Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 8 to 15 kt. Scattered showers, mainly after 2pm.   Seas around 4 ft.

      High: 83 °F

      E 15kt
      4ft

    • Tonight

      Tonight:E wind 8 to 11 kt. Scattered showers after 11pm.   Seas around 4 ft.

      Low: 80 °F

      E 11kt
      4ft

    • Monday

      Monday:E wind 8 to 13 kt. Isolated showers.   Seas around 4 ft.

      High: 83 °F

      E 13kt
      4ft

    • Monday Night

      Monday Night:ESE wind around 8 kt. Scattered showers.   Seas 3 to 4 ft.

      Low: 80 °F

      ESE 8kt
      3-4ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Isolated showers before 11am.   Seas 3 to 4 ft.

      High: 83 °F

      ⇑E 10kt
      3-4ft

    • Tuesday Night

      Tuesday Night:E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers.   Seas around 3 ft.

      Low: 80 °F

      E 7kt⇓
      3ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers before 11am.   Seas around 3 ft.

      High: 83 °F

      ⇑E 12kt
      3ft

    • Wednesday Night

      Wednesday Night:E wind 5 to 7 kt. Mostly clear. Seas around 3 ft.

      Low: 80 °F

      E 7kt
      3ft

    • Thursday

      Thursday:SSE wind 6 to 10 kt becoming E in the afternoon. Sunny. Seas around 3 ft.

      High: 83 °F

      E 10kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:59 pm EST Jan 24, 2026
Forecast Valid: 5am EST Jan 25, 2026-6pm EST Jan 31, 2026

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Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
E wind 8 to 15 kt. Scattered showers, mainly after 2pm. Seas around 4 ft.
Tonight
E wind 8 to 11 kt. Scattered showers after 11pm. Seas around 4 ft.
Monday
E wind 8 to 13 kt. Isolated showers. Seas around 4 ft.
Monday Night
ESE wind around 8 kt. Scattered showers. Seas 3 to 4 ft.
Tuesday
Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Isolated showers before 11am. Seas 3 to 4 ft.
Tuesday Night
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Isolated showers. Seas around 3 ft.
Wednesday
Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. Scattered showers before 11am. Seas around 3 ft.
Wednesday Night
E wind 5 to 7 kt. Mostly clear. Seas around 3 ft.
Thursday
SSE wind 6 to 10 kt becoming E in the afternoon. Sunny. 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: 18.46°N 66.13°W
Last Update: 7:59 pm EST Jan 24, 2026
Forecast Valid: 5am EST Jan 25, 2026-6pm EST Jan 31, 2026
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