NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ700-220915-  426 PM AST Wed Jan 21 2026    .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...    A broad surface high pressure over the central Atlantic will  continue to strengthen during the next few days, tightening the local  pressure gradient and promoting fresh to locally strong easterlies  through much of the rest of workweek. This strong surface high  pressure will maintain the frontal boundary off to the west of the  northeast Caribbean. A surface trough will move across the Northeast  Caribbean around Thursday, affecting Puerto Rico and the US Virgin  Islands through Saturday.    $$
   AMZ726-220915-  Coastal waters east of Puerto Rico, around Vieques, and around and  just north of Culebra and Saint John-  426 PM AST Wed Jan 21 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT    TONIGHT  East winds 20 to 25 knots with gusts up to 30 knots. Seas  5 to 8 feet. Wave Detail: East 7 feet at 10 seconds and east 6 feet  at 6 seconds. Scattered showers until early morning, then numerous  showers late.  THURSDAY  East winds 15 to 20 knots with gusts up to 30 knots.  Seas 5 to 8 feet. Wave Detail: East 7 feet at 10 seconds and east  5 feet at 7 seconds. Scattered showers in the morning, then numerous  showers in the afternoon.  THURSDAY NIGHT  East winds 15 to 20 knots with gusts up to  25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 10 seconds  and east 5 feet at 6 seconds. Numerous showers, mainly in the  evening.  FRIDAY  East winds 15 to 20 knots with gusts up to 25 knots. Seas  4 to 6 feet. Wave Detail: East 6 feet at 10 seconds. Numerous  showers.  FRIDAY NIGHT  East winds around 15 knots with gusts up to  25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 10 seconds  and east 2 feet at 5 seconds. Scattered showers.  SATURDAY  East winds around 15 knots with gusts up to 25 knots.  Seas 4 to 6 feet. Wave Detail: East 5 feet at 10 seconds and east  3 feet at 5 seconds. Scattered showers in the morning.  SATURDAY NIGHT  East winds 15 to 20 knots with gusts up to  25 knots. Seas 4 to 6 feet. Scattered showers.  SUNDAY  East winds 15 to 20 knots. Seas 4 to 6 feet.  SUNDAY NIGHT  East winds 15 to 20 knots. Seas 4 to 5 feet.  MONDAY  East winds 10 to 15 knots. Seas 4 to 5 feet.  MONDAY NIGHT  East winds 10 to 15 knots. Seas 3 to 5 feet.    $$