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San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:NE wind around 10 kt. Scattered showers. Seas around 3 ft.

      High: 81 °F

      NE 10kt
      3ft

    • Tonight

      Tonight:ENE wind 10 to 12 kt. Scattered showers, mainly after 9pm. Seas 3 to 4 ft.

      Low: 79 °F

      ENE 12kt
      3-4ft

    • Monday

      Monday:ENE wind 12 to 15 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 4 ft.

      High: 81 °F

      ENE 15kt
      4ft

    • Monday Night

      Monday Night:ENE wind 10 to 12 kt. Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and 3am, then showers likely and possibly a thunderstorm after 3am. Seas 4 to 5 ft.

      Low: 79 °F

      ENE 12kt
      4-5ft

    • Tuesday

      Tuesday:ENE wind 11 to 13 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas 7 to 8 ft.

      High: 81 °F

      ENE 13kt
      7-8ft

    • Tuesday Night

      Tuesday Night:ENE wind around 11 kt. Scattered showers. Seas around 8 ft.

      Low: 79 °F

      ENE 11kt
      8ft

    • Wednesday

      Wednesday:ENE wind 11 to 14 kt. Showers likely, mainly before noon. Seas around 8 ft.

      High: 81 °F

      ENE 14kt
      8ft

    • Wednesday Night

      Wednesday Night:E wind around 11 kt. Scattered showers. Seas around 8 ft.

      Low: 79 °F

      E 11kt
      8ft

    • Thursday

      Thursday:ENE wind 11 to 13 kt. Scattered showers. Seas around 7 ft.

      High: 81 °F

      ENE 13kt
      7ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:06 pm EDT Mar 29, 2026
Forecast Valid: 3pm EDT Mar 29, 2026-6pm EDT Apr 4, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NE wind around 10 kt. Scattered showers. Seas around 3 ft.
Tonight
ENE wind 10 to 12 kt. Scattered showers, mainly after 9pm. Seas 3 to 4 ft.
Monday
ENE wind 12 to 15 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 4 ft.
Monday Night
ENE wind 10 to 12 kt. Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and 3am, then showers likely and possibly a thunderstorm after 3am. Seas 4 to 5 ft.
Tuesday
ENE wind 11 to 13 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas 7 to 8 ft.
Tuesday Night
ENE wind around 11 kt. Scattered showers. Seas around 8 ft.
Wednesday
ENE wind 11 to 14 kt. Showers likely, mainly before noon. Seas around 8 ft.
Wednesday Night
E wind around 11 kt. Scattered showers. Seas around 8 ft.
Thursday
ENE wind 11 to 13 kt. Scattered showers. Seas around 7 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: 2:06 pm EDT Mar 29, 2026
Forecast Valid: 3pm EDT Mar 29, 2026-6pm EDT Apr 4, 2026
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