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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind 9 to 14 kt. Scattered showers and thunderstorms.   Seas around 4 ft.

      High: 81 °F

      ENE 14kt
      4ft

    • Tonight

      Tonight:ENE wind 9 to 12 kt. Scattered showers and thunderstorms.   Seas 4 to 5 ft.

      Low: 79 °F

      ENE 12kt
      4-5ft

    • Tuesday

      Tuesday:ENE wind 10 to 13 kt. Scattered showers and thunderstorms before 9am, then scattered showers between 9am and noon, then scattered showers and thunderstorms after noon.   Seas 6 to 7 ft.

      High: 81 °F

      ENE 13kt
      6-7ft

    • Tuesday Night

      Tuesday Night:ENE wind 9 to 11 kt. Showers likely and possibly a thunderstorm.   Seas around 7 ft.

      Low: 79 °F

      ENE 11kt
      7ft

    • Wednesday

      Wednesday:ENE wind 10 to 13 kt. Scattered showers and thunderstorms.   Seas 7 to 8 ft.

      High: 81 °F

      ENE 13kt
      7-8ft

    • Wednesday Night

      Wednesday Night:ENE wind around 9 kt. Showers likely and possibly a thunderstorm.   Seas around 8 ft.

      Low: 79 °F

      ENE 9kt
      8ft

    • Thursday

      Thursday:ENE wind 10 to 12 kt. Scattered showers before noon.   Seas around 7 ft.

      High: 81 °F

      ENE 12kt
      7ft

    • Thursday Night

      Thursday Night:E wind 7 to 9 kt. Mostly clear. Seas 6 to 7 ft.

      Low: 79 °F

      E 9kt
      6-7ft

    • Friday

      Friday:E wind 7 to 12 kt. Mostly sunny. Seas around 6 ft.

      High: 81 °F

      E 12kt
      6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:41 am EDT Mar 30, 2026
Forecast Valid: 5am EDT Mar 30, 2026-6pm EDT Apr 5, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
ENE wind 9 to 14 kt. Scattered showers and thunderstorms. Seas around 4 ft.
Tonight
ENE wind 9 to 12 kt. Scattered showers and thunderstorms. Seas 4 to 5 ft.
Tuesday
ENE wind 10 to 13 kt. Scattered showers and thunderstorms before 9am, then scattered showers between 9am and noon, then scattered showers and thunderstorms after noon. Seas 6 to 7 ft.
Tuesday Night
ENE wind 9 to 11 kt. Showers likely and possibly a thunderstorm. Seas around 7 ft.
Wednesday
ENE wind 10 to 13 kt. Scattered showers and thunderstorms. Seas 7 to 8 ft.
Wednesday Night
ENE wind around 9 kt. Showers likely and possibly a thunderstorm. Seas around 8 ft.
Thursday
ENE wind 10 to 12 kt. Scattered showers before noon. Seas around 7 ft.
Thursday Night
E wind 7 to 9 kt. Mostly clear. Seas 6 to 7 ft.
Friday
E wind 7 to 12 kt. Mostly sunny. Seas around 6 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: 18.45°N 66.1°W
Last Update: 3:41 am EDT Mar 30, 2026
Forecast Valid: 5am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
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