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Miami - South Florida Local Forecast Office

3NM WSW Key Biscayne FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind 9 to 12 kt. A slight chance of showers before 10am.   Bay waters a light chop.

      High: 80 °F

      ENE 12kt

    • Tonight

      Tonight:ENE wind 10 to 13 kt. Partly cloudy. Bay waters a moderate chop becoming  a light chop.

      Low: 76 °F

      ENE 13kt

    • Saturday

      Saturday:E wind 8 to 10 kt. Sunny. Bay waters a light chop.

      High: 81 °F

      E 10kt

    • Saturday Night

      Saturday Night:E wind 9 to 12 kt. Partly cloudy. Bay waters a light chop.

      Low: 76 °F

      E 12kt

    • Sunday

      Sunday:Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. Partly sunny. Bay waters smooth.

      High: 82 °F

      ⇑SE 7kt

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly cloudy. Bay waters smooth.

      Low: 75 °F

      Light Wind

    • Monday

      Monday:N wind 5 to 12 kt becoming NE in the afternoon. A chance of showers and thunderstorms after 2pm.   Bay waters smooth becoming  a light chop.

      High: 81 °F

      NE 12kt

    • Monday Night

      Monday Night:NE wind 20 to 26 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Bay waters rough in exposed areas.

      Low: 73 °F

      NE 26kt

    • Tuesday

      Tuesday:NE wind 23 to 27 kt. A slight chance of showers.   Bay waters rough in exposed areas.

      High: 76 °F

      NE 27kt


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:01 am EDT Apr 17, 2026
Forecast Valid: 9am EDT Apr 17, 2026-6pm EDT Apr 23, 2026

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Detailed Forecast


Today
ENE wind 9 to 12 kt. A slight chance of showers before 10am. Bay waters a light chop.
Tonight
ENE wind 10 to 13 kt. Partly cloudy. Bay waters a moderate chop becoming a light chop.
Saturday
E wind 8 to 10 kt. Sunny. Bay waters a light chop.
Saturday Night
E wind 9 to 12 kt. Partly cloudy. Bay waters a light chop.
Sunday
Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. Partly sunny. Bay waters smooth.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Bay waters smooth.
Monday
N wind 5 to 12 kt becoming NE in the afternoon. A chance of showers and thunderstorms after 2pm. Bay waters smooth becoming a light chop.
Monday Night
NE wind 20 to 26 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Bay waters rough in exposed areas.
Tuesday
NE wind 23 to 27 kt. A slight chance of showers. Bay waters rough in exposed areas.

*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.
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ABOUT THIS FORECAST

Point Forecast: 25.67°N 80.2°W
Last Update: 4:01 am EDT Apr 17, 2026
Forecast Valid: 9am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
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