Last Update: 406 AM EDT Sat Aug 22 2026
For More Weather Information:
Key Biscayne FL
Marine Zone Forecast
Today
SE winds around 5 kt, increasing to 5 to 10 kt this afternoon. Light chop.
Tonight
SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Light chop.
Sun
S winds around 5 kt, becoming SE in the afternoon. Light chop. A chance of showers and tstms in the afternoon.
Sun Night
SE winds 5 to 10 kt. Light chop.
Mon
SE winds around 5 kt, becoming E in the afternoon. Light chop.
Mon Night
E winds 5 to 10 kt. Light chop.
Tue
E winds 5 to 10 kt. Light chop.
Tue Night
E winds 5 to 10 kt. Light chop. A chance of showers and tstms after midnight.
Wed
SE winds 5 to 10 kt. Light chop. A chance of showers and tstms.
Wed Night
E winds 5 to 10 kt. Light chop. A chance of showers and tstms early in the evening. A chance of showers and tstms after midnight.
winds and waves higher in and near tstms.
winds and waves higher in and near tstms.
Winds and waves higher in and near tstms.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaRADAR & SATELLITE IMAGES
