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Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 80 °F
SSW 9kt
Independence Day
High: 86 °F
SSW 11kt
Friday Night
Low: 81 °F
SSW 10kt
Saturday
High: 87 °F
SSW 14kt
Saturday Night
Low: 81 °F
SSW 12kt
Sunday
High: 88 °F
S 10kt
Sunday Night
Low: 82 °F
S 9kt
Monday
High: 87 °F
ESE 9kt
Monday Night
Low: 82 °F
SE 8kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:36 pm EDT Jul 3, 2025
Forecast Valid: 7pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

View Nearby Observations

Detailed Forecast

Tonight

SSW wind around 9 kt. A chance of showers and thunderstorms, mainly between 2am and 3am. Bay waters a light chop.

Independence Day

SSW wind 9 to 11 kt. Showers and thunderstorms likely, mainly between 11am and noon. Bay waters a light chop.

Friday Night

SSW wind around 10 kt. A chance of showers and thunderstorms. Bay waters a light chop.

Saturday

SSW wind 11 to 14 kt. Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely, mainly between 11am and 2pm. Bay waters a light chop.

Saturday Night

SSW wind around 12 kt. A chance of showers and thunderstorms. Bay waters a light chop.

Sunday

S wind around 10 kt. A chance of showers and thunderstorms. Bay waters a light chop.

Sunday Night

S wind 6 to 9 kt. Partly cloudy. Bay waters a light chop becoming smooth.

Monday

ESE wind 5 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Bay waters smooth becoming a light chop.

Monday Night

SE wind around 8 kt. A chance of showers and thunderstorms, mainly before 8pm. Bay waters a light chop becoming 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.