Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Short Term Forecast

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

Monday
High: 82 °F
SSE 15kt
2-3ft
Monday Night
Low: 69 °F
NW 15kt
2ft
Tuesday
High: 76 °F
N 20kt
2ft
Tuesday Night
Low: 66 °F
NNE 20kt
2-3ft
Wednesday
High: 75 °F
NE 20kt
3ft
Wednesday Night
Low: 69 °F
NE 25kt
3-4ft
Thursday
High: 76 °F
NNE 20kt
3-4ft
Thursday Night
Low: 68 °F
NNE 20kt
3ft
Friday
High: 76 °F
NNE 20kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 am CDT Mar 16, 2026
Forecast Valid: 1am CDT Mar 16, 2026-6pm CDT Mar 22, 2026

View Nearby Observations

Detailed Forecast

Monday

SSE wind 10 to 15 kt becoming SSW in the afternoon. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Monday Night

SW wind 10 to 15 kt becoming NW after midnight. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Tuesday

N wind 15 to 20 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Tuesday Night

NNE wind around 20 kt. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Wednesday

NE wind 15 to 20 kt. Showers likely and possibly a thunderstorm. Seas around 3 ft.

Wednesday Night

NE wind 20 to 25 kt. A chance of showers and thunderstorms. Seas 3 to 4 ft.

Thursday

NNE wind around 20 kt. A chance of showers. Seas 3 to 4 ft.

Thursday Night

NNE wind 15 to 20 kt. A slight chance of showers. Seas around 3 ft.

Friday

NNE wind 15 to 20 kt. A slight chance of showers. 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.