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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 9 to 14 kt, with gusts as high as 20 kt. Isolated showers before noon.   Seas 1 ft or less.

      High: 86 °F

      E 14kt
      < 1ft

    • Tonight

      Tonight:E wind around 12 kt. Scattered showers, mainly after midnight.   Seas 1 ft or less.

      Low: 77 °F

      E 12kt
      < 1ft

    • Sunday

      Sunday:E wind 11 to 15 kt. Scattered showers, mainly before noon.   Seas 1 ft or less.

      High: 86 °F

      E 15kt
      < 1ft

    • Sunday Night

      Sunday Night:E wind around 11 kt. Scattered showers, mainly after midnight.   Seas 1 ft or less.

      Low: 77 °F

      E 11kt
      < 1ft

    • Monday

      Monday:E wind 12 to 16 kt, with gusts as high as 22 kt. Scattered showers.   Seas 1 ft or less.

      High: 87 °F

      E 16kt
      < 1ft

    • Monday Night

      Monday Night:ESE wind around 10 kt. Scattered showers.   Seas 1 ft or less.

      Low: 77 °F

      ESE 10kt
      < 1ft

    • Tuesday

      Tuesday:E wind 11 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.

      High: 87 °F

      E 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ESE wind around 8 kt. Scattered showers.   Seas 1 ft or less.

      Low: 77 °F

      ESE 8kt
      < 1ft

    • Wednesday

      Wednesday:E wind 10 to 15 kt. Scattered showers.   Seas 1 ft or less.

      High: 88 °F

      E 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:12 am EDT May 9, 2026
Forecast Valid: 8am EDT May 9, 2026-6pm EDT May 15, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
E wind 9 to 14 kt, with gusts as high as 20 kt. Isolated showers before noon. Seas 1 ft or less.
Tonight
E wind around 12 kt. Scattered showers, mainly after midnight. Seas 1 ft or less.
Sunday
E wind 11 to 15 kt. Scattered showers, mainly before noon. Seas 1 ft or less.
Sunday Night
E wind around 11 kt. Scattered showers, mainly after midnight. Seas 1 ft or less.
Monday
E wind 12 to 16 kt, with gusts as high as 22 kt. Scattered showers. Seas 1 ft or less.
Monday Night
ESE wind around 10 kt. Scattered showers. Seas 1 ft or less.
Tuesday
E wind 11 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
ESE wind around 8 kt. Scattered showers. Seas 1 ft or less.
Wednesday
E wind 10 to 15 kt. Scattered showers. Seas 1 ft or less.

*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 65.99°W
Last Update: 2:12 am EDT May 9, 2026
Forecast Valid: 8am EDT May 9, 2026-6pm EDT May 15, 2026
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