Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

Hazardous Weather Conditions

Small Craft Advisory until February 5, 11:00 AM EST

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
ENE 13kt
8ft

Small Craft Advisory
Tonight
Low: 80 °F
E 10kt⇓
6-7ft

Small Craft Advisory
Thursday
High: 81 °F
⇑SE 8kt
5ft

Small Craft Advisory
Thursday Night
Low: 80 °F
SSE 7kt⇓
4ft
Friday
High: 82 °F
Light Wind
4ft
Friday Night
Low: 80 °F
Light Wind
3ft
Saturday
High: 82 °F
⇑NNW 8kt
3-4ft
Saturday Night
Low: 80 °F
N 12kt
5ft
Sunday
High: 82 °F
NNE 13kt
5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:25 am EST Feb 4, 2026
Forecast Valid: 11am EST Feb 4, 2026-6pm EST Feb 10, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

Today

ENE wind 11 to 13 kt. Scattered showers. Seas around 8 ft.

Tonight

E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Scattered showers, mainly after 2am. Seas 6 to 7 ft.

Thursday

Variable winds less than 5 kt becoming SE 5 to 8 kt in the morning. Showers likely, mainly between 8am and 11am. Seas around 5 ft.

Thursday Night

SSE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers before 11pm. Seas around 4 ft.

Friday

Variable winds 5 kt or less. Scattered showers. Seas around 4 ft.

Friday Night

Variable winds 5 kt or less. Scattered showers, mainly before 11pm. Seas around 3 ft.

Saturday

Variable winds less than 5 kt becoming NNW 5 to 8 kt in the morning. Showers likely after 11am. Seas 3 to 4 ft.

Saturday Night

N wind 8 to 12 kt. Scattered showers. Seas around 5 ft.

Sunday

NNE wind 11 to 13 kt. Scattered showers. Seas around 5 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.