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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 10 kt. Sunny. Seas around 4 ft.

      High: 82 °F

      SE 10kt
      4ft

    • Tonight

      Tonight:SSE wind around 6 kt. Mostly clear. Seas around 4 ft.

      Low: 72 °F

      SSE 6kt
      4ft

    • Wednesday

      Wednesday:SSE wind 5 to 9 kt becoming E in the afternoon. Isolated showers.   Seas around 4 ft.

      High: 83 °F

      E 9kt
      4ft

    • Wednesday Night

      Wednesday Night:SE wind around 6 kt. Isolated showers.   Seas around 4 ft.

      Low: 73 °F

      SE 6kt
      4ft

    • New Year's Day

      New Year's Day:SE wind 5 to 10 kt becoming E in the afternoon. Scattered showers after 11am.   Seas around 3 ft.

      High: 83 °F

      E 10kt
      3ft

    • Thursday Night

      Thursday Night:E wind 5 to 8 kt becoming variable and less than 5 kt. Isolated showers.   Seas around 3 ft.

      Low: 74 °F

      E 8kt⇓
      3ft

    • Friday

      Friday:E wind 6 to 10 kt. Showers likely, mainly after 11am.   Seas around 3 ft.

      High: 84 °F

      E 10kt
      3ft

    • Friday Night

      Friday Night:E wind around 8 kt. Scattered showers.   Seas around 3 ft.

      Low: 73 °F

      E 8kt
      3ft

    • Saturday

      Saturday:E wind 7 to 12 kt. Scattered showers.   Seas around 3 ft.

      High: 83 °F

      E 12kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:19 am EST Dec 30, 2025
Forecast Valid: 1pm EST Dec 30, 2025-6pm EST Jan 5, 2026

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Detailed Forecast


This Afternoon
SE wind around 10 kt. Sunny. Seas around 4 ft.
Tonight
SSE wind around 6 kt. Mostly clear. Seas around 4 ft.
Wednesday
SSE wind 5 to 9 kt becoming E in the afternoon. Isolated showers. Seas around 4 ft.
Wednesday Night
SE wind around 6 kt. Isolated showers. Seas around 4 ft.
New Year's Day
SE wind 5 to 10 kt becoming E in the afternoon. Scattered showers after 11am. Seas around 3 ft.
Thursday Night
E wind 5 to 8 kt becoming variable and less than 5 kt. Isolated showers. Seas around 3 ft.
Friday
E wind 6 to 10 kt. Showers likely, mainly after 11am. Seas around 3 ft.
Friday Night
E wind around 8 kt. Scattered showers. Seas around 3 ft.
Saturday
E wind 7 to 12 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: 18.45°N 66.1°W
Last Update: 10:19 am EST Dec 30, 2025
Forecast Valid: 1pm EST Dec 30, 2025-6pm EST Jan 5, 2026
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