Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
ESE 12kt
< 1ft
Tonight
Low: 75 °F
ESE 9kt
< 1ft
Saturday
High: 83 °F
ESE 12kt
< 1ft
Saturday Night
Low: 75 °F
SSE 7kt
< 1ft
Sunday
High: 85 °F
SSE 12kt
< 1ft
Sunday Night
Low: 75 °F
⇑SSW 6kt
< 1ft
Monday
High: 80 °F
⇑N 16kt
< 1ft
Monday Night
Low: 73 °F
N 16kt
< 1ft
Tuesday
High: 77 °F
NNE 16kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:40 am EST Jan 30, 2026
Forecast Valid: 5am EST Jan 30, 2026-6pm EST Feb 5, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 6 to 12 kt. Scattered showers. Seas 1 ft or less.

Tonight

ESE wind 7 to 9 kt. Scattered showers before 11pm. Seas 1 ft or less.

Saturday

ESE wind 8 to 12 kt. Showers likely and possibly a thunderstorm, mainly after 11am. Seas 1 ft or less.

Saturday Night

SSE wind around 7 kt. Scattered showers, then showers likely and possibly a thunderstorm after 11pm. Seas 1 ft or less.

Sunday

SSE wind 6 to 12 kt. Isolated showers, then scattered showers and thunderstorms after 11am. Seas 1 ft or less.

Sunday Night

Variable winds less than 5 kt becoming SSW around 6 kt after midnight. Isolated showers, then showers likely and possibly a thunderstorm after 11pm. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming N 11 to 16 kt in the morning. Winds could gust as high as 22 kt. Showers likely, mainly after 11am. Seas 1 ft or less.

Monday Night

N wind around 16 kt, with gusts as high as 22 kt. Showers likely. Seas 1 ft or less.

Tuesday

NNE wind 14 to 16 kt. Showers likely. 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.