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San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ENE wind around 11 kt. Isolated showers.   Seas around 3 ft.

      High: 81 °F

      ENE 11kt
      3ft

    • Tonight

      Tonight:E wind 6 to 8 kt. Scattered showers.   Seas around 3 ft.

      Low: 77 °F

      E 8kt
      3ft

    • Sunday

      Sunday:E wind 6 to 12 kt. Scattered showers before 11am.   Seas around 3 ft.

      High: 81 °F

      E 12kt
      3ft

    • Sunday Night

      Sunday Night:ESE wind 6 to 8 kt. Scattered showers, mainly before 11pm.   Seas 3 to 4 ft.

      Low: 77 °F

      ESE 8kt
      3-4ft

    • Monday

      Monday:ENE wind 6 to 12 kt. Scattered showers.   Seas around 4 ft.

      High: 81 °F

      ENE 12kt
      4ft

    • Monday Night

      Monday Night:E wind 5 to 9 kt. Scattered showers.   Seas around 3 ft.

      Low: 77 °F

      E 9kt
      3ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers before 11am.   Seas around 3 ft.

      High: 81 °F

      ⇑E 12kt
      3ft

    • Tuesday Night

      Tuesday Night:ESE wind 5 to 8 kt. Partly cloudy. Seas around 3 ft.

      Low: 77 °F

      ESE 8kt
      3ft

    • Wednesday

      Wednesday:E wind 5 to 10 kt. Scattered showers.   Seas around 3 ft.

      High: 81 °F

      E 10kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:19 pm EST Jan 10, 2026
Forecast Valid: 3pm EST Jan 10, 2026-6pm EST Jan 16, 2026

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Detailed Forecast


This Afternoon
ENE wind around 11 kt. Isolated showers. Seas around 3 ft.
Tonight
E wind 6 to 8 kt. Scattered showers. Seas around 3 ft.
Sunday
E wind 6 to 12 kt. Scattered showers before 11am. Seas around 3 ft.
Sunday Night
ESE wind 6 to 8 kt. Scattered showers, mainly before 11pm. Seas 3 to 4 ft.
Monday
ENE wind 6 to 12 kt. Scattered showers. Seas around 4 ft.
Monday Night
E wind 5 to 9 kt. Scattered showers. Seas around 3 ft.
Tuesday
Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers before 11am. Seas around 3 ft.
Tuesday Night
ESE wind 5 to 8 kt. Partly cloudy. Seas around 3 ft.
Wednesday
E wind 5 to 10 kt. Scattered showers. Seas around 3 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: 18.46°N 66.13°W
Last Update: 3:19 pm EST Jan 10, 2026
Forecast Valid: 3pm EST Jan 10, 2026-6pm EST Jan 16, 2026
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