Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind around 15 kt. Scattered showers.   Seas around 9 ft.

      High: 82 °F

      NE 15kt
      9ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NE wind 13 to 16 kt, with gusts as high as 22 kt. Showers likely, mainly between 11pm and 5am.   Seas 9 to 10 ft.

      Low: 80 °F

      NE 16kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:E wind 10 to 14 kt. Scattered showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then scattered showers and thunderstorms after 11am.   Seas around 8 ft.

      High: 82 °F

      E 14kt
      8ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms, then showers likely after 11pm.   Seas 6 to 7 ft.

      Low: 80 °F

      ESE 6kt⇓
      6-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. Scattered showers, mainly after 11am.   Seas around 5 ft.

      High: 82 °F

      ⇑ESE 9kt
      5ft

    • Thursday Night

      Thursday Night:SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers before 11pm.   Seas around 4 ft.

      Low: 80 °F

      SSE 6kt⇓
      4ft

    • Friday

      Friday:Variable winds less than 5 kt becoming NNE 5 to 8 kt. Scattered showers.   Seas around 4 ft.

      High: 82 °F

      ⇑NNE 8kt
      4ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

      Low: 80 °F

      Light Wind
      3ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming NNW 5 to 10 kt in the morning. Showers likely.   Seas 3 to 4 ft.

      High: 82 °F

      ⇑NNW 10kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:44 pm EST Feb 3, 2026
Forecast Valid: 3pm EST Feb 3, 2026-6pm EST Feb 9, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

This Afternoon
NE wind around 15 kt. Scattered showers. Seas around 9 ft.
Tonight
NE wind 13 to 16 kt, with gusts as high as 22 kt. Showers likely, mainly between 11pm and 5am. Seas 9 to 10 ft.
Wednesday
E wind 10 to 14 kt. Scattered showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then scattered showers and thunderstorms after 11am. Seas around 8 ft.
Wednesday Night
ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms, then showers likely after 11pm. Seas 6 to 7 ft.
Thursday
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. Scattered showers, mainly after 11am. Seas around 5 ft.
Thursday Night
SSE wind around 6 kt becoming variable and less than 5 kt after midnight. Scattered showers before 11pm. Seas around 4 ft.
Friday
Variable winds less than 5 kt becoming NNE 5 to 8 kt. Scattered showers. Seas around 4 ft.
Friday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.
Saturday
Variable winds less than 5 kt becoming NNW 5 to 10 kt in the morning. Showers likely. Seas 3 to 4 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: 3:44 pm EST Feb 3, 2026
Forecast Valid: 3pm EST Feb 3, 2026-6pm EST Feb 9, 2026
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