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San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:E wind 5 to 12 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      E 12kt
      3ft

    • Sunday Night

      Sunday Night:ESE wind 6 to 8 kt. Isolated showers after 9pm.   Seas around 3 ft.

      Low: 82 °F

      ESE 8kt
      3ft

    • Monday

      Monday:E wind 8 to 15 kt. Isolated showers.   Seas around 3 ft.

      High: 83 °F

      E 15kt
      3ft

    • Monday Night

      Monday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly before midnight.   Seas around 3 ft.

      Low: 82 °F

      ESE 7kt⇓
      3ft

    • Tuesday

      Tuesday:E wind 7 to 15 kt, with gusts as high as 21 kt. Scattered showers.   Seas 2 to 3 ft.

      High: 83 °F

      E 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:ESE wind 6 to 9 kt. Isolated showers.   Seas around 3 ft.

      Low: 82 °F

      ESE 9kt
      3ft

    • Wednesday

      Wednesday:E wind 9 to 15 kt, with gusts as high as 21 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      E 15kt
      3ft

    • Wednesday Night

      Wednesday Night:ESE wind around 8 kt. Partly cloudy. Seas around 3 ft.

      Low: 82 °F

      ESE 8kt
      3ft

    • Thursday

      Thursday:ENE wind 8 to 14 kt, with gusts as high as 20 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      ENE 14kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:41 am EDT May 3, 2026
Forecast Valid: 4am EDT May 3, 2026-6pm EDT May 9, 2026

View Nearby Observations

Detailed Forecast


Sunday
E wind 5 to 12 kt. Sunny. Seas around 3 ft.
Sunday Night
ESE wind 6 to 8 kt. Isolated showers after 9pm. Seas around 3 ft.
Monday
E wind 8 to 15 kt. Isolated showers. Seas around 3 ft.
Monday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly before midnight. Seas around 3 ft.
Tuesday
E wind 7 to 15 kt, with gusts as high as 21 kt. Scattered showers. Seas 2 to 3 ft.
Tuesday Night
ESE wind 6 to 9 kt. Isolated showers. Seas around 3 ft.
Wednesday
E wind 9 to 15 kt, with gusts as high as 21 kt. Sunny. Seas around 3 ft.
Wednesday Night
ESE wind around 8 kt. Partly cloudy. Seas around 3 ft.
Thursday
ENE wind 8 to 14 kt, with gusts as high as 20 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: 18.46°N 66.13°W
Last Update: 3:41 am EDT May 3, 2026
Forecast Valid: 4am EDT May 3, 2026-6pm EDT May 9, 2026
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