Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Short Term Forecast

For More Weather Information:

Key West, FL Local Forecast Office

3NM WSW Islamorada FL

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
SSE 10kt
< 1ft
Tonight
Low: 69 °F
WSW 10kt
< 1ft
Tuesday
High: 74 °F
N 15kt
< 1ft
Tuesday Night
Low: 65 °F
NNE 15kt
< 1ft
Wednesday
High: 75 °F
NE 15kt
< 1ft
Wednesday Night
Low: 68 °F
NE 15kt
< 1ft
Thursday
High: 74 °F
NNE 15kt
< 1ft
Thursday Night
Low: 67 °F
NNE 20kt
< 1ft
Friday
High: 76 °F
N 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:15 am CDT Mar 16, 2026
Forecast Valid: 8am CDT Mar 16, 2026-6pm CDT Mar 22, 2026

View Nearby Observations

Detailed Forecast

Today

SSE wind around 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

SW wind 5 to 10 kt becoming NW after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

N wind 10 to 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.

Wednesday

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

Wednesday Night

NE wind around 15 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Thursday

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

Thursday Night

NNE wind around 20 kt. A slight chance of showers. Seas 1 ft or less.

Friday

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