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Miami - South Florida Local Forecast Office

5NM WNW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Today
High: 87 °F
⇑ESE 9kt
Tonight
Low: 81 °F
ESE 8kt
Saturday
High: 87 °F
SE 10kt
Saturday Night
Low: 81 °F
E 9kt
Sunday
High: 87 °F
E 12kt
Sunday Night
Low: 82 °F
E 12kt
Monday
High: 87 °F
E 13kt
Monday Night
Low: 81 °F
E 12kt
Tuesday
High: 86 °F
E 13kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:26 am EDT Jun 20, 2025
Forecast Valid: 5am EDT Jun 20, 2025-6pm EDT Jun 26, 2025

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Detailed Forecast

Today

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Bay waters smooth becoming a light chop.

Tonight

ESE wind 6 to 8 kt. A chance of showers and thunderstorms, mainly between 2am and 5am. Bay waters a light chop becoming smooth.

Saturday

SE wind 7 to 10 kt. A chance of showers and thunderstorms, mainly after 7am. Bay waters a light chop.

Saturday Night

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

Sunday

E wind 9 to 12 kt. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Bay waters a light chop.

Sunday Night

E wind around 12 kt. Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Bay waters a light chop.

Monday

E wind around 13 kt. A chance of showers and thunderstorms. Bay waters a light chop becoming a moderate chop.

Monday Night

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

Tuesday

E wind around 13 kt. A chance of showers and thunderstorms. Bay waters a light chop becoming a moderate 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.