For More Weather Information:

Marathon FL

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:15 pm CDT May 7, 2026
Forecast Valid: 9pm CDT May 7, 2026-6pm CDT May 14, 2026

Tonight

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Friday Night

SE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Saturday Night

SE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Sunday

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

Sunday Night

E wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. 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.