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Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
ESE 6kt⇓
Thanksgiving Day
High: 82 °F
Light Wind
Thursday Night
Low: 67 °F
⇑N 23kt
Friday
High: 75 °F
NNE 24kt
Friday Night
Low: 70 °F
NE 23kt
Saturday
High: 77 °F
ENE 23kt
Saturday Night
Low: 75 °F
E 24kt
Sunday
High: 80 °F
E 19kt
Sunday Night
Low: 76 °F
ESE 14kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:47 pm EST Nov 26, 2025
Forecast Valid: 9pm EST Nov 26, 2025-6pm EST Dec 3, 2025

View Nearby Observations

Detailed Forecast

Tonight

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms after 3am. Bay waters smooth.

Thanksgiving Day

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Bay waters smooth.

Thursday Night

N wind 8 to 13 kt increasing to 18 to 23 kt after midnight. A chance of showers and thunderstorms before 1am. Bay waters a light chop becoming a moderate chop.

Friday

NNE wind 21 to 24 kt. Partly sunny. Bay waters a moderate chop.

Friday Night

NE wind 20 to 23 kt. Partly cloudy. Bay waters a moderate chop becoming choppy in exposed areas.

Saturday

ENE wind 20 to 23 kt. Mostly sunny. Bay waters choppy in exposed areas becoming rough in exposed areas.

Saturday Night

E wind 20 to 24 kt. A slight chance of showers, with thunderstorms also possible after 1am. Bay waters rough in exposed areas.

Sunday

E wind 14 to 19 kt. A slight chance of showers and thunderstorms. Bay waters choppy in exposed areas becoming a moderate chop.

Sunday Night

ESE wind 10 to 14 kt. Partly cloudy. Bay waters a moderate chop becoming a light chop.

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.