Daily Superforecast
asLast update: 23:37 local time
Sunday, Sep 21
Wind
Weather
Waves
Tides
43°
NE
03h
12 kts
max 15 kts
28° C
33
83%
1012 hpa
0.4 m
3 s
03:20
0.1 m
41°
NE
04h
12 kts
max 14 kts
28° C
33
84%
1012 hpa
0.4 m
3 s
0.1 m
32°
NNE
05h
11 kts
max 13 kts
28° C
33
87%
1012 hpa
0.4 m
3 s
0.2 m
24°
NNE
06h
11 kts
max 13 kts
27° C
32
91%
1012 hpa
0.4 m
3 s
0.4 m
34°
NE
07h
12 kts
max 13 kts
27° C
32
90%
1012 hpa
0.4 m
3 s
0.6 m
42°
NE
08h
13 kts
max 14 kts
28° C
32
91%
1012 hpa
0.4 m
3 s
0.7 m
17°
NNE
09h
9 kts
max 9 kts
28° C
33
91%
1013 hpa
0.3 m
3 s
0.8 m
11°
N
10h
9 kts
max 9 kts
27° C
32
92%
1013 hpa
0.3 m
3 s
09:35
0.8 m
14°
NNE
11h
8 kts
max 8 kts
28° C
33
90%
1013 hpa
0.3 m
3 s
0.7 m
21°
NNE
12h
7 kts
max 8 kts
28° C
33
89%
1013 hpa
0.2 m
3 s
0.6 m
39°
NE
13h
6 kts
max 9 kts
28° C
34
89%
1013 hpa
0.2 m
3 s
0.4 m
56°
NE
14h
7 kts
max 8 kts
28° C
34
86%
1012 hpa
0.2 m
3 s
0.3 m
96°
E
15h
7 kts
max 8 kts
29° C
35
77%
1012 hpa
0.2 m
3 s
0.2 m
94°
E
16h
7 kts
max 8 kts
29° C
35
76%
1011 hpa
0.2 m
3 s
15:51
0.1 m
96°
E
17h
8 kts
max 9 kts
29° C
35
77%
1010 hpa
0.2 m
3 s
0.2 m
69°
ENE
18h
10 kts
max 10 kts
29° C
35
78%
1011 hpa
0.2 m
3 s
0.3 m
68°
ENE
19h
10 kts
max 11 kts
29° C
35
78%
1011 hpa
0.2 m
3 s
0.5 m
61°
ENE
20h
12 kts
max 13 kts
29° C
35
78%
1012 hpa
0.2 m
3 s
0.6 m
85°
E
21h
8 kts
max 9 kts
28° C
34
84%
1012 hpa
0.2 m
3 s
0.7 m
84°
E
22h
9 kts
max 9 kts
28° C
34
84%
1012 hpa
0.2 m
3 s
21:44
0.7 m
72°
ENE
23h
9 kts
max 10 kts
28° C
34
85%
1013 hpa
0.2 m
3 s
0.7 m
Monday, Sep 22
Wind
Weather
Waves
Tides
64°
ENE
00h
9 kts
max 10 kts
28° C
34
85%
1012 hpa
0.2 m
3 s
0.6 m
66°
ENE
01h
10 kts
max 11 kts
28° C
34
84%
1011 hpa
0.2 m
3 s
0.4 m
66°
ENE
02h
13 kts
max 14 kts
28° C
34
82%
1012 hpa
0.2 m
3 s
0.2 m
64°
ENE
03h
13 kts
max 13 kts
28° C
33
82%
1011 hpa
0.2 m
3 s
0.1 m
63°
ENE
04h
14 kts
max 14 kts
28° C
33
82%
1011 hpa
0.2 m
3 s
04:04
0.1 m
62°
ENE
05h
13 kts
max 13 kts
28° C
33
88%
1010 hpa
0.2 m
3 s
0.1 m
77°
ENE
06h
11 kts
max 12 kts
28° C
32
87%
1010 hpa
0.2 m
3 s
0.3 m
92°
E
07h
11 kts
max 11 kts
28° C
32
89%
1011 hpa
0.2 m
4 s
0.4 m
114°
ESE
08h
10 kts
max 10 kts
27° C
31
87%
1011 hpa
0.2 m
4 s
0.6 m
126°
SE
09h
8 kts
max 8 kts
28° C
32
85%
1012 hpa
0.2 m
4 s
0.7 m
126°
SE
10h
6 kts
max 6 kts
28° C
32
81%
1012 hpa
0.1 m
4 s
10:11
0.8 m
106°
ESE
11h
5 kts
max 5 kts
28° C
32
77%
1013 hpa
0.1 m
4 s
0.7 m
76°
ENE
12h
5 kts
max 6 kts
28° C
32
82%
1013 hpa
0.1 m
4 s
0.6 m
75°
ENE
13h
6 kts
max 7 kts
28° C
33
88%
1012 hpa
0.1 m
4 s
0.5 m
80°
E
14h
7 kts
max 8 kts
28° C
33
89%
1012 hpa
0.1 m
4 s
0.3 m
79°
E
15h
7 kts
max 8 kts
28° C
33
88%
1012 hpa
0.1 m
4 s
0.2 m
78°
ENE
16h
9 kts
max 11 kts
28° C
34
86%
1011 hpa
0.2 m
4 s
16:19
0.1 m
107°
ESE
17h
13 kts
max 14 kts
26° C
26
95%
1011 hpa
0.2 m
4 s
0.2 m
110°
ESE
18h
8 kts
max 9 kts
27° C
27
80%
1010 hpa
0.2 m
4 s
0.3 m
98°
E
19h
7 kts
max 8 kts
27° C
31
78%
1011 hpa
0.2 m
4 s
0.4 m
82°
E
20h
9 kts
max 10 kts
28° C
32
86%
1011 hpa
0.2 m
4 s
0.6 m
67°
ENE
21h
9 kts
max 11 kts
28° C
33
89%
1012 hpa
0.2 m
4 s
0.7 m
60°
ENE
22h
11 kts
max 12 kts
28° C
33
88%
1012 hpa
0.2 m
4 s
22:07
0.8 m
66°
ENE
23h
10 kts
max 12 kts
28° C
33
85%
1012 hpa
0.2 m
4 s
0.7 m
Tuesday, Sep 23
Wind
Weather
Waves
Tides
68°
ENE
00h
10 kts
max 11 kts
