NWS Marine Forecast


   AMZ700-102200-  344 AM AST Mon Aug 10 2026    .Synopsis for Puerto Rico and the U.S. Virgin Islands Waters...    The Atlantic ridge will maintain moderate to locally fresh  easterly winds today, with choppy seas occasionally reaching  around 6 feet. Winds and seas should ease somewhat Tuesday as the  pressure gradient relaxes. A tropical wave crossing the eastern  Caribbean Tuesday into Wednesday will increase the potential for  showers and thunderstorms over the local waters. Winds will begin  increasing again Wednesday night as the pressure gradient tightens  behind the wave, with increasingly hazardous conditions for small  craft expected Thursday into Friday. Easterly winds could reach 20  to 25 knots, with seas building to around 6 to 9 feet late in the  workweek.      $$
   AMZ742-102200-  Coastal Waters of Northwestern Puerto Rico out 10 NM-  344 AM AST Mon Aug 10 2026    TODAY  East winds 5 to 10 knots, becoming northeast 10 to 15 knots  this afternoon. Gusts up to 25 knots. Seas 2 to 4 feet, occasionally  to 5 feet. Wave Detail: Northeast 3 feet at 6 seconds and south  1 foot at 5 seconds. Scattered showers with isolated thunderstorms  this afternoon.  TONIGHT  East winds 10 to 15 knots with gusts up to 25 knots. Seas  2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet  at 6 seconds and south 1 foot at 5 seconds.  TUESDAY  East winds 10 to 15 knots, diminishing to 5 to 10 knots  in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave  Detail: Northeast 3 feet at 6 seconds and south 1 foot at 6 seconds.  Showers in the afternoon.  TUESDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Northeast 2 feet at 5 seconds and south 1 foot at 6 seconds.  Scattered showers in the evening.  WEDNESDAY  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Northeast 2 feet at 6 seconds and south 1 foot at 6 seconds.  Scattered showers in the afternoon.  WEDNESDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Northeast 2 feet at 7 seconds and south 1 foot at 6 seconds.  Scattered showers in the evening.  THURSDAY  East winds 10 to 15 knots, diminishing to 5 to 10 knots  in the afternoon. Seas 2 to 3 feet. Scattered showers in the  afternoon.  THURSDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet.  FRIDAY  East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally  to 5 feet. Scattered showers in the afternoon.  FRIDAY NIGHT  East winds 15 to 20 knots, diminishing to 10 to  15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.    Winds and seas higher in and near thunderstorms.    $$