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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 9 to 12 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 82 °F

      E 12kt
      3ft

    • Tonight

      Tonight:ENE wind 7 to 9 kt. Scattered showers.   Seas around 3 ft.

      Low: 80 °F

      ENE 9kt
      3ft

    • Tuesday

      Tuesday:ESE wind 6 to 8 kt. Isolated showers.   Seas 2 to 3 ft.

      High: 82 °F

      ESE 8kt
      2-3ft

    • Tuesday Night

      Tuesday Night:NE wind around 6 kt. Scattered showers, mainly after midnight.   Seas around 2 ft.

      Low: 80 °F

      NE 6kt
      2ft

    • Wednesday

      Wednesday:E wind 5 to 11 kt. Scattered showers.   Seas around 2 ft.

      High: 82 °F

      E 11kt
      2ft

    • Wednesday Night

      Wednesday Night:NE wind 5 to 7 kt. Isolated showers.   Seas 1 to 2 ft.

      Low: 80 °F

      NE 7kt
      1-2ft

    • Thursday

      Thursday:NE wind 5 to 9 kt becoming E in the afternoon. Scattered showers.   Seas around 1 ft.

      High: 82 °F

      E 9kt
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Low: 80 °F

      Light Wind
      1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. Scattered showers.   Seas around 1 ft.

      High: 82 °F

      ⇑ESE 7kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:00 am EDT Apr 20, 2026
Forecast Valid: 9am EDT Apr 20, 2026-6pm EDT Apr 26, 2026

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Detailed Forecast


Today
E wind 9 to 12 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Tonight
ENE wind 7 to 9 kt. Scattered showers. Seas around 3 ft.
Tuesday
ESE wind 6 to 8 kt. Isolated showers. Seas 2 to 3 ft.
Tuesday Night
NE wind around 6 kt. Scattered showers, mainly after midnight. Seas around 2 ft.
Wednesday
E wind 5 to 11 kt. Scattered showers. Seas around 2 ft.
Wednesday Night
NE wind 5 to 7 kt. Isolated showers. Seas 1 to 2 ft.
Thursday
NE wind 5 to 9 kt becoming E in the afternoon. Scattered showers. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Friday
Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. Scattered showers. Seas around 1 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: 17.97°N 65.99°W
Last Update: 4:00 am EDT Apr 20, 2026
Forecast Valid: 9am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
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