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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:E wind around 14 kt. Scattered showers and thunderstorms.   Seas around 3 ft.

      High: 86 °F

      E 14kt
      3ft

    • Tonight

      Tonight:E wind 8 to 10 kt. Scattered showers, mainly between 9pm and 3am.   Seas around 3 ft.

      Low: 79 °F

      E 10kt
      3ft

    • Independence Day

      Independence Day:E wind 11 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after noon.   Seas around 3 ft.

      High: 86 °F

      E 15kt
      3ft

    • Saturday Night

      Saturday Night:E wind 8 to 10 kt. Isolated showers after 9pm.   Seas around 3 ft.

      Low: 80 °F

      E 10kt
      3ft

    • Sunday

      Sunday:E wind 8 to 16 kt, with gusts as high as 22 kt. Isolated showers.   Seas around 3 ft.

      High: 86 °F

      E 16kt
      3ft

    • Sunday Night

      Sunday Night:E wind around 11 kt. Isolated showers.   Seas around 3 ft.

      Low: 80 °F

      E 11kt
      3ft

    • Monday

      Monday:E wind 12 to 16 kt. Mostly sunny. Seas around 3 ft.

      High: 86 °F

      E 16kt
      3ft

    • Monday Night

      Monday Night:E wind around 10 kt. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      E 10kt
      3ft

    • Tuesday

      Tuesday:E wind 12 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 86 °F

      E 16kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:39 pm EDT Jul 3, 2026
Forecast Valid: 5pm EDT Jul 3, 2026-6pm EDT Jul 10, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Late Afternoon
E wind around 14 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Tonight
E wind 8 to 10 kt. Scattered showers, mainly between 9pm and 3am. Seas around 3 ft.
Independence Day
E wind 11 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after noon. Seas around 3 ft.
Saturday Night
E wind 8 to 10 kt. Isolated showers after 9pm. Seas around 3 ft.
Sunday
E wind 8 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Sunday Night
E wind around 11 kt. Isolated showers. Seas around 3 ft.
Monday
E wind 12 to 16 kt. Mostly sunny. Seas around 3 ft.
Monday Night
E wind around 10 kt. Partly cloudy. Seas around 3 ft.
Tuesday
E wind 12 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 ft.

Winds and seas higher in and near thunderstorms.

*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: 18.45°N 66.1°W
Last Update: 3:39 pm EDT Jul 3, 2026
Forecast Valid: 5pm EDT Jul 3, 2026-6pm EDT Jul 10, 2026
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