Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind 27 to 29 km/h, with gusts as high as 39 km/h. Scattered showers.   Seas 1 m or less.

      High: 30 °C

      E 29km/h
      < 1m

    • Tonight

      Tonight:E wind 16 to 18 km/h. Scattered showers, mainly after 3am.  Widespread haze before 9pm, then Widespread haze between midnight and 3am.  Seas 1 m or less.

      Low: 27 °C

      E 18km/h
      < 1m

    • Sunday

      Sunday:E wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 37 km/h. Isolated showers.  Widespread haze.  Seas 1 m or less.

      High: 29 °C

      ⇑E 27km/h
      < 1m

    • Sunday Night

      Sunday Night:E wind 14 to 21 km/h. Scattered showers.   Seas 1 m or less.

      Low: 27 °C

      E 21km/h
      < 1m

    • Monday

      Monday:E wind 21 to 27 km/h, with gusts as high as 37 km/h. Scattered showers, mainly before noon.   Seas 1 m or less.

      High: 29 °C

      E 27km/h
      < 1m

    • Monday Night

      Monday Night:E wind 18 to 21 km/h. Isolated showers.   Seas 1 m or less.

      Low: 27 °C

      E 21km/h
      < 1m

    • Tuesday

      Tuesday:E wind 24 to 32 km/h, with gusts as high as 42 km/h. Sunny. Seas 1 m or less.

      High: 29 °C

      E 32km/h
      < 1m

    • Tuesday Night

      Tuesday Night:ESE wind 16 to 21 km/h. Clear. Seas 1 m or less.

      Low: 27 °C

      ESE 21km/h
      < 1m

    • Wednesday

      Wednesday:E wind 21 to 27 km/h, with gusts as high as 39 km/h. Mostly sunny. Seas 1 m or less.

      High: 28 °C

      E 27km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:52 am EDT Jul 5, 2025
Forecast Valid: 1pm EDT Jul 5, 2025-6pm EDT Jul 11, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
E wind 27 to 29 km/h, with gusts as high as 39 km/h. Scattered showers. Seas 1 m or less.
Tonight
E wind 16 to 18 km/h. Scattered showers, mainly after 3am. Widespread haze before 9pm, then Widespread haze between midnight and 3am. Seas 1 m or less.
Sunday
E wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 37 km/h. Isolated showers. Widespread haze. Seas 1 m or less.
Sunday Night
E wind 14 to 21 km/h. Scattered showers. Seas 1 m or less.
Monday
E wind 21 to 27 km/h, with gusts as high as 37 km/h. Scattered showers, mainly before noon. Seas 1 m or less.
Monday Night
E wind 18 to 21 km/h. Isolated showers. Seas 1 m or less.
Tuesday
E wind 24 to 32 km/h, with gusts as high as 42 km/h. Sunny. Seas 1 m or less.
Tuesday Night
ESE wind 16 to 21 km/h. Clear. Seas 1 m or less.
Wednesday
E wind 21 to 27 km/h, with gusts as high as 39 km/h. Mostly sunny. Seas 1 m or less.

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 65.99°W
Last Update: 7:52 am EDT Jul 5, 2025
Forecast Valid: 1pm EDT Jul 5, 2025-6pm EDT Jul 11, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data