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San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:ENE wind around 10 kt. Scattered showers and thunderstorms.   Seas around 3 ft.

      High: 81 °F

      ENE 10kt
      3ft

    • Tonight

      Tonight:ENE wind around 8 kt. Scattered showers.   Seas around 3 ft.

      Low: 75 °F

      ENE 8kt
      3ft

    • Sunday

      Sunday:NE wind 7 to 11 kt. Scattered showers, with thunderstorms also possible after 3pm.   Seas around 3 ft.

      High: 82 °F

      NE 11kt
      3ft

    • Sunday Night

      Sunday Night:NE wind around 12 kt. Scattered showers, mainly after 3am.   Seas 3 to 4 ft.

      Low: 74 °F

      NE 12kt
      3-4ft

    • Monday

      Monday:ENE wind 12 to 15 kt. Scattered showers.   Seas around 4 ft.

      High: 82 °F

      ENE 15kt
      4ft

    • Monday Night

      Monday Night:ENE wind around 12 kt. Showers likely and possibly a thunderstorm.   Seas 5 to 6 ft.

      Low: 74 °F

      ENE 12kt
      5-6ft

    • Tuesday

      Tuesday:ENE wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas 7 to 8 ft.

      High: 81 °F

      ENE 14kt
      7-8ft

    • Tuesday Night

      Tuesday Night:ENE wind around 13 kt. Showers likely.   Seas around 8 ft.

      Low: 73 °F

      ENE 13kt
      8ft

    • Wednesday

      Wednesday:ENE wind 12 to 14 kt. Showers likely.   Seas around 8 ft.

      High: 82 °F

      ENE 14kt
      8ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:40 pm EDT Mar 28, 2026
Forecast Valid: 5pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026

View Nearby Observations

Detailed Forecast


Late Afternoon
ENE wind around 10 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Tonight
ENE wind around 8 kt. Scattered showers. Seas around 3 ft.
Sunday
NE wind 7 to 11 kt. Scattered showers, with thunderstorms also possible after 3pm. Seas around 3 ft.
Sunday Night
NE wind around 12 kt. Scattered showers, mainly after 3am. Seas 3 to 4 ft.
Monday
ENE wind 12 to 15 kt. Scattered showers. Seas around 4 ft.
Monday Night
ENE wind around 12 kt. Showers likely and possibly a thunderstorm. Seas 5 to 6 ft.
Tuesday
ENE wind 12 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 7 to 8 ft.
Tuesday Night
ENE wind around 13 kt. Showers likely. Seas around 8 ft.
Wednesday
ENE wind 12 to 14 kt. Showers likely. Seas around 8 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: 18.46°N 66.13°W
Last Update: 4:40 pm EDT Mar 28, 2026
Forecast Valid: 5pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026
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