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

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 77 °F
E 11kt
< 1ft
Sunday
High: 84 °F
E 14kt
< 1ft
Sunday Night
Low: 76 °F
E 12kt
< 1ft
Monday
High: 83 °F
E 13kt
< 1ft
Monday Night
Low: 76 °F
E 9kt
< 1ft
Tuesday
High: 83 °F
⇑E 10kt
< 1ft
Tuesday Night
Low: 76 °F
E 7kt⇓
< 1ft
Wednesday
High: 83 °F
E 12kt
< 1ft
Wednesday Night
Low: 75 °F
E 7kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:29 pm EST Jan 24, 2026
Forecast Valid: 6pm EST Jan 24, 2026-6pm EST Jan 31, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight

E wind 9 to 11 kt. Showers likely, mainly between 8pm and 2am. Seas 1 ft or less.

Sunday

E wind 9 to 14 kt, with gusts as high as 20 kt. Scattered showers, mainly before 8am. Seas 1 ft or less.

Sunday Night

E wind 9 to 12 kt. Scattered showers, mainly after 2am. Seas 1 ft or less.

Monday

E wind 10 to 13 kt. Isolated showers. Seas 1 ft or less.

Monday Night

E wind around 9 kt. Scattered showers. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Isolated showers before 11am. Seas 1 ft or less.

Tuesday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Wednesday

E wind 5 to 12 kt. Scattered showers. Seas 1 ft or less.

Wednesday Night

E wind around 7 kt. Partly cloudy. Seas 1 ft or less.

*Notices:

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.
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.