24.6017’ N, 81.6550’ W

Big Coppitt Key, Waltz Key Basin, FL

89°
H 91°
L 82°
SE
9mph
Low tide
10:22 pm

Big Coppitt Key, Waltz Key Basin, FL Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Aug 25
Partly Cloudy
Close Hourly
91º / 82º 6% ESE 10 mph 64%
2pm Partly Cloudy 89º 4% SE 9 mph 63%
3pm Partly Cloudy 89º 6% SE 10 mph 65%
4pm Partly Cloudy 89º 6% SE 9 mph 63%
5pm Partly Cloudy 88º 2% ESE 9 mph 66%
6pm Partly Cloudy 87º 2% ESE 9 mph 68%
7pm Partly Cloudy 87º 4% ESE 7 mph 69%
8pm Partly Cloudy 85º 6% ESE 8 mph 72%
9pm Partly Cloudy 85º 10% ESE 9 mph 73%
10pm Partly Cloudy 85º 9% ESE 9 mph 74%
11pm Partly Cloudy 84º 11% ESE 9 mph 75%
Wed
Aug 26
Mostly Cloudy
View Hourly
89º / 82º 24% SE 12 mph 71%
12am Partly Cloudy 84º 24% ESE 9 mph 74%
1am Partly Cloudy 84º 15% ESE 9 mph 74%
2am Partly Cloudy 84º 12% ESE 9 mph 76%
3am Partly Cloudy 84º 16% SE 9 mph 77%
4am Mostly Cloudy 84º 24% SE 10 mph 77%
5am Mostly Cloudy 83º 18% SE 10 mph 79%
6am Mostly Cloudy 83º 24% SE 9 mph 79%
7am Mostly Cloudy 83º 24% SE 9 mph 79%
8am Mostly Cloudy 84º 23% SE 9 mph 77%
9am Cloudy 85º 24% SE 11 mph 74%
10am Mostly Cloudy 86º 19% SE 12 mph 73%
11am Mostly Cloudy 87º 7% SE 10 mph 71%
12pm Mostly Cloudy 87º 7% SE 11 mph 69%
1pm Mostly Cloudy 88º 6% SE 10 mph 68%
2pm Mostly Cloudy 88º 15% SE 11 mph 67%
3pm Mostly Cloudy 89º 15% SE 10 mph 67%
4pm Mostly Cloudy 88º 15% SE 9 mph 67%
5pm Mostly Cloudy 88º 16% ESE 9 mph 66%
6pm Mostly Cloudy 87º 15% ESE 11 mph 70%
7pm Partly Cloudy 87º 8% ESE 9 mph 69%
8pm Mostly Cloudy 85º 6% ESE 9 mph 74%
9pm Partly Cloudy 85º 6% ESE 10 mph 76%
10pm Partly Cloudy 85º 6% ESE 10 mph 76%
11pm Mostly Cloudy 84º 6% ESE 12 mph 77%
Thu
Aug 27
Partly Cloudy
View Hourly
89º / 83º 24% SSE 10 mph 70%
12am Mostly Cloudy 84º 6% ESE 12 mph 76%
1am Mostly Cloudy 84º 6% SE 11 mph 77%
2am Partly Cloudy 84º 14% SE 11 mph 77%
3am Partly Cloudy 84º 10% SE 10 mph 76%
4am Mostly Cloudy 84º 14% SSE 11 mph 76%
5am Partly Cloudy 84º 16% SSE 11 mph 76%
6am Mostly Cloudy 84º 24% SE 10 mph 77%
7am Isolated Thunderstorms 83º 34% SE 9 mph 79%
8am Mostly Cloudy 84º 20% SSE 10 mph 76%
9am Mostly Cloudy 86º 14% SSE 10 mph 73%
10am Mostly Cloudy 87º 12% SSE 10 mph 70%
11am Partly Cloudy 87º 8% SSE 9 mph 70%
12pm Partly Cloudy 88º 14% SSE 10 mph 68%
1pm Mostly Cloudy 89º 9% SSE 10 mph 66%
Fri
Aug 28
Partly Cloudy 90º / 83º 22% SE 9 mph 68%
Sat
Aug 29
Partly Cloudy 89º / 83º 24% ESE 9 mph 70%
Sun
Aug 30
AM Thunderstorms 89º / 83º 49% ESE 10 mph 72%
Mon
Aug 31
AM Thunderstorms 89º / 83º 44% ESE 10 mph 72%
Tue
Sep 1
Scattered Thunderstorms 89º / 82º 48% ESE 9 mph 71%

Weather Radar for Big Coppitt Key, Waltz Key Basin, FL See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Big Coppitt Key, Waltz Key Basin, FL

Today
High : 90ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Tonight
Low : 83ºF
E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday
High : 91ºF
ESE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday Night
Low : 83ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
High : 90ºF
SE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
Low : 84ºF
ESE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday
High : 90ºF
ESE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday Night
Low : 84ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Saturday
High : 91ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

NOAA Buoy Data Near Big Coppitt Key, Waltz Key Basin, FL See Map

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    Wind Speed Forecast for Big Coppitt Key, Waltz Key Basin, FL

    TuesdayWednesdayThursday
    Wind Speed (MPH) 9999912111110111010
    6pm10pm2am6am10am2pm6pm10pm2am6am10am2pm
    MPH 9999912111110111010
    DIR SEESEESEESESESESEESEESESESESSE

    Current Weather Conditions In Big Coppitt Key, Waltz Key Basin, FL

    As Of: 16 minutes ago

    • 89ºF
    • 101ºF
    • 9mph
    • 0º (SE)
    • 9mph
    • Partly Cloudy
    • 10mi
    • 30.02"
    • 63%
    • 0ºF

    The weather right now in Big Coppitt Key, Waltz Key Basin, FL is Partly Cloudy. The current temperature is 89°F, and the expected high and low for today, Tuesday, August 25, 2026, are 91° high temperature and 82°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the Southeast. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 101° Fahrenheit. Expected precipitation is 4 percent, with current humidity at 63 percent, and air pressure at 30.02 in. Visibility is 10 nautical miles. There are no current weather alert(s).