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San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 5 to 13 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm.   Seas 1 ft or less.

      High: 90 °F

      SE 13kt
      < 1ft

    • Tonight

      Tonight:SE wind around 6 kt. Scattered showers, mainly between midnight and 3am.   Seas 1 ft or less.

      Low: 79 °F

      SE 6kt
      < 1ft

    • Tuesday

      Tuesday:ESE wind 6 to 14 kt. Scattered showers, with thunderstorms also possible after noon.   Seas 1 ft or less.

      High: 89 °F

      ESE 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind 5 to 7 kt. Scattered showers after midnight.   Seas 1 ft or less.

      Low: 79 °F

      SE 7kt
      < 1ft

    • Wednesday

      Wednesday:E wind 5 to 14 kt. Scattered showers, mainly before noon.   Seas 1 ft or less.

      High: 88 °F

      E 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ESE wind 6 to 8 kt. Isolated showers before midnight.   Seas 1 ft or less.

      Low: 78 °F

      ESE 8kt
      < 1ft

    • Thursday

      Thursday:E wind 6 to 12 kt. Scattered showers after noon.   Seas 1 ft or less.

      High: 89 °F

      E 12kt
      < 1ft

    • Thursday Night

      Thursday Night:ESE wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.

      Low: 78 °F

      ESE 8kt
      < 1ft

    • Friday

      Friday:E wind 6 to 13 kt. Scattered showers.   Seas 1 ft or less.

      High: 89 °F

      E 13kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:38 am EDT Oct 26, 2026
Forecast Valid: 5am EDT Oct 26, 2026-6pm EST Nov 1, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY

Today
SE wind 5 to 13 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas 1 ft or less.
Tonight
SE wind around 6 kt. Scattered showers, mainly between midnight and 3am. Seas 1 ft or less.
Tuesday
ESE wind 6 to 14 kt. Scattered showers, with thunderstorms also possible after noon. Seas 1 ft or less.
Tuesday Night
SE wind 5 to 7 kt. Scattered showers after midnight. Seas 1 ft or less.
Wednesday
E wind 5 to 14 kt. Scattered showers, mainly before noon. Seas 1 ft or less.
Wednesday Night
ESE wind 6 to 8 kt. Isolated showers before midnight. Seas 1 ft or less.
Thursday
E wind 6 to 12 kt. Scattered showers after noon. Seas 1 ft or less.
Thursday Night
ESE wind 6 to 8 kt. Partly cloudy. Seas 1 ft or less.
Friday
E wind 6 to 13 kt. Scattered showers. Seas 1 ft or less.

*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 65.99°W
Last Update: 2:38 am EDT Oct 26, 2026
Forecast Valid: 5am EDT Oct 26, 2026-6pm EST Nov 1, 2026
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