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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then isolated showers after 3pm.   Seas around 3 ft.

      High: 84 °F

      E 14kt
      3ft

    • Tonight

      Tonight:E wind 7 to 10 kt. Scattered showers, mainly before 9pm.   Seas around 3 ft.

      Low: 82 °F

      E 10kt
      3ft

    • Sunday

      Sunday:E wind 10 to 16 kt. Isolated showers.   Seas around 3 ft.

      High: 84 °F

      E 16kt
      3ft

    • Sunday Night

      Sunday Night:E wind 7 to 10 kt. Isolated showers.   Seas around 3 ft.

      Low: 82 °F

      E 10kt
      3ft

    • Monday

      Monday:E wind 7 to 15 kt, with gusts as high as 21 kt. Scattered showers, with thunderstorms also possible after noon.   Seas 2 to 3 ft.

      High: 84 °F

      E 15kt
      2-3ft

    • Monday Night

      Monday Night:E wind 7 to 9 kt. Isolated showers.   Seas 2 to 3 ft.

      Low: 82 °F

      E 9kt
      2-3ft

    • Tuesday

      Tuesday:E wind 9 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.

      High: 84 °F

      E 16kt
      3ft

    • Tuesday Night

      Tuesday Night:ESE wind 6 to 10 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 82 °F

      ESE 10kt
      2-3ft

    • Wednesday

      Wednesday:E wind 9 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 2 ft.

      High: 84 °F

      E 16kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:24 am EDT Jun 27, 2026
Forecast Valid: 11am EDT Jun 27, 2026-6pm EDT Jul 3, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
E wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then isolated showers after 3pm. Seas around 3 ft.
Tonight
E wind 7 to 10 kt. Scattered showers, mainly before 9pm. Seas around 3 ft.
Sunday
E wind 10 to 16 kt. Isolated showers. Seas around 3 ft.
Sunday Night
E wind 7 to 10 kt. Isolated showers. Seas around 3 ft.
Monday
E wind 7 to 15 kt, with gusts as high as 21 kt. Scattered showers, with thunderstorms also possible after noon. Seas 2 to 3 ft.
Monday Night
E wind 7 to 9 kt. Isolated showers. Seas 2 to 3 ft.
Tuesday
E wind 9 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.
Tuesday Night
ESE wind 6 to 10 kt. Partly cloudy. Seas 2 to 3 ft.
Wednesday
E wind 9 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 2 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: 4:24 am EDT Jun 27, 2026
Forecast Valid: 11am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
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