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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:ESE wind around 10 kt. Scattered showers, then showers likely and possibly a thunderstorm after 3pm.   Seas around 4 ft.

      High: 81 °F

      ESE 10kt
      4ft

    • Tonight

      Tonight:ESE wind around 8 kt. Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am.   Seas around 3 ft.

      Low: 80 °F

      ESE 8kt
      3ft

    • Tuesday

      Tuesday:ESE wind 9 to 11 kt. Scattered showers, with thunderstorms also possible after noon.   Seas around 3 ft.

      High: 81 °F

      ESE 11kt
      3ft

    • Tuesday Night

      Tuesday Night:E wind around 9 kt. Scattered showers and thunderstorms.   Seas around 3 ft.

      Low: 80 °F

      E 9kt
      3ft

    • Wednesday

      Wednesday:ESE wind 9 to 12 kt. Scattered showers, with thunderstorms also possible after noon.   Seas around 3 ft.

      High: 81 °F

      ESE 12kt
      3ft

    • Wednesday Night

      Wednesday Night:E wind 7 to 10 kt. Scattered showers, mainly before midnight.   Seas around 3 ft.

      Low: 80 °F

      E 10kt
      3ft

    • Thursday

      Thursday:E wind 8 to 10 kt. Scattered showers.   Seas around 3 ft.

      High: 81 °F

      E 10kt
      3ft

    • Thursday Night

      Thursday Night:E wind around 8 kt. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      E 8kt
      3ft

    • Friday

      Friday:E wind around 11 kt. Scattered showers.   Seas around 3 ft.

      High: 81 °F

      E 11kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:40 am EDT Apr 6, 2026
Forecast Valid: 9am EDT Apr 6, 2026-6pm EDT Apr 12, 2026

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Detailed Forecast


Today
ESE wind around 10 kt. Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Seas around 4 ft.
Tonight
ESE wind around 8 kt. Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Seas around 3 ft.
Tuesday
ESE wind 9 to 11 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 3 ft.
Tuesday Night
E wind around 9 kt. Scattered showers and thunderstorms. Seas around 3 ft.
Wednesday
ESE wind 9 to 12 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 3 ft.
Wednesday Night
E wind 7 to 10 kt. Scattered showers, mainly before midnight. Seas around 3 ft.
Thursday
E wind 8 to 10 kt. Scattered showers. Seas around 3 ft.
Thursday Night
E wind around 8 kt. Partly cloudy. Seas around 3 ft.
Friday
E wind around 11 kt. Scattered showers. Seas around 3 ft.

Winds and seas higher in and near thunderstorms.

*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: 4:40 am EDT Apr 6, 2026
Forecast Valid: 9am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
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