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

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SE wind around 13 kt. Scattered showers, mainly before 3pm. Seas around 4 ft.

      High: 85 °F

      SE 13kt
      4ft

    • Tonight

      Tonight:SE wind around 6 kt. Scattered showers, mainly between midnight and 3am. Seas 5 to 6 ft.

      Low: 82 °F

      SE 6kt
      5-6ft

    • Tuesday

      Tuesday:SE wind 6 to 14 kt. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 6 ft.

      High: 85 °F

      SE 14kt
      6ft

    • Tuesday Night

      Tuesday Night:SSE wind 5 to 7 kt. Isolated showers before 9pm, then scattered showers after midnight. Seas around 4 ft.

      Low: 82 °F

      SSE 7kt
      4ft

    • Wednesday

      Wednesday:E wind 5 to 14 kt. Isolated showers. Seas around 4 ft.

      High: 85 °F

      E 14kt
      4ft

    • Wednesday Night

      Wednesday Night:ESE wind 5 to 8 kt. Clear. Seas around 4 ft.

      Low: 82 °F

      ESE 8kt
      4ft

    • Thursday

      Thursday:E wind 5 to 12 kt. Scattered showers after noon. Seas around 4 ft.

      High: 85 °F

      E 12kt
      4ft

    • Thursday Night

      Thursday Night:ESE wind 5 to 7 kt. Partly cloudy. Seas 3 to 4 ft.

      Low: 82 °F

      ESE 7kt
      3-4ft

    • Friday

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

      High: 85 °F

      E 13kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:09 am EDT Oct 26, 2026
Forecast Valid: 2pm EDT Oct 26, 2026-6pm EST Nov 1, 2026

View Nearby Observations

Detailed Forecast

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

This Afternoon
SE wind around 13 kt. Scattered showers, mainly before 3pm. Seas around 4 ft.
Tonight
SE wind around 6 kt. Scattered showers, mainly between midnight and 3am. Seas 5 to 6 ft.
Tuesday
SE wind 6 to 14 kt. Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Seas around 6 ft.
Tuesday Night
SSE wind 5 to 7 kt. Isolated showers before 9pm, then scattered showers after midnight. Seas around 4 ft.
Wednesday
E wind 5 to 14 kt. Isolated showers. Seas around 4 ft.
Wednesday Night
ESE wind 5 to 8 kt. Clear. Seas around 4 ft.
Thursday
E wind 5 to 12 kt. Scattered showers after noon. Seas around 4 ft.
Thursday Night
ESE wind 5 to 7 kt. Partly cloudy. Seas 3 to 4 ft.
Friday
E wind 6 to 13 kt. Scattered showers. 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: 10:09 am EDT Oct 26, 2026
Forecast Valid: 2pm EDT Oct 26, 2026-6pm EST Nov 1, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data