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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ENE wind around 14 kt. Isolated showers.   Seas around 5 ft.

      Low: 82 °F

      ENE 14kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:ENE wind 16 to 19 kt. Scattered showers, mainly before noon.   Seas 4 to 5 ft.

      High: 84 °F

      ENE 19kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:ENE wind 13 to 15 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight.   Seas around 5 ft.

      Low: 83 °F

      ENE 15kt
      5ft

    • Sunday

      Sunday:E wind around 14 kt. Scattered showers.   Seas around 5 ft.

      High: 84 °F

      E 14kt
      5ft

    • Sunday Night

      Sunday Night:ENE wind 9 to 11 kt. Isolated showers after midnight.   Seas 4 to 5 ft.

      Low: 83 °F

      ENE 11kt
      4-5ft

    • Monday

      Monday:E wind 9 to 11 kt. Scattered showers and thunderstorms before noon, then isolated showers.   Seas 3 to 4 ft.

      High: 84 °F

      E 11kt
      3-4ft

    • Monday Night

      Monday Night:ENE wind around 8 kt. Partly cloudy. Seas around 3 ft.

      Low: 83 °F

      ENE 8kt
      3ft

    • Tuesday

      Tuesday:E wind 8 to 10 kt. Sunny. Seas around 2 ft.

      High: 84 °F

      E 10kt
      2ft

    • Tuesday Night

      Tuesday Night:ENE wind around 8 kt. Partly cloudy. Seas around 2 ft.

      Low: 83 °F

      ENE 8kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:21 pm EDT Aug 14, 2026
Forecast Valid: 11pm EDT Aug 14, 2026-6pm EDT Aug 21, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

Overnight
ENE wind around 14 kt. Isolated showers. Seas around 5 ft.
Saturday
ENE wind 16 to 19 kt. Scattered showers, mainly before noon. Seas 4 to 5 ft.
Saturday Night
ENE wind 13 to 15 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight. Seas around 5 ft.
Sunday
E wind around 14 kt. Scattered showers. Seas around 5 ft.
Sunday Night
ENE wind 9 to 11 kt. Isolated showers after midnight. Seas 4 to 5 ft.
Monday
E wind 9 to 11 kt. Scattered showers and thunderstorms before noon, then isolated showers. Seas 3 to 4 ft.
Monday Night
ENE wind around 8 kt. Partly cloudy. Seas around 3 ft.
Tuesday
E wind 8 to 10 kt. Sunny. Seas around 2 ft.
Tuesday Night
ENE wind around 8 kt. Partly cloudy. Seas around 2 ft.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 17.97°N 65.99°W
Last Update: 9:21 pm EDT Aug 14, 2026
Forecast Valid: 11pm EDT Aug 14, 2026-6pm EDT Aug 21, 2026
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