For More Weather Information:

Key Biscayne FL

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:02 pm EDT Mar 22, 2025
Forecast Valid: 6pm EDT Mar 22, 2025-6pm EDT Mar 29, 2025

Tonight

ESE wind 5 to 7 kt becoming ENE after midnight. Mostly cloudy. Bay waters smooth.

Sunday

E wind 8 to 10 kt. Partly sunny. Bay waters a light chop.

Sunday Night

E wind 11 to 14 kt. Mostly cloudy. Bay waters a light chop becoming a moderate chop.

Monday

SE wind 10 to 12 kt. Mostly sunny. Bay waters a light chop.

Monday Night

SSE wind 6 to 10 kt. Mostly cloudy. Bay waters a light chop becoming smooth.

Tuesday

W wind around 7 kt becoming E in the afternoon. A chance of showers after 2pm. Bay waters smooth.

Tuesday Night

E wind 6 to 8 kt. A chance of showers, mainly before 8pm. Bay waters a light chop becoming smooth.

Wednesday

NE wind 6 to 8 kt. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Bay waters smooth becoming a light chop.

Wednesday Night

ENE wind around 10 kt. A chance of showers and thunderstorms before 8pm. Bay waters a light chop.

*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.