For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind 7 to 15 kt. Scattered showers, then showers likely and possibly a thunderstorm after 9am.   Seas around 3 ft.

      High: 86 °F

      ENE 15kt
      3ft

    • Tonight

      Tonight:ESE wind 7 to 10 kt. Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and 3am, then showers likely and possibly a thunderstorm after 3am.   Seas around 3 ft.

      Low: 82 °F

      ESE 10kt
      3ft

    • Thursday

      Thursday:E wind 9 to 15 kt. Showers and possibly a thunderstorm.   Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Thursday Night

      Thursday Night:ESE wind 7 to 9 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight.   Seas around 3 ft.

      Low: 82 °F

      ESE 9kt
      3ft

    • Friday

      Friday:E wind 8 to 15 kt. Showers likely and possibly a thunderstorm.   Seas around 3 ft.

      High: 85 °F

      E 15kt
      3ft

    • Friday Night

      Friday Night:E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight.   Seas 2 to 3 ft.

      Low: 82 °F

      E 9kt⇓
      2-3ft

    • Saturday

      Saturday:E wind 5 to 14 kt. Scattered showers after noon.   Seas around 2 ft.

      High: 85 °F

      E 14kt
      2ft

    • Saturday Night

      Saturday Night:SE wind 6 to 8 kt. Scattered showers.   Seas around 2 ft.

      Low: 82 °F

      SE 8kt
      2ft

    • Sunday

      Sunday:E wind 7 to 14 kt. Scattered showers.   Seas around 2 ft.

      High: 85 °F

      E 14kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:57 am EDT Sep 16, 2026
Forecast Valid: 5am EDT Sep 16, 2026-6pm EDT Sep 22, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
ENE wind 7 to 15 kt. Scattered showers, then showers likely and possibly a thunderstorm after 9am. Seas around 3 ft.
Tonight
ESE wind 7 to 10 kt. Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and 3am, then showers likely and possibly a thunderstorm after 3am. Seas around 3 ft.
Thursday
E wind 9 to 15 kt. Showers and possibly a thunderstorm. Seas around 3 ft.
Thursday Night
ESE wind 7 to 9 kt. Scattered showers, then showers likely and possibly a thunderstorm after midnight. Seas around 3 ft.
Friday
E wind 8 to 15 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.
Friday Night
E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Seas 2 to 3 ft.
Saturday
E wind 5 to 14 kt. Scattered showers after noon. Seas around 2 ft.
Saturday Night
SE wind 6 to 8 kt. Scattered showers. Seas around 2 ft.
Sunday
E wind 7 to 14 kt. Scattered showers. Seas around 2 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 18.45°N 66.1°W
Last Update: 3:57 am EDT Sep 16, 2026
Forecast Valid: 5am EDT Sep 16, 2026-6pm EDT Sep 22, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data