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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:E wind 11 to 16 kt, with gusts as high as 22 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers.   Seas around 5 ft.

      High: 81 °F

      E 16kt
      5ft

    • Tuesday Night

      Tuesday Night:E wind around 10 kt. Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight.   Seas 4 to 5 ft.

      Low: 77 °F

      E 10kt
      4-5ft

    • Wednesday

      Wednesday:E wind 11 to 14 kt. Showers likely, mainly before noon.   Seas around 4 ft.

      High: 81 °F

      E 14kt
      4ft

    • Wednesday Night

      Wednesday Night:E wind 8 to 10 kt. Isolated showers.   Seas around 4 ft.

      Low: 78 °F

      E 10kt
      4ft

    • Thursday

      Thursday:E wind 8 to 14 kt, with gusts as high as 20 kt. Isolated showers.   Seas around 4 ft.

      High: 84 °F

      E 14kt
      4ft

    • Thursday Night

      Thursday Night:ESE wind 6 to 9 kt. Scattered showers.   Seas 3 to 4 ft.

      Low: 79 °F

      ESE 9kt
      3-4ft

    • Friday

      Friday:E wind 7 to 16 kt. Showers likely after noon.   Seas around 3 ft.

      High: 85 °F

      E 16kt
      3ft

    • Friday Night

      Friday Night:SE wind 6 to 9 kt. Partly cloudy. Seas around 3 ft.

      Low: 78 °F

      SE 9kt
      3ft

    • Saturday

      Saturday:E wind 9 to 17 kt, with gusts as high as 23 kt. Scattered showers.   Seas around 3 ft.

      High: 87 °F

      E 17kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:34 pm EDT May 25, 2026
Forecast Valid: 2am EDT May 26, 2026-6pm EDT Jun 1, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING...

Tuesday
E wind 11 to 16 kt, with gusts as high as 22 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 5 ft.
Tuesday Night
E wind around 10 kt. Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then scattered showers after midnight. Seas 4 to 5 ft.
Wednesday
E wind 11 to 14 kt. Showers likely, mainly before noon. Seas around 4 ft.
Wednesday Night
E wind 8 to 10 kt. Isolated showers. Seas around 4 ft.
Thursday
E wind 8 to 14 kt, with gusts as high as 20 kt. Isolated showers. Seas around 4 ft.
Thursday Night
ESE wind 6 to 9 kt. Scattered showers. Seas 3 to 4 ft.
Friday
E wind 7 to 16 kt. Showers likely after noon. Seas around 3 ft.
Friday Night
SE wind 6 to 9 kt. Partly cloudy. Seas around 3 ft.
Saturday
E wind 9 to 17 kt, with gusts as high as 23 kt. Scattered showers. 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: 9:34 pm EDT May 25, 2026
Forecast Valid: 2am EDT May 26, 2026-6pm EDT Jun 1, 2026
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