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 NE San Juan PR

Marine Point Forecast

[NOTICE]

This Afternoon
High: 82 °F
SSE 9kt
< 1ft
Tonight
Low: 73 °F
SSE 8kt
< 1ft
Friday
High: 83 °F
Light Wind
< 1ft
Friday Night
Low: 73 °F
Light Wind
< 1ft
Saturday
High: 82 °F
⇑NW 7kt
< 1ft
Saturday Night
Low: 73 °F
⇑NNW 10kt
< 1ft
Sunday
High: 78 °F
N 12kt
< 1ft
Sunday Night
Low: 73 °F
NNE 12kt
< 1ft
Monday
High: 79 °F
NE 14kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:31 pm EST Feb 5, 2026
Forecast Valid: 2pm EST Feb 5, 2026-6pm EST Feb 11, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON AST TODAY...

This Afternoon

SSE wind around 9 kt. Scattered showers, mainly after 5pm. Seas 1 ft or less.

Tonight

SSE wind 5 to 8 kt. Scattered showers, mainly before 8pm. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Scattered showers, mainly after 5pm. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Scattered showers before 8pm, then isolated showers after 11pm. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming NW 5 to 7 kt in the afternoon. Isolated showers before 8am, then scattered showers after 11am. Seas 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming NNW 5 to 10 kt in the evening. Showers likely. Seas 1 ft or less.

Sunday

N wind around 12 kt. Showers likely. Seas 1 ft or less.

Sunday Night

NNE wind 9 to 12 kt. Scattered showers. Seas 1 ft or less.

Monday

NE wind 12 to 14 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.