Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 80 °F
S 6kt⇓
4-5ft
Friday
High: 82 °F
⇑N 7kt
4ft
Friday Night
Low: 80 °F
Light Wind
3-4ft
Saturday
High: 81 °F
⇑NW 8kt
3-4ft
Saturday Night
Low: 80 °F
NNW 10kt
5ft
Sunday
High: 81 °F
N 11kt
5ft
Sunday Night
Low: 80 °F
NNE 11kt
5-6ft
Monday
High: 81 °F
NE 13kt
8-9ft
Monday Night
Low: 80 °F
NE 11kt
9ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:25 pm EST Feb 5, 2026
Forecast Valid: 10pm EST Feb 5, 2026-6pm EST Feb 12, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight

S wind around 6 kt becoming variable and less than 5 kt after midnight. Isolated showers between 11pm and 2am. Seas 4 to 5 ft.

Friday

Variable winds less than 5 kt becoming N 5 to 7 kt. Showers likely, mainly between 2pm and 5pm. Seas around 4 ft.

Friday Night

Variable winds 5 kt or less. Scattered showers before 8pm, then isolated showers after 11pm. Seas 3 to 4 ft.

Saturday

Variable winds less than 5 kt becoming NW 5 to 8 kt in the afternoon. Isolated showers before 8am, then scattered showers after 11am. Seas 3 to 4 ft.

Saturday Night

NNW wind 5 to 10 kt. Showers likely. Seas around 5 ft.

Sunday

N wind around 11 kt. Showers likely, mainly before 11am. Seas around 5 ft.

Sunday Night

NNE wind 9 to 11 kt. Scattered showers. Seas 5 to 6 ft.

Monday

NE wind around 13 kt. Showers likely. Seas 8 to 9 ft.

Monday Night

NE wind 8 to 11 kt. Scattered showers. Seas around 9 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.