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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind around 15 kt, with gusts as high as 21 kt. Isolated showers.   Seas around 4 ft.

      High: 85 °F

      E 15kt
      4ft

    • Tonight

      Tonight:E wind 9 to 12 kt. Scattered showers, mainly before 9pm.   Seas around 4 ft.

      Low: 80 °F

      E 12kt
      4ft

    • Monday

      Monday:ENE wind 10 to 14 kt. Isolated showers.   Seas around 4 ft.

      High: 84 °F

      ENE 14kt
      4ft

    • Monday Night

      Monday Night:ENE wind 7 to 10 kt. Isolated showers.   Seas around 4 ft.

      Low: 80 °F

      ENE 10kt
      4ft

    • Tuesday

      Tuesday:NE wind 6 to 11 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 86 °F

      NE 11kt
      3ft

    • Tuesday Night

      Tuesday Night:ENE wind 6 to 8 kt becoming ESE after midnight. Isolated showers.   Seas around 2 ft.

      Low: 79 °F

      ENE 8kt
      2ft

    • Wednesday

      Wednesday:E wind 6 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 2 ft.

      High: 87 °F

      E 16kt
      2ft

    • Wednesday Night

      Wednesday Night:SE wind 8 to 10 kt. Partly cloudy. Seas around 2 ft.

      Low: 80 °F

      SE 10kt
      2ft

    • Thursday

      Thursday:E wind 8 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.

      High: 87 °F

      E 16kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:51 pm EDT Jul 19, 2026
Forecast Valid: 2pm EDT Jul 19, 2026-6pm EDT Jul 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon
E wind around 15 kt, with gusts as high as 21 kt. Isolated showers. Seas around 4 ft.
Tonight
E wind 9 to 12 kt. Scattered showers, mainly before 9pm. Seas around 4 ft.
Monday
ENE wind 10 to 14 kt. Isolated showers. Seas around 4 ft.
Monday Night
ENE wind 7 to 10 kt. Isolated showers. Seas around 4 ft.
Tuesday
NE wind 6 to 11 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Tuesday Night
ENE wind 6 to 8 kt becoming ESE after midnight. Isolated showers. Seas around 2 ft.
Wednesday
E wind 6 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 2 ft.
Wednesday Night
SE wind 8 to 10 kt. Partly cloudy. Seas around 2 ft.
Thursday
E wind 8 to 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 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: 1:51 pm EDT Jul 19, 2026
Forecast Valid: 2pm EDT Jul 19, 2026-6pm EDT Jul 25, 2026
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