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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 11 to 14 kt. Scattered showers, with thunderstorms also possible after noon.   Seas around 3 ft.

      High: 86 °F

      E 14kt
      3ft

    • Tonight

      Tonight:ESE wind around 8 kt. Scattered showers, mainly after midnight.   Seas around 3 ft.

      Low: 82 °F

      ESE 8kt
      3ft

    • Columbus Day

      Columbus Day:ESE wind 7 to 12 kt becoming ENE in the afternoon. Scattered showers, mainly after 9am.   Seas around 3 ft.

      High: 86 °F

      E 12kt
      3ft

    • Monday Night

      Monday Night:E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers.   Seas around 2 ft.

      Low: 82 °F

      E 8kt⇓
      2ft

    • Tuesday

      Tuesday:ENE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Scattered showers, then showers likely and possibly a thunderstorm after noon.   Seas around 2 ft.

      High: 86 °F

      ENE 10kt⇓
      2ft

    • Tuesday Night

      Tuesday Night:E wind 6 to 11 kt. Isolated showers.   Seas 2 to 3 ft.

      Low: 82 °F

      E 11kt
      2-3ft

    • Wednesday

      Wednesday:E wind 6 to 10 kt. Scattered showers.   Seas around 3 ft.

      High: 86 °F

      E 10kt
      3ft

    • Wednesday Night

      Wednesday Night:E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers.   Seas around 3 ft.

      Low: 82 °F

      E 7kt⇓
      3ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ENE 6 to 11 kt in the morning. Scattered showers.   Seas around 3 ft.

      High: 86 °F

      ⇑ENE 11kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:55 am EDT Oct 11, 2026
Forecast Valid: 10am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
E wind 11 to 14 kt. Scattered showers, with thunderstorms also possible after noon. Seas around 3 ft.
Tonight
ESE wind around 8 kt. Scattered showers, mainly after midnight. Seas around 3 ft.
Columbus Day
ESE wind 7 to 12 kt becoming ENE in the afternoon. Scattered showers, mainly after 9am. Seas around 3 ft.
Monday Night
E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas around 2 ft.
Tuesday
ENE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Scattered showers, then showers likely and possibly a thunderstorm after noon. Seas around 2 ft.
Tuesday Night
E wind 6 to 11 kt. Isolated showers. Seas 2 to 3 ft.
Wednesday
E wind 6 to 10 kt. Scattered showers. Seas around 3 ft.
Wednesday Night
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas around 3 ft.
Thursday
Variable winds less than 5 kt becoming ENE 6 to 11 kt in the morning. 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: 18.45°N 66.1°W
Last Update: 6:55 am EDT Oct 11, 2026
Forecast Valid: 10am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
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