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Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 85 °F
SSW 8kt
Tonight
Low: 77 °F
WSW 7kt
Tuesday
High: 84 °F
SSW 9kt
Tuesday Night
Low: 81 °F
SE 13kt
Wednesday
High: 86 °F
SE 13kt
Wednesday Night
Low: 83 °F
ESE 13kt
Thursday
High: 87 °F
SE 15kt
Thursday Night
Low: 83 °F
E 14kt
Friday
High: 87 °F
ESE 15kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:32 pm EDT Jul 14, 2025
Forecast Valid: 5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025

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Detailed Forecast

Late Afternoon

SSW wind around 8 kt. Showers and thunderstorms. Some of the storms could produce heavy rainfall. Bay waters smooth.

Tonight

WSW wind around 7 kt becoming SSW after midnight. Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Bay waters smooth.

Tuesday

SSW wind around 9 kt. Showers and thunderstorms before 11am, then showers and possibly a thunderstorm between 11am and 1pm, then showers and thunderstorms likely after 1pm. Bay waters smooth becoming a light chop.

Tuesday Night

SE wind 8 to 13 kt. A chance of showers and thunderstorms. Bay waters a light chop becoming a moderate chop.

Wednesday

SE wind 11 to 13 kt. Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely after 11am. Bay waters a moderate chop becoming a light chop.

Wednesday Night

ESE wind 9 to 13 kt. A chance of showers and thunderstorms. Bay waters a light chop becoming a moderate chop.

Thursday

SE wind 12 to 15 kt. Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely, mainly between 11am and 2pm. Bay waters a moderate chop.

Thursday Night

E wind 10 to 14 kt. A chance of showers and thunderstorms before 8pm. Bay waters a light chop becoming a moderate chop.

Friday

ESE wind 13 to 15 kt. A chance of showers and thunderstorms. Bay waters a moderate 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.