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 NE San Juan PR

Marine Point Forecast

[NOTICE]

Overnight
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: 7:59 pm EST Jan 24, 2026
Forecast Valid: 11pm EST Jan 24, 2026-6pm EST Jan 31, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight

E wind 9 to 11 kt. Scattered showers, mainly before 2am. Seas 1 ft or less.

Sunday

E wind 9 to 14 kt, with gusts as high as 20 kt. Scattered showers, mainly after 11am. Seas 1 ft or less.

Sunday Night

E wind 9 to 12 kt. Scattered showers after 11pm. 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.