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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ENE wind around 9 kt. Sunny. Seas around 2 ft.

      High: 82 °F

      ENE 9kt
      2ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Isolated showers after midnight.   Seas 2 to 4 ft.

      Low: 80 °F

      Light Wind
      2-4ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ENE 6 to 11 kt in the morning. Scattered showers, mainly after noon.   Seas 4 to 5 ft.

      High: 82 °F

      ⇑ENE 11kt
      4-5ft

    • Thursday Night

      Thursday Night:E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers.   Seas around 4 ft.

      Low: 80 °F

      E 7kt⇓
      4ft

    • Friday

      Friday:Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Scattered showers, mainly after noon.   Seas around 4 ft.

      High: 82 °F

      ⇑E 10kt
      4ft

    • Friday Night

      Friday Night:E wind 5 to 7 kt becoming SSE after midnight. Isolated showers.   Seas around 4 ft.

      Low: 80 °F

      E 7kt
      4ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SE 5 to 7 kt in the morning. Showers likely, mainly after noon.   Seas around 3 ft.

      High: 82 °F

      ⇑SE 7kt
      3ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      Light Wind
      3ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Showers likely.   Seas around 2 ft.

      High: 82 °F

      ⇑E 9kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Apr 22, 2026
Forecast Valid: 4pm EDT Apr 22, 2026-6pm EDT Apr 29, 2026

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Detailed Forecast


This Afternoon
ENE wind around 9 kt. Sunny. Seas around 2 ft.
Tonight
Variable winds 5 kt or less. Isolated showers after midnight. Seas 2 to 4 ft.
Thursday
Variable winds less than 5 kt becoming ENE 6 to 11 kt in the morning. Scattered showers, mainly after noon. Seas 4 to 5 ft.
Thursday Night
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas around 4 ft.
Friday
Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Scattered showers, mainly after noon. Seas around 4 ft.
Friday Night
E wind 5 to 7 kt becoming SSE after midnight. Isolated showers. Seas around 4 ft.
Saturday
Variable winds less than 5 kt becoming SE 5 to 7 kt in the morning. Showers likely, mainly after noon. Seas around 3 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Sunday
Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Showers likely. Seas around 2 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: 2:23 pm EDT Apr 22, 2026
Forecast Valid: 4pm EDT Apr 22, 2026-6pm EDT Apr 29, 2026
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