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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:Variable winds less than 5 kt becoming E 8 to 13 kt in the morning. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.   Seas around 2 ft.

      High: 83 °F

      ⇑E 13kt
      2ft

    • Thursday Night

      Thursday Night:ESE wind 6 to 9 kt. Isolated showers.   Seas around 2 ft.

      Low: 80 °F

      ESE 9kt
      2ft

    • Friday

      Friday:E wind 8 to 13 kt. Scattered showers, mainly after noon.   Seas 2 to 3 ft.

      High: 83 °F

      E 13kt
      2-3ft

    • Friday Night

      Friday Night:ESE wind 5 to 8 kt. Isolated showers before midnight.   Seas around 3 ft.

      Low: 80 °F

      ESE 8kt
      3ft

    • Saturday

      Saturday:E wind 8 to 15 kt, with gusts as high as 21 kt. Isolated showers.   Seas around 3 ft.

      High: 83 °F

      E 15kt
      3ft

    • Saturday Night

      Saturday Night:E wind 9 to 12 kt. Clear. Seas around 3 ft.

      Low: 80 °F

      E 12kt
      3ft

    • Sunday

      Sunday:E wind 7 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 3 ft.

      High: 83 °F

      E 15kt
      3ft

    • Sunday Night

      Sunday Night:ESE wind around 12 kt. Mostly clear. Seas around 3 ft.

      Low: 80 °F

      ESE 12kt
      3ft

    • Monday

      Monday:E wind 11 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 83 °F

      E 16kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:16 am EDT Jun 11, 2026
Forecast Valid: 2am EDT Jun 11, 2026-6pm EDT Jun 17, 2026

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Detailed Forecast


Thursday
Variable winds less than 5 kt becoming E 8 to 13 kt in the morning. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas around 2 ft.
Thursday Night
ESE wind 6 to 9 kt. Isolated showers. Seas around 2 ft.
Friday
E wind 8 to 13 kt. Scattered showers, mainly after noon. Seas 2 to 3 ft.
Friday Night
ESE wind 5 to 8 kt. Isolated showers before midnight. Seas around 3 ft.
Saturday
E wind 8 to 15 kt, with gusts as high as 21 kt. Isolated showers. Seas around 3 ft.
Saturday Night
E wind 9 to 12 kt. Clear. Seas around 3 ft.
Sunday
E wind 7 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 3 ft.
Sunday Night
ESE wind around 12 kt. Mostly clear. Seas around 3 ft.
Monday
E wind 11 to 16 kt, with gusts as high as 22 kt. Mostly sunny. 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: 1:16 am EDT Jun 11, 2026
Forecast Valid: 2am EDT Jun 11, 2026-6pm EDT Jun 17, 2026
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