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San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:E wind 9 to 13 kt. Showers and thunderstorms likely before noon, then scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Seas around 3 ft.

      High: 84 °F

      E 13kt
      3ft

    • Sunday Night

      Sunday Night:E wind around 11 kt. Scattered showers. Seas 3 to 4 ft.

      Low: 81 °F

      E 11kt
      3-4ft

    • Monday

      Monday:E wind 12 to 14 kt. Scattered showers, mainly before 9am. Seas 3 to 4 ft.

      High: 84 °F

      E 14kt
      3-4ft

    • Monday Night

      Monday Night:ENE wind around 12 kt. Scattered showers, mainly after midnight. Seas around 4 ft.

      Low: 81 °F

      ENE 12kt
      4ft

    • Tuesday

      Tuesday:ENE wind 12 to 15 kt. Isolated showers before noon. Seas around 4 ft.

      High: 84 °F

      ENE 15kt
      4ft

    • Tuesday Night

      Tuesday Night:ENE wind around 10 kt. Scattered showers. Seas 3 to 4 ft.

      Low: 81 °F

      ENE 10kt
      3-4ft

    • Wednesday

      Wednesday:E wind around 11 kt. Scattered showers before noon. Seas around 3 ft.

      High: 84 °F

      E 11kt
      3ft

    • Wednesday Night

      Wednesday Night:ENE wind around 10 kt. Partly cloudy. Seas around 3 ft.

      Low: 81 °F

      ENE 10kt
      3ft

    • Thursday

      Thursday:E wind around 13 kt. Mostly sunny. Seas around 3 ft.

      High: 84 °F

      E 13kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:19 am EDT Jun 21, 2026
Forecast Valid: 4am EDT Jun 21, 2026-6pm EDT Jun 27, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Sunday
E wind 9 to 13 kt. Showers and thunderstorms likely before noon, then scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Seas around 3 ft.
Sunday Night
E wind around 11 kt. Scattered showers. Seas 3 to 4 ft.
Monday
E wind 12 to 14 kt. Scattered showers, mainly before 9am. Seas 3 to 4 ft.
Monday Night
ENE wind around 12 kt. Scattered showers, mainly after midnight. Seas around 4 ft.
Tuesday
ENE wind 12 to 15 kt. Isolated showers before noon. Seas around 4 ft.
Tuesday Night
ENE wind around 10 kt. Scattered showers. Seas 3 to 4 ft.
Wednesday
E wind around 11 kt. Scattered showers before noon. Seas around 3 ft.
Wednesday Night
ENE wind around 10 kt. Partly cloudy. Seas around 3 ft.
Thursday
E wind around 13 kt. Mostly sunny. 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: 17.97°N 65.99°W
Last Update: 4:19 am EDT Jun 21, 2026
Forecast Valid: 4am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
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