For More Weather Information:

Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
E 12kt
Tonight
Low: 76 °F
ESE 10kt
Wednesday
High: 82 °F
SE 8kt
Wednesday Night
Low: 75 °F
Light Wind
Thanksgiving Day
High: 81 °F
⇑NNE 9kt
Thursday Night
Low: 68 °F
N 23kt
Friday
High: 75 °F
NNE 24kt
Friday Night
Low: 70 °F
NNE 23kt
Saturday
High: 77 °F
ENE 23kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:31 pm EST Nov 25, 2025
Forecast Valid: 1pm EST Nov 25, 2025-6pm EST Dec 1, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 12 kt. Sunny. Bay waters a light chop.

Tonight

ESE wind around 10 kt. Partly cloudy. Bay waters a light chop.

Wednesday

SE wind around 8 kt. Mostly sunny. Bay waters smooth becoming a light chop.

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 1am. Bay waters smooth.

Thanksgiving Day

Variable winds less than 5 kt becoming NNE 5 to 9 kt in the morning. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Bay waters smooth becoming a light chop.

Thursday Night

N wind 15 to 23 kt. A chance of showers and thunderstorms before 1am. Bay waters a moderate chop.

Friday

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

Friday Night

NNE wind around 23 kt. Mostly cloudy. Bay waters a moderate chop becoming choppy in exposed areas.

Saturday

ENE wind 20 to 23 kt. A slight chance of showers. Bay waters rough in exposed areas.

*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.