NWS Marine Forecast


   AMZ700-191815-  143 AM AST Thu Mar 19 2026    .SYNOPSIS FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS WATERS...    As a frontal boundary and pre frontal trough approach the region,  winds will veer from the east southeast and gradually diminish  through the weekend, with locally higher winds possible today across  the Mona Passage. Seas will slowly subside, but choppy to rough  conditions will persist across portions of the local waters. A Small  Craft Advisory remains in effect for the offshore Atlantic waters  through this afternoon. Elsewhere, small craft should exercise  caution. Winds will shift back from the northeast early next week,  with marine conditions generally improving, although unsettled  weather will persist.    $$
   AMZ735-191815-  Coastal Waters of Southern Puerto Rico out 10 NM-  143 AM AST Thu Mar 19 2026    TODAY  East winds 10 to 15 knots with gusts up to 20 knots. Seas  3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Scattered  showers, mainly this morning.  TONIGHT  East winds 10 to 15 knots, diminishing to 5 to 10 knots  after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at  7 seconds.  FRIDAY  Southeast winds 10 to 15 knots with gusts up to 20 knots.  Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds.  Scattered showers in the morning.  FRIDAY NIGHT  Southeast winds 5 to 10 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 6 seconds.  SATURDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 2 feet at 6 seconds.  SATURDAY NIGHT  Southeast winds around 5 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 2 feet at 6 seconds and east 2 feet at  9 seconds. Scattered showers.  SUNDAY  East winds around 5 knots, becoming southeast in the  afternoon. Seas around 2 feet. Scattered showers in the afternoon.  SUNDAY NIGHT  Northeast winds 5 to 10 knots. Seas 2 to 3 feet.  Numerous showers.  MONDAY  East winds 5 to 10 knots. Seas 2 to 3 feet.  MONDAY NIGHT  Northeast winds 5 to 10 knots. Seas 2 to 3 feet.  Scattered showers.    $$