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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:ESE wind 7 to 15 kt. Isolated showers after noon.   Seas around 3 ft.

      High: 83 °F

      ESE 15kt
      3ft

    • Tonight

      Tonight:ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers after midnight.   Seas around 3 ft.

      Low: 82 °F

      ESE 8kt⇓
      3ft

    • Tuesday

      Tuesday:ESE wind 8 to 14 kt. Scattered showers.   Seas around 3 ft.

      High: 83 °F

      ESE 14kt
      3ft

    • Tuesday Night

      Tuesday Night:SE wind 5 to 9 kt. Scattered showers, mainly before 9pm.   Seas around 3 ft.

      Low: 82 °F

      SE 9kt
      3ft

    • Wednesday

      Wednesday:E wind 9 to 14 kt. Isolated showers.   Seas around 3 ft.

      High: 83 °F

      E 14kt
      3ft

    • Wednesday Night

      Wednesday Night:ESE wind 6 to 8 kt. Isolated showers.   Seas around 3 ft.

      Low: 82 °F

      ESE 8kt
      3ft

    • Thursday

      Thursday:E wind 9 to 15 kt. Mostly sunny. Seas around 3 ft.

      High: 83 °F

      E 15kt
      3ft

    • Thursday Night

      Thursday Night:E wind 5 to 9 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 82 °F

      E 9kt
      2-3ft

    • Friday

      Friday:ENE wind 9 to 13 kt. Mostly sunny. Seas around 2 ft.

      High: 83 °F

      ENE 13kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:53 am EDT May 4, 2026
Forecast Valid: 8am EDT May 4, 2026-6pm EDT May 10, 2026

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Detailed Forecast


Today
ESE wind 7 to 15 kt. Isolated showers after noon. Seas around 3 ft.
Tonight
ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers after midnight. Seas around 3 ft.
Tuesday
ESE wind 8 to 14 kt. Scattered showers. Seas around 3 ft.
Tuesday Night
SE wind 5 to 9 kt. Scattered showers, mainly before 9pm. Seas around 3 ft.
Wednesday
E wind 9 to 14 kt. Isolated showers. Seas around 3 ft.
Wednesday Night
ESE wind 6 to 8 kt. Isolated showers. Seas around 3 ft.
Thursday
E wind 9 to 15 kt. Mostly sunny. Seas around 3 ft.
Thursday Night
E wind 5 to 9 kt. Partly cloudy. Seas 2 to 3 ft.
Friday
ENE wind 9 to 13 kt. Mostly sunny. 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: 7:53 am EDT May 4, 2026
Forecast Valid: 8am EDT May 4, 2026-6pm EDT May 10, 2026
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