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Miami - South Florida Local Forecast Office

5NM WNW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Today
High: 80 °F
E 10kt
Tonight
Low: 74 °F
E 9kt
Wednesday
High: 80 °F
ESE 11kt
Wednesday Night
Low: 74 °F
E 9kt
Thursday
High: 82 °F
S 10kt
Thursday Night
Low: 72 °F
SSW 8kt
Friday
High: 81 °F
SE 9kt
Friday Night
Low: 73 °F
Light Wind
Saturday
High: 80 °F
⇑ESE 8kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:16 am EDT Mar 10, 2026
Forecast Valid: 5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026

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Detailed Forecast

Today

E wind 5 to 10 kt. Sunny. Bay waters a light chop.

Tonight

E wind around 9 kt. Mostly clear. Bay waters a light chop.

Wednesday

ESE wind 8 to 11 kt. Sunny. Bay waters a light chop.

Wednesday Night

E wind around 9 kt. Mostly clear. Bay waters a light chop.

Thursday

S wind 7 to 10 kt. A slight chance of showers after 2pm. Bay waters a light chop.

Thursday Night

SSW wind 5 to 8 kt. A slight chance of showers and thunderstorms. Bay waters smooth.

Friday

S wind 5 to 9 kt becoming SE in the morning. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Bay waters smooth becoming a light chop.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the morning. A chance of showers, with thunderstorms also possible after 2pm. Bay waters smooth becoming a light chop.

*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.