For More Weather Information:

Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 76 °F
SW 10kt
Monday
High: 84 °F
WSW 12kt
Monday Night
Low: 71 °F
N 17kt
Tuesday
High: 76 °F
NE 16kt
Tuesday Night
Low: 72 °F
ENE 11kt
Wednesday
High: 78 °F
ENE 8kt
Wednesday Night
Low: 70 °F
NNW 7kt
Thursday
High: 79 °F
N 8kt
Thursday Night
Low: 70 °F
ENE 6kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:12 pm EST Dec 7, 2025
Forecast Valid: 6pm EST Dec 7, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Tonight

SW wind around 10 kt. Mostly cloudy. Bay waters a light chop.

Monday

WSW wind 10 to 12 kt. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Bay waters a light chop.

Monday Night

W wind 12 to 17 kt becoming N after midnight. A chance of showers before 7pm. Bay waters a light chop.

Tuesday

NE wind 12 to 16 kt. A slight chance of showers after 1pm. Bay waters a light chop.

Tuesday Night

ENE wind 8 to 11 kt. Mostly cloudy. Bay waters a light chop.

Wednesday

ENE wind around 8 kt. Partly sunny. Bay waters a light chop.

Wednesday Night

SE wind 5 to 7 kt becoming NNW after midnight. Partly cloudy. Bay waters smooth.

Thursday

NNW wind 6 to 8 kt becoming NE in the afternoon. Mostly sunny. Bay waters smooth.

Thursday Night

ENE wind around 6 kt becoming N after midnight. Mostly clear. Bay waters smooth.

Winds and waves higher in and near tstms.

*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.