Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ENE wind 8 to 10 kt. Scattered showers.   Seas around 4 ft.

      Low: 80 °F

      ENE 10kt
      4ft

    • Friday

      Friday:ENE wind 7 to 10 kt. Showers likely and possibly a thunderstorm before 11am, then scattered showers and thunderstorms between 11am and 2pm, then scattered showers after 2pm.   Seas 3 to 4 ft.

      High: 82 °F

      ENE 10kt
      3-4ft

    • Friday Night

      Friday Night:ENE wind around 8 kt. Scattered showers before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then showers likely and possibly a thunderstorm after 11pm.   Seas around 3 ft.

      Low: 80 °F

      ENE 8kt
      3ft

    • Saturday

      Saturday:ENE wind 8 to 10 kt. Scattered showers.   Seas around 3 ft.

      High: 82 °F

      ENE 10kt
      3ft

    • Saturday Night

      Saturday Night:ENE wind 8 to 10 kt. Scattered showers.   Seas around 3 ft.

      Low: 80 °F

      ENE 10kt
      3ft

    • Sunday

      Sunday:E wind 10 to 14 kt. Isolated showers before 11am.   Seas 3 to 4 ft.

      High: 82 °F

      E 14kt
      3-4ft

    • Sunday Night

      Sunday Night:ENE wind 9 to 12 kt. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      ENE 12kt
      3ft

    • Monday

      Monday:E wind 8 to 10 kt. Mostly sunny. Seas around 3 ft.

      High: 82 °F

      E 10kt
      3ft

    • Monday Night

      Monday Night:ENE wind around 7 kt. Scattered showers.   Seas around 3 ft.

      Low: 80 °F

      ENE 7kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:03 pm EST Jan 22, 2026
Forecast Valid: 9pm EST Jan 22, 2026-6pm EST Jan 29, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM AST THIS EVENING...

Tonight
ENE wind 8 to 10 kt. Scattered showers. Seas around 4 ft.
Friday
ENE wind 7 to 10 kt. Showers likely and possibly a thunderstorm before 11am, then scattered showers and thunderstorms between 11am and 2pm, then scattered showers after 2pm. Seas 3 to 4 ft.
Friday Night
ENE wind around 8 kt. Scattered showers before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Seas around 3 ft.
Saturday
ENE wind 8 to 10 kt. Scattered showers. Seas around 3 ft.
Saturday Night
ENE wind 8 to 10 kt. Scattered showers. Seas around 3 ft.
Sunday
E wind 10 to 14 kt. Isolated showers before 11am. Seas 3 to 4 ft.
Sunday Night
ENE wind 9 to 12 kt. Partly cloudy. Seas around 3 ft.
Monday
E wind 8 to 10 kt. Mostly sunny. Seas around 3 ft.
Monday Night
ENE wind around 7 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.
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ABOUT THIS FORECAST

Point Forecast: 17.97°N 65.99°W
Last Update: 9:03 pm EST Jan 22, 2026
Forecast Valid: 9pm EST Jan 22, 2026-6pm EST Jan 29, 2026
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