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]

Sunday
High: 81 °F
SE 10kt
3ft
Sunday Night
Low: 80 °F
Light Wind
3ft
Monday
High: 81 °F
Light Wind
3ft
Monday Night
Low: 80 °F
N 19kt
3ft
Tuesday
High: 81 °F
NNE 19kt
3ft
Tuesday Night
Low: 80 °F
NE 10kt
3ft
Wednesday
High: 81 °F
ENE 12kt
3ft
Wednesday Night
Low: 80 °F
ENE 7kt⇓
3ft
Thursday
High: 81 °F
⇑ESE 6kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:39 am EST Feb 1, 2026
Forecast Valid: 4am EST Feb 1, 2026-6pm EST Feb 7, 2026

View Nearby Observations

Detailed Forecast

Sunday

SE wind 5 to 10 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Sunday Night

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas around 3 ft.

Monday

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas around 3 ft.

Monday Night

N wind 11 to 19 kt, with gusts as high as 27 kt. Showers and possibly a thunderstorm. Seas around 3 ft.

Tuesday

NNE wind 11 to 19 kt, with gusts as high as 27 kt. Scattered showers and thunderstorms. Seas around 3 ft.

Tuesday Night

NE wind 8 to 10 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Wednesday

ENE wind 9 to 12 kt. Showers likely. Seas around 3 ft.

Wednesday Night

ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Showers likely. Seas around 3 ft.

Thursday

Variable winds less than 5 kt becoming ESE around 6 kt in the morning. Showers likely. Seas around 2 ft.

Winds and seas higher in and near thunderstorms.

*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.