FZCA52 TJSJ 080735 CWFSJU Coastal Waters Forecast National Weather Service San Juan PR 335 AM AST Wed Jul 8 2026 Puerto Rico and the U.S. Virgin Islands Waters Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. AMZ700-082200- 335 AM AST Wed Jul 8 2026 .Synopsis for Puerto Rico and the U.S. Virgin Islands Waters.... A broad surface high pressure over the central Atlantic will maintain moderate to fresh east to east-southeast winds and choppy to hazardous seas through the end of the workweek. A fast-moving tropical wave will briefly increase showers and isolated thunderstorms this morning before drier, dustier conditions return by later this evening. Moderate to high concentrations of Saharan dust will continue to produce hazy skies and occasional visibility reductions. Small craft advisories will be in effect from noon today through late Friday night, due to a combination of 7 ft seas and 20- 25 kt easterlies across both Atlantic and Caribbean waters, including the Mona Passage.. $$ AMZ711-082200- Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON AST TODAY THROUGH FRIDAY EVENING... .TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers with isolated thunderstorms this morning, then isolated showers this afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds. .THURSDAY...East winds 15 to 20 knots with gusts up to 35 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY NIGHT...East winds 15 to 20 knots with gusts up to 35 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas around 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$ AMZ712-082200- Coastal Waters of Northern Puerto Rico out 10 NM- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON AST TODAY THROUGH THIS EVENING... .TODAY...East winds 10 to 15 knots with gusts up to 25 knots, increasing to 25 to 30 knots. Seas 5 to 7 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Numerous showers with isolated thunderstorms this morning, then scattered showers early this afternoon. Isolated showers late. .TONIGHT...East winds 20 to 25 knots, diminishing to 10 to 15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY...East winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Gusts up to 35 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY NIGHT...East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Gusts up to 35 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY...East winds 15 to 20 knots, increasing to 20 to25 knots in the afternoon. Gusts up to 35 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$ AMZ716-082200- Coastal Waters from Cabo San Juan to the waters between Anegada Island and Virgin Gorda and North 10 NM- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers, mainly this morning. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .THURSDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .THURSDAY NIGHT...East winds around 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .FRIDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SUNDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SUNDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ723-082200- Anegada Passage east of Virgin Gorda and Saint Croix south to 17N- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas around 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers this morning. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY...East winds around 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY NIGHT...East winds around 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds and northeast 1 foot at 10 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas around 4 feet, occasionally to 5 feet. $$ AMZ726-082200- Coastal waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. Scattered showers early this morning, then isolated showers late this morning and afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds. .THURSDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. .THURSDAY NIGHT...East winds around 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. .FRIDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .SUNDAY...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. $$ AMZ733-082200- Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON AST TODAY THROUGH FRIDAY EVENING... .TODAY...East winds around 20 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers with isolated thunderstorms early this morning, then isolated showers late this morning and afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY...East winds around 20 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .THURSDAY NIGHT...East winds around 20 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .FRIDAY...East winds around 20 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .FRIDAY NIGHT...East winds around 20 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$ AMZ735-082200- Coastal Waters of Southern Puerto Rico out 10 NM- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON AST TODAY THROUGH THIS EVENING... .TODAY...East winds 15 to 20 knots with gusts up to 30 knots, increasing to 20 to 25 knots with gusts up to 35 knots this afternoon. Seas 5 to 7 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers with isolated thunderstorms this morning, then isolated showers this afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds. .THURSDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .THURSDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$ AMZ741-082200- Mona Passage Southward to 17N- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON AST TODAY THROUGH FRIDAY EVENING... .TODAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers until late afternoon. Isolated thunderstorms this afternoon. Isolated showers late. .TONIGHT...East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .THURSDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. Scattered showers. .THURSDAY NIGHT...East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .FRIDAY...East winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds. .FRIDAY NIGHT...East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Winds and seas higher in and near thunderstorms. $$ AMZ742-082200- Coastal Waters of Northwestern Puerto Rico out 10 NM- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 10 to 15 knots with gusts up to 25 knots, increasing to 15 to 20 knots with gusts up to 30 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Isolated showers this morning, then showers with isolated thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots with gusts up to 30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds. .THURSDAY...East winds 10 to 15 knots with gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Scattered showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. .FRIDAY...Northeast winds 10 to 15 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. .FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 7 seconds. .SATURDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionallyto 5 feet. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$ AMZ745-082200- Coastal Waters of Southwestern Puerto Rico out 10 NM- 335 AM AST Wed Jul 8 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 5 to 10 knots, increasing to 15 to 20 knots with gusts up to 30 knots late this morning and afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. Isolated showers this morning, then isolated thunderstorms early this afternoon. Scattered showers this afternoon. .TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 6 seconds. .THURSDAY...East winds 15 to 20 knots with gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY...East winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. Gusts up to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 7 seconds. .FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds. .SATURDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Scattered showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$