 10 seconds. Isolated showers this afternoon. .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 5 seconds and east 1 foot at 10 seconds. Scattered showers. .THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 5 seconds and east 2 feet at 9 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at 9 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 9 seconds and southeast 1 foot at 4 seconds. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at 10 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Scattered showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. $$ AMZ735-190215- Coastal Waters of Southern Puerto Rico out 10 NM- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers this afternoon. .TONIGHT...East winds 5 to 10 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers in the evening. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at 9 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at 9 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and east 1 foot at 9 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and east 1 foot at 9 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY NIGHT...East winds around 5 knots. Seas around 2 feet. .SUNDAY...East winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. $$ AMZ741-190215- Mona Passage Southward to 17N- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots late. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds and north 2 feet at 9 seconds. Isolated showers this afternoon. .TONIGHT...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 6 seconds and northeast 2 feet at 9 seconds. Scattered showers after midnight. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 3 feet, occasionally to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 2 feet at 9 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at 9 seconds. Scattered showers. .FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds and southeast 2 feet at 5 seconds. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds and southeast 2 feet at 4 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers. $$ AMZ742-190215- Coastal Waters of Northwestern Puerto Rico out 10 NM- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...East winds 5 to 10 knots, diminishing to around 5 knots late. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: East 2 feet at 6 seconds and north 2 feet at 9 seconds. Scattered showers with isolated thunderstorms this afternoon. .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 7 seconds. .THURSDAY...East winds 5 to 10 knots, becoming north in the afternoon. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 5 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet, occasionally to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 seconds. .FRIDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds and south 1 foot at 4 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 10 seconds. .SATURDAY...South winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. .SUNDAY...Southeast winds around 5 knots, becoming south around 5 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. .SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet, occasionally to 4 feet. Winds and seas higher in and near thunderstorms. $$ AMZ745-190215- Coastal Waters of Southwestern Puerto Rico out 10 NM- 944 AM AST Wed Sep 18 2024 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds and north 1 foot at 7 seconds. Scattered showers with isolated thunderstorms early this afternoon. Scattered showers late. .TONIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds and northwest 1 foot at 7 seconds. Scattered showers in the evening. .THURSDAY...East winds around 5 knots, becoming west around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds and north 1 foot at 6 seconds. Numerous showers in the afternoon. .THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds and north 1 foot at 8 seconds. .FRIDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds and northwest 1 foot at 8 seconds. Scattered showers in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds and north 1 foot at 8 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. .SUNDAY...Southeast winds around 5 knots. Seas around 2 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$