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

Day	Sky	High / Low	Precip	Wind	Humidity
Mon Sep 14	Partly Cloudy Close Hourly	-º / 83º	10%	E 8 mph	71%
4pm	Partly Cloudy	87º	7%	ENE 2 mph	67%
5pm	Partly Cloudy	87º	2%	E 2 mph	68%
6pm	Partly Cloudy	87º	2%	ESE 2 mph	68%
7pm	Partly Cloudy	86º	2%	ENE 4 mph	68%
8pm	Partly Cloudy	85º	1%	E 4 mph	69%
9pm	Partly Cloudy	85º	2%	ENE 4 mph	70%
10pm	Partly Cloudy	85º	2%	E 6 mph	72%
11pm	Partly Cloudy	85º	3%	E 6 mph	72%
Tue Sep 15	Partly Cloudy View Hourly	89º / 82º	16%	E 12 mph	68%
12am	Partly Cloudy	85º	3%	E 6 mph	73%
1am	Partly Cloudy	84º	3%	E 6 mph	74%
2am	Partly Cloudy	84º	4%	E 8 mph	74%
3am	Mostly Cloudy	84º	4%	ESE 7 mph	74%
4am	Partly Cloudy	84º	4%	ESE 7 mph	74%
5am	Partly Cloudy	84º	4%	ESE 7 mph	74%
6am	Partly Cloudy	84º	6%	ESE 8 mph	74%
7am	Partly Cloudy	84º	16%	ESE 9 mph	76%
8am	Partly Cloudy	84º	14%	ESE 9 mph	74%
9am	Partly Cloudy	86º	8%	ESE 9 mph	71%
10am	Partly Cloudy	87º	8%	ESE 11 mph	70%
11am	Partly Cloudy	88º	6%	ESE 10 mph	68%
12pm	Partly Cloudy	89º	9%	ESE 9 mph	66%
1pm	Partly Cloudy	89º	9%	ESE 9 mph	65%
2pm	Partly Cloudy	89º	15%	ESE 9 mph	64%
3pm	Partly Cloudy	89º	15%	E 9 mph	65%
4pm	Mostly Cloudy	89º	15%	E 11 mph	64%
5pm	Mostly Cloudy	89º	15%	ENE 11 mph	64%
6pm	Mostly Cloudy	89º	15%	E 12 mph	65%
7pm	Mostly Cloudy	87º	4%	ENE 14 mph	67%
8pm	Mostly Cloudy	86º	9%	ENE 14 mph	70%
9pm	Mostly Cloudy	85º	9%	ENE 14 mph	72%
10pm	Few Showers	85º	32%	ENE 15 mph	74%
11pm	Showers	84º	39%	ENE 16 mph	77%
Wed Sep 16	AM Thunderstorms View Hourly	88º / 81º	46%	E 14 mph	71%
12am	Showers	84º	42%	ENE 15 mph	77%
1am	Mostly Cloudy	84º	22%	ENE 15 mph	78%
2am	Showers	84º	39%	E 15 mph	79%
3am	Mostly Cloudy	84º	16%	E 13 mph	78%
4am	Mostly Cloudy	84º	17%	E 13 mph	76%
5am	Partly Cloudy	84º	8%	E 13 mph	77%
6am	Partly Cloudy	84º	15%	E 13 mph	77%
7am	Scattered Thunderstorms	83º	41%	E 13 mph	79%
8am	Scattered Thunderstorms	84º	37%	E 13 mph	77%
9am	Mostly Cloudy	85º	23%	E 13 mph	72%
10am	Partly Cloudy	86º	24%	E 13 mph	71%
11am	Showers	87º	47%	E 14 mph	71%
12pm	Showers	87º	41%	E 13 mph	69%
1pm	Showers	88º	43%	E 13 mph	68%
2pm	Mostly Cloudy	87º	20%	E 13 mph	68%
3pm	Mostly Cloudy	87º	20%	E 14 mph	68%
Thu Sep 17	Scattered Thunderstorms	87º / 80º	53%	E 11 mph	73%
Fri Sep 18	Scattered Thunderstorms	87º / 81º	62%	SE 9 mph	72%
Sat Sep 19	Showers	87º / 81º	39%	SSE 7 mph	71%
Sun Sep 20	Scattered Thunderstorms	87º / 81º	43%	S 6 mph	72%
Mon Sep 21	Scattered Thunderstorms	87º / 81º	54%	SSE 7 mph	72%

Buoy Data
For Big Coppitt Key, Waltz Key Basin, FL
Wind Forecast
In Big Coppitt Key, Waltz Key Basin, FL
Radar
In Big Coppitt Key, Waltz Key Basin, FL
Marine Forecast
In Big Coppitt Key, Waltz Key Basin, FL

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

This Afternoon

High : 91ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Tonight

Low : 82ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

High : 91ºF
E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday Night

Low : 82ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Wednesday

High : 90ºF
ENE wind around 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Wednesday Night

Low : 81ºF
ENE wind around 10 kt. Showers likely and possibly a thunderstorm. Seas around 1 ft.

Thursday

High : 90ºF
E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

Low : 82ºF
ESE wind 10 to 15 kt. Showers and thunderstorms likely. Seas around 1 ft.

Friday

High : 89ºF
ESE wind around 10 kt. Showers and thunderstorms likely. Seas 1 ft or less.

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

As Of: 36 minutes ago

Temperature: 87ºF
Feels Like: 97ºF

Wind Speed: 2mph
Direction: 0º (ENE)
Gusts: 2mph

Cloud Cover: Partly Cloudy
Visibility: 10mi

Pressure: 29.99"
Humidity: 67%
Dew Point: 0ºF

The weather right now in Big Coppitt Key, Waltz Key Basin, FL is Partly Cloudy. The current temperature is 87°F, and the expected high and low for today, Monday, September 14, 2026, are -° high temperature and 83°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the East Northeast. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 97° Fahrenheit. Expected precipitation is 7 percent, with current humidity at 67 percent, and air pressure at 29.99 in. Visibility is 10 nautical miles. There are no current weather alert(s).