For More Weather Information:

Biscayne Bay FL

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:31 am EDT Apr 21, 2026
Forecast Valid: 6am EDT Apr 21, 2026-6pm EDT Apr 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

Today

NE wind 23 to 27 kt. A slight chance of showers before 7am. Bay waters rough in exposed areas.

Tonight

ENE wind 22 to 26 kt. Partly cloudy. Bay waters rough in exposed areas.

Wednesday

E wind 16 to 20 kt. Mostly sunny. Bay waters choppy in exposed areas.

Wednesday Night

E wind 15 to 18 kt. Mostly cloudy. Bay waters choppy in exposed areas becoming a moderate chop.

Thursday

E wind around 14 kt. A slight chance of showers before 2pm. Bay waters a moderate chop.

Thursday Night

E wind 12 to 14 kt. A slight chance of showers after 2am. Bay waters a moderate chop.

Friday

ESE wind around 11 kt. A slight chance of showers and thunderstorms. Bay waters a light chop.

Friday Night

E wind around 9 kt. Partly cloudy. Bay waters a light chop.

Saturday

ESE wind 6 to 8 kt. Mostly sunny. 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.