Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from January 17, 05:00 PM EST until January 18, 05:00 PM EST

For More Weather Information:

San Juan, PR Local Forecast Office

2NM WSW Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
E 21kt
4ft
Sunday
High: 86 °F
E 19kt
4ft
Sunday Night
Low: 76 °F
E 20kt
4ft
M.L.King Day
High: 82 °F
E 19kt
3ft
Monday Night
Low: 80 °F
E 19kt
4ft
Tuesday
High: 82 °F
E 20kt
3-4ft
Tuesday Night
Low: 80 °F
E 20kt
4ft
Wednesday
High: 82 °F
E 20kt
4ft
Wednesday Night
Low: 80 °F
E 21kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:04 pm EST Jan 17, 2026
Forecast Valid: 6pm EST Jan 17, 2026-6pm EST Jan 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 19 to 21 kt, with gusts as high as 28 kt. Scattered showers, mainly between 11pm and 5am. Seas around 4 ft.

Sunday

E wind around 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 8am. Seas around 4 ft.

Sunday Night

E wind 17 to 20 kt, with gusts as high as 27 kt. Scattered showers, mainly after 11pm. Seas around 4 ft.

M.L.King Day

E wind 16 to 19 kt, with gusts as high as 25 kt. Scattered showers. Seas around 3 ft.

Monday Night

E wind around 19 kt, with gusts as high as 26 kt. Scattered showers. Seas around 4 ft.

Tuesday

E wind 18 to 20 kt, with gusts as high as 27 kt. Isolated showers. Seas 3 to 4 ft.

Tuesday Night

E wind around 20 kt, with gusts as high as 28 kt. Scattered showers. Seas around 4 ft.

Wednesday

E wind around 20 kt, with gusts as high as 27 kt. Scattered showers. Seas around 4 ft.

Wednesday Night

E wind around 21 kt, with gusts as high as 29 kt. Scattered showers. Seas around 4 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.