National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

    • Friday

      Friday:E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas around 4 ft.

      High: 84 °F

      E 15kt
      4ft

    • Friday Night

      Friday Night:E wind 8 to 10 kt. Scattered showers, mainly before 9pm. Seas around 4 ft.

      Low: 81 °F

      E 10kt
      4ft

    • Saturday

      Saturday:E wind 10 to 15 kt, with gusts as high as 21 kt. Showers likely and possibly a thunderstorm, mainly after noon. Seas around 4 ft.

      High: 84 °F

      E 15kt
      4ft

    • Saturday Night

      Saturday Night:ESE wind 6 to 8 kt. Scattered showers. Seas around 3 ft.

      Low: 82 °F

      ESE 8kt
      3ft

    • Sunday

      Sunday:E wind 7 to 11 kt. Scattered showers, mainly after noon. Seas around 3 ft.

      High: 84 °F

      E 11kt
      3ft

    • Sunday Night

      Sunday Night:ESE wind 6 to 8 kt. Isolated showers. Seas around 3 ft.

      Low: 82 °F

      ESE 8kt
      3ft

    • Monday

      Monday:E wind 7 to 15 kt. Widespread haze. Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Monday Night

      Monday Night:ESE wind around 9 kt. Widespread haze. Seas around 3 ft.

      Low: 82 °F

      ESE 9kt
      3ft

    • Tuesday

      Tuesday:ENE wind 8 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 3 ft.

      High: 84 °F

      ENE 16kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:47 pm EDT Jul 30, 2026
Forecast Valid: 2am EDT Jul 31, 2026-6pm EDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Friday
E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas around 4 ft.
Friday Night
E wind 8 to 10 kt. Scattered showers, mainly before 9pm. Seas around 4 ft.
Saturday
E wind 10 to 15 kt, with gusts as high as 21 kt. Showers likely and possibly a thunderstorm, mainly after noon. Seas around 4 ft.
Saturday Night
ESE wind 6 to 8 kt. Scattered showers. Seas around 3 ft.
Sunday
E wind 7 to 11 kt. Scattered showers, mainly after noon. Seas around 3 ft.
Sunday Night
ESE wind 6 to 8 kt. Isolated showers. Seas around 3 ft.
Monday
E wind 7 to 15 kt. Widespread haze. Seas around 3 ft.
Monday Night
ESE wind around 9 kt. Widespread haze. Seas around 3 ft.
Tuesday
ENE wind 8 to 16 kt, with gusts as high as 22 kt. Mostly sunny. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 18.45°N 66.1°W
Last Update: 4:47 pm EDT Jul 30, 2026
Forecast Valid: 2am EDT Jul 31, 2026-6pm EDT Aug 6, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data