Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

5NM SE Content Keys FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 72 °F
Light Wind
< 1ft
Saturday
High: 85 °F
Light Wind
< 1ft
Saturday Night
Low: 73 °F
E 10kt
< 1ft
Sunday
High: 85 °F
SE 10kt
< 1ft
Sunday Night
Low: 73 °F
SE 10kt
< 1ft
Monday
High: 85 °F
SSE 10kt
< 1ft
Monday Night
Low: 65 °F
NW 15kt
< 1ft
Tuesday
High: 78 °F
N 15kt
< 1ft
Tuesday Night
Low: 62 °F
NNE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:15 pm CDT Mar 13, 2026
Forecast Valid: 9pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Saturday Night

E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Sunday

SE wind around 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday Night

SE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday

SSE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday Night

WSW wind 5 to 15 kt becoming NW after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

N wind around 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday Night

NNE wind around 15 kt. A chance of showers and thunderstorms. 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.