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]

This Afternoon
High: 83 °F
E 14kt
4ft
Tonight
Low: 82 °F
E 10kt
4ft
Monday
High: 83 °F
E 13kt
4ft
Monday Night
Low: 82 °F
ESE 8kt
3-4ft
Tuesday
High: 83 °F
⇑E 10kt
3-4ft
Tuesday Night
Low: 82 °F
E 7kt⇓
3ft
Wednesday
High: 83 °F
⇑E 11kt
3ft
Wednesday Night
Low: 82 °F
E 8kt⇓
3ft
Thursday
High: 83 °F
⇑E 7kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:27 am EST Jan 25, 2026
Forecast Valid: 3pm EST Jan 25, 2026-6pm EST Jan 31, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

This Afternoon

E wind around 14 kt. Isolated showers. Seas around 4 ft.

Tonight

E wind 6 to 10 kt. Scattered showers after 11pm. Seas around 4 ft.

Monday

E wind 6 to 13 kt. Scattered showers, mainly after 2pm. Seas around 4 ft.

Monday Night

ESE wind 6 to 8 kt. Scattered showers, mainly after 2am. Seas 3 to 4 ft.

Tuesday

Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. Isolated showers. 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 6 to 11 kt in the morning. Scattered showers before 11am. Seas around 3 ft.

Wednesday Night

E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 3 ft.

Thursday

Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Sunny. Seas around 3 ft.

*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.