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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:E wind 5 to 14 kt. Scattered showers, mainly before 9am.   Seas around 2 ft.

      High: 85 °F

      E 14kt
      2ft

    • Saturday Night

      Saturday Night:ESE wind 5 to 8 kt. Isolated showers.   Seas around 2 ft.

      Low: 82 °F

      ESE 8kt
      2ft

    • Sunday

      Sunday:E wind 6 to 14 kt. Isolated showers, then showers likely and possibly a thunderstorm after noon.   Seas around 2 ft.

      High: 85 °F

      E 14kt
      2ft

    • Sunday Night

      Sunday Night:SE wind 5 to 8 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      SE 8kt
      2ft

    • Labor Day

      Labor Day:E wind 6 to 16 kt. Showers likely and possibly a thunderstorm after noon.   Seas around 2 ft.

      High: 85 °F

      E 16kt
      2ft

    • Monday Night

      Monday Night:ESE wind around 9 kt. Isolated showers.   Seas 2 to 3 ft.

      Low: 82 °F

      ESE 9kt
      2-3ft

    • Tuesday

      Tuesday:E wind 9 to 14 kt. Scattered showers.   Seas around 3 ft.

      High: 85 °F

      E 14kt
      3ft

    • Tuesday Night

      Tuesday Night:ESE wind 8 to 10 kt. Scattered showers.   Seas around 3 ft.

      Low: 82 °F

      ESE 10kt
      3ft

    • Wednesday

      Wednesday:E wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers.   Seas 3 to 4 ft.

      High: 85 °F

      E 14kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:55 pm EDT Sep 4, 2026
Forecast Valid: 3am EDT Sep 5, 2026-6pm EDT Sep 11, 2026

View Nearby Observations

Detailed Forecast


Saturday
E wind 5 to 14 kt. Scattered showers, mainly before 9am. Seas around 2 ft.
Saturday Night
ESE wind 5 to 8 kt. Isolated showers. Seas around 2 ft.
Sunday
E wind 6 to 14 kt. Isolated showers, then showers likely and possibly a thunderstorm after noon. Seas around 2 ft.
Sunday Night
SE wind 5 to 8 kt. Scattered showers. Seas around 2 ft.
Labor Day
E wind 6 to 16 kt. Showers likely and possibly a thunderstorm after noon. Seas around 2 ft.
Monday Night
ESE wind around 9 kt. Isolated showers. Seas 2 to 3 ft.
Tuesday
E wind 9 to 14 kt. Scattered showers. Seas around 3 ft.
Tuesday Night
ESE wind 8 to 10 kt. Scattered showers. Seas around 3 ft.
Wednesday
E wind 11 to 14 kt, with gusts as high as 20 kt. Scattered showers. Seas 3 to 4 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: 8:55 pm EDT Sep 4, 2026
Forecast Valid: 3am EDT Sep 5, 2026-6pm EDT Sep 11, 2026
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