For More Weather Information:

Miami - South Florida Local Forecast Office

4NM WSW Biscayne Bay FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:NE wind 35 to 39 km/h, with gusts as high as 45 km/h. Mostly sunny. Bay waters very rough becoming  extremely rough in exposed areas.

      High: 23 °C

      NE 39km/h

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:ENE wind 45 to 50 km/h. Partly cloudy. Bay waters extremely rough in exposed areas.

      Low: 21 °C

      ENE 50km/h

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:ENE wind 32 to 42 km/h. A slight chance of showers after 1pm.   Bay waters extremely rough in exposed areas.

      High: 23 °C

      ENE 42km/h

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:ENE wind 30 to 35 km/h decreasing to 23 to 28 km/h after midnight. A chance of showers, mainly before 1am.   Bay waters extremely rough in exposed areas becoming  rough in exposed areas.

      Low: 23 °C

      ENE 35km/h⇓

    • Thursday

      Thursday:ENE wind 16 to 23 km/h. A chance of showers, with thunderstorms also possible after 1pm.   Bay waters choppy in exposed areas becoming  rough in exposed areas.

      High: 25 °C

      ENE 23km/h

    • Thursday Night

      Thursday Night:ENE wind 18 to 23 km/h. A slight chance of showers before 1am.   Bay waters rough in exposed areas becoming  choppy in exposed areas.

      Low: 23 °C

      ENE 23km/h

    • Friday

      Friday:E wind 14 to 18 km/h. A slight chance of showers after 1pm.   Bay waters a moderate chop becoming  choppy in exposed areas.

      High: 26 °C

      E 18km/h

    • Friday Night

      Friday Night:E wind around 14 km/h. Mostly clear. Bay waters a moderate chop.

      Low: 23 °C

      E 14km/h

    • Saturday

      Saturday:ESE wind 14 to 16 km/h. Sunny. Bay waters a moderate chop.

      High: 26 °C

      ESE 16km/h


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:47 am EST Jan 20, 2026
Forecast Valid: 11am EST Jan 20, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast

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

Today
NE wind 35 to 39 km/h, with gusts as high as 45 km/h. Mostly sunny. Bay waters very rough becoming extremely rough in exposed areas.
Tonight
ENE wind 45 to 50 km/h. Partly cloudy. Bay waters extremely rough in exposed areas.
Wednesday
ENE wind 32 to 42 km/h. A slight chance of showers after 1pm. Bay waters extremely rough in exposed areas.
Wednesday Night
ENE wind 30 to 35 km/h decreasing to 23 to 28 km/h after midnight. A chance of showers, mainly before 1am. Bay waters extremely rough in exposed areas becoming rough in exposed areas.
Thursday
ENE wind 16 to 23 km/h. A chance of showers, with thunderstorms also possible after 1pm. Bay waters choppy in exposed areas becoming rough in exposed areas.
Thursday Night
ENE wind 18 to 23 km/h. A slight chance of showers before 1am. Bay waters rough in exposed areas becoming choppy in exposed areas.
Friday
E wind 14 to 18 km/h. A slight chance of showers after 1pm. Bay waters a moderate chop becoming choppy in exposed areas.
Friday Night
E wind around 14 km/h. Mostly clear. Bay waters a moderate chop.
Saturday
ESE wind 14 to 16 km/h. Sunny. Bay waters a moderate chop.

*Notices:

  1. 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.
  2. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 25.6°N 80.23°W
Last Update: 3:47 am EST Jan 20, 2026
Forecast Valid: 11am EST Jan 20, 2026-6pm EST Jan 26, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data