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3NM S Marathon FL

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:15 am CDT Jul 2, 2026
Forecast Valid: 8am CDT Jul 2, 2026-6pm CDT Jul 8, 2026

Today

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

Tonight

E wind 5 to 10 kt becoming SE after midnight. A slight chance of showers and thunderstorms. Seas around 1 ft.

Friday

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

Friday Night

E wind 5 to 10 kt becoming SE after midnight. A chance of showers and thunderstorms. Seas around 1 ft.

Independence Day

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

Saturday Night

E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Sunday

SE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Sunday Night

SE wind 10 to 15 kt. A slight chance of showers and thunderstorms. Seas around 2 ft.

Monday

SE wind around 10 kt. Mostly sunny. Seas around 2 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.