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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind 15 to 17 kt, with gusts as high as 23 kt. Sunny. Seas around 3 ft.

      High: 84 °F

      E 17kt
      3ft

    • Tonight

      Tonight:ESE wind 7 to 9 kt. Isolated showers.   Seas 2 to 3 ft.

      Low: 82 °F

      ESE 9kt
      2-3ft

    • Wednesday

      Wednesday:E wind 10 to 16 kt, with gusts as high as 22 kt. Isolated showers.   Seas 2 to 3 ft.

      High: 84 °F

      E 16kt
      2-3ft

    • Wednesday Night

      Wednesday Night:E wind around 9 kt. Isolated showers.   Seas around 2 ft.

      Low: 82 °F

      E 9kt
      2ft

    • Thursday

      Thursday:E wind 11 to 15 kt. Isolated showers before noon.   Seas 2 to 3 ft.

      High: 84 °F

      E 15kt
      2-3ft

    • Thursday Night

      Thursday Night:ESE wind 7 to 9 kt. Isolated showers.   Seas around 2 ft.

      Low: 82 °F

      ESE 9kt
      2ft

    • Friday

      Friday:E wind 8 to 14 kt, with gusts as high as 20 kt. Sunny. Seas around 2 ft.

      High: 84 °F

      E 14kt
      2ft

    • Friday Night

      Friday Night:E wind around 9 kt. Clear. Seas around 2 ft.

      Low: 82 °F

      E 9kt
      2ft

    • Independence Day

      Independence Day:E wind 10 to 16 kt, with gusts as high as 22 kt. Sunny. Seas 2 to 3 ft.

      High: 84 °F

      E 16kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:07 am EDT Jun 30, 2026
Forecast Valid: 12pm EDT Jun 30, 2026-6pm EDT Jul 6, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon
E wind 15 to 17 kt, with gusts as high as 23 kt. Sunny. Seas around 3 ft.
Tonight
ESE wind 7 to 9 kt. Isolated showers. Seas 2 to 3 ft.
Wednesday
E wind 10 to 16 kt, with gusts as high as 22 kt. Isolated showers. Seas 2 to 3 ft.
Wednesday Night
E wind around 9 kt. Isolated showers. Seas around 2 ft.
Thursday
E wind 11 to 15 kt. Isolated showers before noon. Seas 2 to 3 ft.
Thursday Night
ESE wind 7 to 9 kt. Isolated showers. Seas around 2 ft.
Friday
E wind 8 to 14 kt, with gusts as high as 20 kt. Sunny. Seas around 2 ft.
Friday Night
E wind around 9 kt. Clear. Seas around 2 ft.
Independence Day
E wind 10 to 16 kt, with gusts as high as 22 kt. Sunny. Seas 2 to 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: 18.45°N 66.1°W
Last Update: 4:07 am EDT Jun 30, 2026
Forecast Valid: 12pm EDT Jun 30, 2026-6pm EDT Jul 6, 2026
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