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Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]

Saturday
High: 84 °F
⇑E 12kt
Saturday Night
Low: 81 °F
ESE 14kt
Sunday
High: 84 °F
E 13kt
Sunday Night
Low: 82 °F
E 17kt
Monday
High: 84 °F
E 16kt
Monday Night
Low: 82 °F
E 18kt
Tuesday
High: 84 °F
E 15kt
Tuesday Night
Low: 81 °F
E 16kt
Wednesday
High: 83 °F
E 13kt

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:17 am EDT May 16, 2026
Forecast Valid: 4am EDT May 16, 2026-6pm EDT May 22, 2026

View Nearby Observations

Detailed Forecast

Saturday

Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Bay waters a light chop.

Saturday Night

ESE wind around 14 kt. A slight chance of showers and thunderstorms after 2am. Bay waters a moderate chop.

Sunday

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

Sunday Night

E wind 15 to 17 kt. A chance of showers and thunderstorms. Bay waters a moderate chop.

Monday

E wind around 16 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Bay waters a moderate chop.

Monday Night

E wind around 18 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Bay waters choppy in exposed areas.

Tuesday

E wind around 15 kt. A chance of showers and thunderstorms. Bay waters a moderate chop.

Tuesday Night

E wind 13 to 16 kt. A chance of showers and thunderstorms. Bay waters a moderate chop.

Wednesday

E wind around 13 kt. A chance of showers and thunderstorms, mainly before 2pm. Bay waters a light chop becoming 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.