28° C
33
90%
1012 hpa
0.3 m
4 s
0.6 m
73°
ENE
01h
10 kts
max 11 kts
28° C
34
90%
1011 hpa
0.3 m
3 s
0.5 m
84°
E
02h
11 kts
max 11 kts
0.11 mm
28° C
34
95%
1011 hpa
0.3 m
3 s
0.3 m
83°
E
03h
9 kts
max 10 kts
28° C
33
87%
1011 hpa
0.3 m
3 s
0.2 m
82°
E
04h
9 kts
max 9 kts
0.06 mm
28° C
34
92%
1012 hpa
0.3 m
4 s
0.1 m
84°
E
05h
8 kts
max 9 kts
28° C
33
87%
1011 hpa
0.3 m
4 s
04:45
0.1 m
97°
E
06h
8 kts
max 9 kts
28° C
34
91%
1012 hpa
0.3 m
4 s
0.2 m
90°
E
07h
6 kts
max 8 kts
28° C
33
87%
1012 hpa
0.3 m
4 s
0.3 m
116°
ESE
08h
5 kts
max 6 kts
0.05 mm
28° C
34
88%
1013 hpa
0.3 m
3 s
0.4 m
99°
E
09h
5 kts
max 5 kts
0.39 mm
27° C
32
94%
1013 hpa
0.3 m
4 s
0.6 m
152°
SSE
10h
5 kts
max 5 kts
0.4 mm
27° C
31
92%
1014 hpa
0.3 m
4 s
0.7 m
156°
SSE
11h
4 kts
max 5 kts
28° C
33
90%
1014 hpa
0.3 m
4 s
10:46
0.7 m
202°
SSW
12h
2 kts
max 4 kts
28° C
33
88%
1014 hpa
0.3 m
4 s
0.7 m
344°
NNW
13h
2 kts
max 3 kts
28° C
34
88%
1014 hpa
0.3 m
4 s
0.6 m
34°
NE
14h
4 kts
max 5 kts
28° C
34
88%
1013 hpa
0.3 m
4 s
0.4 m
51°
NE
15h
4 kts
max 5 kts
28° C
34
85%
1013 hpa
0.2 m
4 s
0.3 m
78°
ENE
16h
4 kts
max 5 kts
28° C
34
86%
1013 hpa
0.2 m
4 s
0.2 m
80°
E
17h
6 kts
max 6 kts
28° C
34
85%
1013 hpa
0.2 m
4 s
16:47
0.2 m
81°
E
18h
7 kts
max 8 kts
28° C
34
85%
1013 hpa
0.2 m
5 s
0.2 m
86°
E
19h
8 kts
max 8 kts
28° C
34
83%
1013 hpa
0.2 m
5 s
0.4 m
81°
E
20h
9 kts
max 9 kts
28° C
34
86%
1014 hpa
0.2 m
5 s
0.5 m
76°
ENE
21h
10 kts
max 10 kts
28° C
34
88%
1015 hpa
0.2 m
5 s
0.7 m
77°
ENE
22h
8 kts
max 9 kts
28° C
34
84%
1015 hpa
0.2 m
5 s
0.8 m
68°
ENE
23h
8 kts
max 8 kts
28° C
34
86%
1015 hpa
0.2 m
4 s
22:32
0.8 m
Wednesday, Sep 24
Wind
Weather
Waves
Tides
65°
ENE
00h
7 kts
max 8 kts
28° C
34
88%
1015 hpa
0.2 m
4 s
0.7 m
76°
ENE
01h
7 kts
max 8 kts
28° C
33
88%
1015 hpa
0.2 m
4 s
0.6 m
78°
ENE
02h
7 kts
max 7 kts
28° C
33
87%
1014 hpa
0.2 m
4 s
0.4 m
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Additional information
General
This is the wind, wave and weather Superforecast for Grassy Key in Florida, United States of America. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing or paragliding.
Superforecast
The Superforecast is based on the best high resolution weather prediction models. The Superforecast is available for Europe, North America, South Africa, Egypt and the Canary Islands. The horizontal resolution is 5 kilometers. The Superforecast is updated 4 times per day. Predictions are available in time steps of 1 hour for up to 3 days into the future. Forecast and Superforecast are based on different physical models and therefore may cause divergent predictions. Due to its higher horizontal resolution the Superforecast tends to be more accurate, especially for locations with a complex topography and local thermal effects. The arrows point in the direction in which the wind is blowing.Check the Superforecast for Grassy Key when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in United States of America. Or use the Superforecast to find the wind speed today in Grassy Key or to have a look at the wind direction tomorrow at Grassy Key.
Statistics
For statistical and historical real weather data see the wind and weather statistics for this location.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.