Coastal Waters Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
733 FZCA52 TJSJ 292019 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 419 PM AST Sat Nov 29 2025 Puerto Rico and the U.S. Virgin Islands Waters AMZ700-300930- 419 PM AST Sat Nov 29 2025 .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS... A surface high pressure over the Central Atlantic, interacting with a cold front moving eastward across the western Atlantic, will promote fresh to strong trade winds this weekend into early next week. This will result in choppy to rough seas across most offshore waters and passages, particularly those offshore Atlantic waters. Therefore, a small craft advisory is in effect from 6 AM on Sunday across the exposed Atlantic waters. $$ AMZ711-300930- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers early this evening. Scattered showers late this evening and early morning, then isolated showers late. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds and north 1 foot at 9 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds and north 2 feet at 9 seconds. Scattered showers in the evening. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 8 seconds and north 2 feet at 9 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds and north 2 feet at 9 seconds. .TUESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds and north 2 feet at 8 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 5 to 6 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas around 5 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds around 10 knots. Seas around 5 feet. Scattered showers. .THURSDAY...East winds around 10 knots. Seas around 5 feet. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet. Scattered showers. $$ AMZ712-300930- Coastal Waters of Northern Puerto Rico out 10 NM- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Isolated showers early this evening, then scattered showers late this evening and overnight. .SUNDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas around 5 feet. Wave Detail: Northeast 5 feet at 8 seconds. Scattered showers. .SUNDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: Northeast 5 feet at 8 seconds and northwest 2 feet at 9 seconds. Scattered showers. .MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 5 feet. Wave Detail: Northeast 5 feet at 8 seconds and north 2 feet at 9 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 5 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 2 feet at 9 seconds. Scattered showers. .TUESDAY...Northeast winds 5 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 2 feet at 8 seconds. Scattered showers in the morning. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 4 to 5 feet. Scattered showers. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet. Scattered showers. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet. Scattered showers. $$ AMZ716-300930- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers early this evening, then scattered showers late this evening and overnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds and northwest 1 foot at 10 seconds. Scattered showers in the evening. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 8 seconds and northwest 2 feet at 9 seconds. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds and northwest 2 feet at 9 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and north 2 feet at 9 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. .THURSDAY...East winds around 10 knots. Seas 3 to 4 feet. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. $$ AMZ723-300930- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 6 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 6 feet. Wave Detail: East 6 feet at 7 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 8 seconds. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 8 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. .TUESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 9 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. .THURSDAY...East winds around 10 knots. Seas 3 to 5 feet. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. $$ AMZ726-300930- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers this evening, then scattered showers after midnight. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers in the morning. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 8 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers. .WEDNESDAY NIGHT...East winds around 10 knots. Seas 2 to 4 feet. Scattered showers. .THURSDAY...East winds around 10 knots. Seas 2 to 4 feet. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. $$ AMZ733-300930- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. Isolated showers early this evening, then scattered showers late this evening and early morning. Isolated showers late. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers in the evening. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave Detail: Northeast 5 feet at 7 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 8 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Scattered showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Scattered showers in the morning. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. $$ AMZ735-300930- Coastal Waters of Southern Puerto Rico out 10 NM- 419 PM AST Sat Nov 29 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers early this evening, then scattered showers late this evening and overnight. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SUNDAY NIGHT...East winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. .MONDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East 3 feet at 7 seconds. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. .TUESDAY...Northeast winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. .THURSDAY...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 3 feet. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers. $$ AMZ741-300930- Mona Passage Southward to 17N- 419 PM AST Sat Nov 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers early this evening, then scattered showers late this evening and early morning. Isolated showers late. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds and north 2 feet at 9 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 2 feet at 9 seconds. .TUESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 2 feet at 8 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming east 5 to 10 knots after midnight. Seas 3 to 4 feet. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 2 to 4 feet. .THURSDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers. $$ AMZ742-300930- Coastal Waters of Northwestern Puerto Rico out 10 NM- 419 PM AST Sat Nov 29 2025 .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Scattered showers early this evening, then isolated showers late this evening and overnight. .SUNDAY...East winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 7 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 1 foot at 9 seconds. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds and north 2 feet at 9 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 2 feet at 9 seconds. .TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and north 2 feet at 9 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming east 5 to 10 knots after midnight. Seas 2 to 4 feet. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 2 to 4 feet. .THURSDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. $$ AMZ745-300930- Coastal Waters of Southwestern Puerto Rico out 10 NM- 419 PM AST Sat Nov 29 2025 .TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and north 1 foot at 7 seconds. Scattered showers early this evening, then isolated showers late this evening. .SUNDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered showers in the afternoon. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds. .MONDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and northwest 2 feet at 8 seconds. Scattered showers in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds. .TUESDAY...Northeast 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: Northeast 2 feet at 6 seconds and north 2 feet at 9 seconds. Scattered showers in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots with gusts up to 20 knots, becoming east after midnight. Seas 2 to 3 feet. .WEDNESDAY...Northeast winds around 5 knots. Seas around 2 feet. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Seas around 2 feet. .THURSDAY...East winds around 5 knots. Seas around 2 feet. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Seas around 2 feet. $$