Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 8 to 12 kt. Scattered showers before 11pm, then scattered showers after 2am.   Seas 5 to 6 ft.

      Low: 73 °F

      E 12kt
      5-6ft

    • Sunday

      Sunday:E wind 8 to 16 kt. Scattered showers, mainly after 2pm.   Seas 5 to 6 ft.

      High: 83 °F

      E 16kt
      5-6ft

    • Sunday Night

      Sunday Night:E wind 8 to 10 kt. Scattered showers.   Seas around 5 ft.

      Low: 74 °F

      E 10kt
      5ft

    • M.L.King Day

      M.L.King Day:E wind 8 to 15 kt. Scattered showers, mainly before 11am.   Seas around 5 ft.

      High: 82 °F

      E 15kt
      5ft

    • Monday Night

      Monday Night:E wind around 11 kt. Scattered showers.   Seas around 5 ft.

      Low: 80 °F

      E 11kt
      5ft

    • Tuesday

      Tuesday:E wind 10 to 15 kt, with gusts as high as 21 kt. Isolated showers.   Seas around 5 ft.

      High: 82 °F

      E 15kt
      5ft

    • Tuesday Night

      Tuesday Night:E wind around 11 kt. Scattered showers.   Seas around 5 ft.

      Low: 80 °F

      E 11kt
      5ft

    • Wednesday

      Wednesday:E wind 11 to 16 kt, with gusts as high as 22 kt. Scattered showers.   Seas around 5 ft.

      High: 82 °F

      E 16kt
      5ft

    • Wednesday Night

      Wednesday Night:E wind around 12 kt. Scattered showers.   Seas 5 to 6 ft.

      Low: 80 °F

      E 12kt
      5-6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:04 pm EST Jan 17, 2026
Forecast Valid: 7pm EST Jan 17, 2026-6pm EST Jan 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

Tonight
E wind 8 to 12 kt. Scattered showers before 11pm, then scattered showers after 2am. Seas 5 to 6 ft.
Sunday
E wind 8 to 16 kt. Scattered showers, mainly after 2pm. Seas 5 to 6 ft.
Sunday Night
E wind 8 to 10 kt. Scattered showers. Seas around 5 ft.
M.L.King Day
E wind 8 to 15 kt. Scattered showers, mainly before 11am. Seas around 5 ft.
Monday Night
E wind around 11 kt. Scattered showers. Seas around 5 ft.
Tuesday
E wind 10 to 15 kt, with gusts as high as 21 kt. Isolated showers. Seas around 5 ft.
Tuesday Night
E wind around 11 kt. Scattered showers. Seas around 5 ft.
Wednesday
E wind 11 to 16 kt, with gusts as high as 22 kt. Scattered showers. Seas around 5 ft.
Wednesday Night
E wind around 12 kt. Scattered showers. Seas 5 to 6 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.
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ABOUT THIS FORECAST

Point Forecast: 18.45°N 66.1°W
Last Update: 3:04 pm EST Jan 17, 2026
Forecast Valid: 7pm EST Jan 17, 2026-6pm EST Jan 24, 2026
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