NWS Marine Forecast


   AMZ700-182200-  343 AM AST Fri Sep 18 2026    .Synopsis for Puerto Rico and the U.S. Virgin Islands Waters...    A surface high pressure system over the western into central  Atlantic will dominate the regional weather pattern, leading to  gentle to moderate east-southeasterly winds for the next few days.  Tropical moisture will move over the area later today into the  weekend and early next week, enhancing the potential for isolated  thunderstorms and localized hazardous marine conditions.      $$
   AMZ745-182200-  Coastal Waters of Southwestern Puerto Rico out 10 NM-  343 AM AST Fri Sep 18 2026    TODAY  Southeast winds 10 to 15 knots, becoming east 5 to 10 knots  late. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds.  Isolated showers early this afternoon. Scattered showers late.  TONIGHT  East winds 10 to 15 knots, diminishing to 5 to 10 knots  after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at  6 seconds and north 1 foot at 9 seconds. Scattered showers in the  evening.  SATURDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 2 feet at 6 seconds and north 2 feet at 8 seconds.  Scattered showers in the afternoon.  SATURDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 2 feet at 6 seconds and north 2 feet at 8 seconds.  Scattered showers in the evening.  SUNDAY  East winds 10 to 15 knots, becoming southeast 5 to  10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast  2 feet at 6 seconds and north 1 foot at 8 seconds.  SUNDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 2 feet at 5 seconds and north 1 foot at 7 seconds.  MONDAY  Southeast winds 10 to 15 knots. Seas around 2 feet.  Scattered showers in the afternoon.  MONDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet.  TUESDAY  Southeast winds 10 to 15 knots. Seas 2 to 3 feet.  TUESDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet.    $$