NWS Marine Forecast


   AMZ700-240915-  423 PM AST Mon Mar 23 2026    .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...  The lingering frontal boundary will continue to promote unsettled  marine conditions tonight, with showers across the local waters. A  fading long-period northerly swell will maintain hazardous seas  across the Atlantic waters through late tonight. However, moderate to  locally fresh north-northeasterly winds will produce choppy seas,  particularly across the regional waters. A surface high pressure  building from the western to central Atlantic will maintain  northeasterly winds through the first part of the week, with  increasing winds and seas expected by midweek.    $$
   AMZ742-240915-  Coastal Waters of Northwestern Puerto Rico out 10 NM-  423 PM AST Mon Mar 23 2026    SMALL CRAFT SHOULD EXERCISE CAUTION    TONIGHT  Northeast winds 10 to 15 knots with gusts up to 25 knots.  Seas 4 to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds.  Isolated showers.  TUESDAY  Northeast winds 10 to 15 knots with gusts up to 20 knots.  Seas 3 to 5 feet. Wave Detail: North 4 feet at 8 seconds. Scattered  showers in the afternoon.  TUESDAY NIGHT  Northeast winds 10 to 15 knots with gusts up to  20 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 9 seconds.  WEDNESDAY  East winds 5 to 10 knots with gusts up to 20 knots,  diminishing to around 5 knots in the afternoon. Seas 2 to 4 feet.  Wave Detail: North 4 feet at 8 seconds. Numerous showers in the  afternoon.  WEDNESDAY NIGHT  East winds around 5 knots. Seas 2 to 4 feet. Wave  Detail: Northeast 3 feet at 8 seconds and south 1 foot at 6 seconds.  Scattered showers.  THURSDAY  East winds around 5 knots. Seas 2 to 4 feet. Wave  Detail: Northeast 3 feet at 10 seconds and south 1 foot at  6 seconds. Numerous showers in the afternoon.  THURSDAY NIGHT  East winds around 5 knots. Seas 2 to 4 feet.  Scattered showers.  FRIDAY  East winds 5 to 10 knots, becoming northeast 10 to  15 knots in the afternoon. Seas 2 to 4 feet. Scattered showers in  the afternoon.  FRIDAY NIGHT  East winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas 3 to 5 feet. Scattered showers.  SATURDAY  Northeast winds 5 to 10 knots. Seas 2 to 4 feet.  Numerous showers in the afternoon.  SATURDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 4 feet.    $$