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Key West, FL Local Forecast Office

33NM S Sand Key Light FL

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind around 10 km/h. Partly sunny. Seas 1 m or less.

      High: 31 °C

      N 10km/h
      < 1m

    • Tonight

      Tonight:NNW wind 5 to 15 km/h becoming ENE after midnight. Partly cloudy. Seas 1 m or less.

      Low: 28 °C

      NNW 15km/h
      < 1m

    • Thursday

      Thursday:Variable winds 5 km/h or less. Mostly sunny. Seas 1 m or less.

      High: 31 °C

      Light Wind
      < 1m

    • Thursday Night

      Thursday Night:N wind 10 to 15 km/h becoming ESE after midnight. Partly cloudy. Seas 1 m or less.

      Low: 28 °C

      ENE 15km/h
      < 1m

    • Friday

      Friday:ESE wind around 10 km/h becoming ENE in the afternoon. Mostly sunny. Seas 1 m or less.

      High: 31 °C

      ENE 10km/h
      < 1m

    • Friday Night

      Friday Night:NE wind around 15 km/h becoming ESE after midnight. Mostly clear. Seas 1 m or less.

      Low: 28 °C

      E 15km/h
      < 1m

    • Saturday

      Saturday:ESE wind around 10 km/h becoming ENE in the afternoon. Sunny. Seas 1 m or less.

      High: 31 °C

      ESE 10km/h
      < 1m

    • Saturday Night

      Saturday Night:ENE wind 10 to 15 km/h becoming ESE after midnight. Mostly clear. Seas 1 m or less.

      Low: 28 °C

      E 15km/h
      < 1m

    • Sunday

      Sunday:ESE wind around 10 km/h becoming ENE in the afternoon. Sunny. Seas 1 m or less.

      High: 31 °C

      ESE 10km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 pm CDT Aug 19, 2026
Forecast Valid: 1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026

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Detailed Forecast


This Afternoon
N wind around 10 km/h. Partly sunny. Seas 1 m or less.
Tonight
NNW wind 5 to 15 km/h becoming ENE after midnight. Partly cloudy. Seas 1 m or less.
Thursday
Variable winds 5 km/h or less. Mostly sunny. Seas 1 m or less.
Thursday Night
N wind 10 to 15 km/h becoming ESE after midnight. Partly cloudy. Seas 1 m or less.
Friday
ESE wind around 10 km/h becoming ENE in the afternoon. Mostly sunny. Seas 1 m or less.
Friday Night
NE wind around 15 km/h becoming ESE after midnight. Mostly clear. Seas 1 m or less.
Saturday
ESE wind around 10 km/h becoming ENE in the afternoon. Sunny. Seas 1 m or less.
Saturday Night
ENE wind 10 to 15 km/h becoming ESE after midnight. Mostly clear. Seas 1 m or less.
Sunday
ESE wind around 10 km/h becoming ENE in the afternoon. Sunny. Seas 1 m or less.

*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: 23.91°N 81.79°W
Last Update: 12:15 pm CDT Aug 19, 2026
Forecast Valid: 1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
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