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San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SE wind around 6 kt. Scattered showers, mainly after 3am.   Seas around 3 ft.

      Low: 80 °F

      SE 6kt
      3ft

    • Friday

      Friday:E wind 6 to 13 kt. Scattered showers.   Seas around 3 ft.

      High: 83 °F

      E 13kt
      3ft

    • Friday Night

      Friday Night:ESE wind 7 to 9 kt. Isolated showers before 9pm, then isolated showers after 3am.   Seas around 3 ft.

      Low: 80 °F

      ESE 9kt
      3ft

    • Saturday

      Saturday:E wind 9 to 13 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 83 °F

      E 13kt
      3ft

    • Saturday Night

      Saturday Night:E wind around 8 kt. Clear. Seas around 3 ft.

      Low: 80 °F

      E 8kt
      3ft

    • Sunday

      Sunday:E wind 9 to 13 kt. Isolated showers.   Seas around 3 ft.

      High: 83 °F

      E 13kt
      3ft

    • Sunday Night

      Sunday Night:ESE wind 7 to 9 kt. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      ESE 9kt
      3ft

    • Monday

      Monday:ESE wind 6 to 13 kt. Mostly sunny. Seas around 3 ft.

      High: 83 °F

      ESE 13kt
      3ft

    • Monday Night

      Monday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Clear. Seas around 3 ft.

      Low: 80 °F

      ESE 7kt⇓
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:38 pm EDT Apr 30, 2026
Forecast Valid: 12am EDT May 1, 2026-6pm EDT May 7, 2026

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Detailed Forecast


Overnight
SE wind around 6 kt. Scattered showers, mainly after 3am. Seas around 3 ft.
Friday
E wind 6 to 13 kt. Scattered showers. Seas around 3 ft.
Friday Night
ESE wind 7 to 9 kt. Isolated showers before 9pm, then isolated showers after 3am. Seas around 3 ft.
Saturday
E wind 9 to 13 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Saturday Night
E wind around 8 kt. Clear. Seas around 3 ft.
Sunday
E wind 9 to 13 kt. Isolated showers. Seas around 3 ft.
Sunday Night
ESE wind 7 to 9 kt. Partly cloudy. Seas around 3 ft.
Monday
ESE wind 6 to 13 kt. Mostly sunny. Seas around 3 ft.
Monday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Clear. 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: 8:38 pm EDT Apr 30, 2026
Forecast Valid: 12am EDT May 1, 2026-6pm EDT May 7, 2026
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