Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from March 15, 06:00 PM EDT until March 18, 02:00 AM EDT

For More Weather Information:

San Juan, PR Local Forecast Office

2NM WSW Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

Tonight
Low: 79 °F
E 19kt
2-3ft
Sunday
High: 80 °F
E 22kt
3-4ft
Sunday Night
Low: 79 °F
E 23kt
4ft
Monday
High: 80 °F
E 22kt
4ft
Monday Night
Low: 79 °F
E 21kt
4ft
Tuesday
High: 80 °F
E 21kt
4ft
Tuesday Night
Low: 79 °F
E 19kt
4ft
Wednesday
High: 80 °F
E 17kt
3-4ft
Wednesday Night
Low: 79 °F
E 18kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:43 pm EDT Mar 14, 2026
Forecast Valid: 6pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 15 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 3am. Seas 2 to 3 ft.

Sunday

E wind 20 to 22 kt, with gusts as high as 30 kt. Scattered showers. Seas 3 to 4 ft.

Sunday Night

E wind 21 to 23 kt, with gusts as high as 31 kt. Isolated showers before 9pm, then scattered showers after midnight. Seas around 4 ft.

Monday

E wind 20 to 22 kt, with gusts as high as 30 kt. Scattered showers, mainly before noon. Seas around 4 ft.

Monday Night

E wind around 21 kt, with gusts as high as 28 kt. Isolated showers. Seas around 4 ft.

Tuesday

E wind 18 to 21 kt, with gusts as high as 28 kt. Scattered showers, mainly after noon. Seas around 4 ft.

Tuesday Night

E wind around 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas around 4 ft.

Wednesday

E wind around 17 kt, with gusts as high as 23 kt. Scattered showers. Seas 3 to 4 ft.

Wednesday Night

E wind around 18 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 3 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.