Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM WSW Islamorada FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
E 15kt
< 1ft
Wednesday
High: 79 °F
E 15kt
< 1ft
Wednesday Night
Low: 75 °F
E 15kt
< 1ft
Thursday
High: 80 °F
SE 10kt
< 1ft
Thursday Night
Low: 73 °F
Light Wind
< 1ft
Friday
High: 78 °F
SE 10kt
< 1ft
Friday Night
Low: 74 °F
SE 10kt
< 1ft
Saturday
High: 79 °F
SE 10kt
1ft
Saturday Night
Low: 74 °F
ESE 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 10, 2026
Forecast Valid: 10pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind around 15 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

E wind around 15 kt. Sunny. Seas 1 ft or less.

Wednesday Night

E wind 10 to 15 kt. Mostly clear. Seas 1 ft or less.

Thursday

SE wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

SE wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

Friday Night

SE wind 5 to 10 kt. A slight chance of showers. Seas 1 ft or less.

Saturday

SE wind 5 to 10 kt. A chance of showers. Seas around 1 ft.

Saturday Night

ESE wind 5 to 15 kt. A chance of showers. Seas around 1 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.