Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. 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]

Tonight
Low: 80 °F
⇑S 10kt
< 1ft
Monday
High: 86 °F
SW 10kt
< 1ft
Monday Night
Low: 81 °F
SSW 10kt
< 1ft
Tuesday
High: 87 °F
S 10kt
< 1ft
Tuesday Night
Low: 81 °F
SE 10kt
< 1ft
Wednesday
High: 86 °F
Light Wind
< 1ft
Wednesday Night
Low: 80 °F
Light Wind
< 1ft
Thursday
High: 86 °F
Light Wind
< 1ft
Thursday Night
Low: 80 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:15 pm CDT Sep 20, 2026
Forecast Valid: 7pm CDT Sep 20, 2026-6pm CDT Sep 27, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds less than 5 kt becoming S 5 to 10 kt after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday

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

Monday Night

SSW wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Tuesday

S wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. 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.