Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

27NM S San Juan PR

Marine Point Forecast

[NOTICE]

Saturday
High: 82 °F
ESE 11kt
3ft
Saturday Night
Low: 82 °F
SE 8kt
3-4ft
Sunday
High: 82 °F
SSE 9kt
4ft
Sunday Night
Low: 82 °F
⇑SE 6kt
3ft
Monday
High: 82 °F
⇑NNW 6kt
3ft
Monday Night
Low: 82 °F
N 15kt
3ft
Tuesday
High: 82 °F
NNE 15kt
3ft
Tuesday Night
Low: 82 °F
NNE 11kt
3ft
Wednesday
High: 82 °F
ENE 12kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:29 pm EST Jan 30, 2026
Forecast Valid: 1am EST Jan 31, 2026-6pm EST Feb 6, 2026

View Nearby Observations

Detailed Forecast

Saturday

ESE wind 8 to 11 kt. Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Seas around 3 ft.

Saturday Night

SE wind around 8 kt. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Sunday

SSE wind 5 to 9 kt. Isolated showers. Seas around 4 ft.

Sunday Night

Variable winds less than 5 kt becoming SE around 6 kt after midnight. Scattered showers. Seas around 3 ft.

Monday

Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. Scattered showers, mainly after 11am. Seas around 3 ft.

Monday Night

N wind 9 to 15 kt. Scattered showers and thunderstorms. Seas around 3 ft.

Tuesday

NNE wind 10 to 15 kt. Showers likely, mainly after 11am. Seas around 3 ft.

Tuesday Night

NNE wind 9 to 11 kt. Showers likely. Seas around 3 ft.

Wednesday

ENE wind 9 to 12 kt. Showers likely. 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.