For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:NE wind 7 to 12 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm.   Seas around 4 ft.

      High: 83 °F

      NE 12kt
      4ft

    • Tonight

      Tonight:SE wind 7 to 13 kt. Showers and possibly a thunderstorm before 9pm, then scattered showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight.   Seas 4 to 5 ft.

      Low: 82 °F

      SE 13kt
      4-5ft

    • Monday

      Monday:ESE wind 8 to 12 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.   Seas 4 to 5 ft.

      High: 84 °F

      ESE 12kt
      4-5ft

    • Monday Night

      Monday Night:ESE wind 5 to 8 kt. Scattered showers, mainly after midnight.   Seas 3 to 4 ft.

      Low: 82 °F

      ESE 8kt
      3-4ft

    • Tuesday

      Tuesday:E wind 7 to 13 kt. Scattered showers.   Seas around 3 ft.

      High: 85 °F

      E 13kt
      3ft

    • Tuesday Night

      Tuesday Night:ESE wind 6 to 8 kt. Scattered showers, mainly after midnight.   Seas 2 to 3 ft.

      Low: 82 °F

      ESE 8kt
      2-3ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers.   Seas around 2 ft.

      High: 85 °F

      ⇑E 12kt
      2ft

    • Wednesday Night

      Wednesday Night:ESE wind 7 to 9 kt. Partly cloudy. Seas around 2 ft.

      Low: 82 °F

      ESE 9kt
      2ft

    • Thursday

      Thursday:ENE wind 7 to 14 kt. Scattered showers.   Seas around 2 ft.

      High: 85 °F

      ENE 14kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:22 am EDT Aug 30, 2026
Forecast Valid: 8am EDT Aug 30, 2026-6pm EDT Sep 5, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE

Today
NE wind 7 to 12 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Seas around 4 ft.
Tonight
SE wind 7 to 13 kt. Showers and possibly a thunderstorm before 9pm, then scattered showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Seas 4 to 5 ft.
Monday
ESE wind 8 to 12 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas 4 to 5 ft.
Monday Night
ESE wind 5 to 8 kt. Scattered showers, mainly after midnight. Seas 3 to 4 ft.
Tuesday
E wind 7 to 13 kt. Scattered showers. Seas around 3 ft.
Tuesday Night
ESE wind 6 to 8 kt. Scattered showers, mainly after midnight. Seas 2 to 3 ft.
Wednesday
Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers. Seas around 2 ft.
Wednesday Night
ESE wind 7 to 9 kt. Partly cloudy. Seas around 2 ft.
Thursday
ENE wind 7 to 14 kt. Scattered showers. Seas around 2 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...

ABOUT THIS FORECAST

Point Forecast: 18.45°N 66.1°W
Last Update: 4:22 am EDT Aug 30, 2026
Forecast Valid: 8am EDT Aug 30, 2026-6pm EDT Sep 5, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data