Daily forecast
as
Last update: 00:37 local time / This forecast is based on the GFS model
Sunday, Sep 14
Wind
Weather
Waves
Tides
02h
4 kts
max 4 kts
28° C
1009 hpa
0.1 m
3 s
01:57
0.8
m
05h
4 kts
max 4 kts
1.53 mm
27° C
1009 hpa
0.1 m
4 s
0.6
m
08h
4 kts
max 4 kts
28° C
1010 hpa
0.1 m
4 s
0.2
m
11h
3 kts
max 3 kts
28° C
1011 hpa
0.1 m
6 s
10:01
0.0
m
14h
1 kts
max 1 kts
28° C
1011 hpa
0.1 m
7 s
0.3
m
17h
4 kts
max 4 kts
29° C
1010 hpa
0.1 m
8 s
16:45
0.4
m
20h
2 kts
max 2 kts
29° C
1011 hpa
0.1 m
7 s
20:22
0.2
m
23h
3 kts
max 3 kts
29° C
1012 hpa
0.1 m
7 s
0.4
m
Monday, Sep 15
Wind
Weather
Waves
Tides
02h
3 kts
max 3 kts
28° C
1011 hpa
0.1 m
6 s
03:16
0.8
m
05h
3 kts
max 3 kts
28° C
1011 hpa
0.1 m
6 s
0.7
m
08h
4 kts
max 4 kts
28° C
1013 hpa
0.1 m
6 s
0.4
m
11h
5 kts
max 5 kts
28° C
1014 hpa
0.1 m
6 s
11:28
0.1
m
14h
3 kts
max 4 kts
1.35 mm
29° C
1014 hpa
0.1 m
7 s
0.2
m
17h
4 kts
max 4 kts
0.43 mm
29° C
1013 hpa
0.1 m
7 s
18:15
0.4
m
20h
3 kts
max 3 kts
29° C
1013 hpa
0.1 m
7 s
0.3
m
23h
3 kts
max 4 kts
0.81 mm
29° C
1015 hpa
0.1 m
6 s
21:42
0.2
m
Tuesday, Sep 16
Wind
Weather
Waves
Tides
02h
6 kts
max 7 kts
3.24 mm
28° C
1014 hpa
0.1 m
4 s
0.6
m
05h
8 kts
max 8 kts
0.82 mm
29° C
1014 hpa
0.2 m
4 s
04:49
0.8
m
08h
10 kts
max 10 kts
29° C
1014 hpa
0.2 m
3 s
0.6
m
11h
11 kts
max 11 kts
29° C
1015 hpa
0.3 m
3 s
0.1
m
14h
12 kts
max 12 kts
29° C
1015 hpa
0.4 m
3 s
12:45
0.1
m
17h
15 kts
max 15 kts
0.52 mm
29° C
1013 hpa
0.5 m
3 s
0.3
m
20h
16 kts
max 16 kts
29° C
1014 hpa
0.6 m
3 s
19:13
0.4
m
23h
17 kts
max 18 kts
29° C
1015 hpa
0.7 m
4 s
23:14
0.2
m
Wednesday, Sep 17
Wind
Weather
Waves
Tides
02h
18 kts
max 18 kts
0.57 mm
29° C
1014 hpa
0.8 m
4 s
0.4
m
05h
16 kts
max 17 kts
3.59 mm
28° C
1012 hpa
0.7 m
4 s
06:12
0.8
m
08h
6 kts
max 7 kts
8.72 mm
26° C
1014 hpa
0.7 m
4 s
0.7
m
11h
15 kts
max 15 kts
2.25 mm
27° C
1014 hpa
0.7 m
4 s
0.3
m
14h
13 kts
max 13 kts
5.25 mm
27° C
1013 hpa
0.7 m
4 s
13:40
0.1
m
17h
19 kts
max 19 kts
4.55 mm
25° C
1012 hpa
0.7 m
4 s
0.3
m
20h
19 kts
max 20 kts
1.0 mm
26° C
1013 hpa
0.7 m
4 s
19:55
0.5
m
23h
20 kts
max 21 kts
0.42 mm
27° C
1013 hpa
0.9 m
4 s
0.3
m
Thursday, Sep 18
Wind
Weather
Waves
Tides
02h
19 kts
max 20 kts
0.57 mm
28° C
1011 hpa
0.8 m
4 s
00:34
0.2
m
05h
16 kts
max 19 kts
1.91 mm
28° C
1010 hpa
0.8 m
4 s
0.6
m
08h
15 kts
max 16 kts
2.98 mm
28° C
1010 hpa
0.7 m
4 s
07:18
0.8
m
11h
11 kts
max 13 kts
4.44 mm
29° C
1011 hpa
0.6 m
4 s
0.4
m
14h
7 kts
max 7 kts
6.13 mm
28° C
1011 hpa
0.6 m
4 s
14:20
0.1
m
17h
5 kts
max 5 kts
6.55 mm
28° C
1010 hpa
0.6 m
4 s
0.3
m
20h
9 kts
max 9 kts
1.28 mm
28° C
1011 hpa
0.7 m
4 s
20:28
0.6
m
23h
11 kts
max 11 kts
0.62 mm
28° C
1012 hpa
0.7 m
4 s
0.4
m
Friday, Sep 19
Wind
Weather
Waves
Tides
02h
10 kts
max 11 kts
29° C
1010 hpa
0.7 m
4 s
01:39
0.2
m
05h
8 kts
max 8 kts
29° C
1009 hpa
0.6 m
4 s
0.5
m
08h
6 kts
max 6 kts
2.07 mm
29° C
1011 hpa
0.5 m
4 s
08:11
0.8
m
11h
10 kts
max 10 kts
5.91 mm
28° C
1012 hpa
0.5 m
4 s
0.6
m
14h
6 kts
max 6 kts
28° C
1012 hpa
0.4 m
4 s
14:53
0.1
m
17h
5 kts
max 5 kts
28° C
1010 hpa
0.4 m
4 s
0.2
m
20h
5 kts
max 5 kts
29° C
1011 hpa
0.4 m
4 s
20:56
0.6
m
23h
6 kts
max 6 kts
29° C
1012 hpa
0.4 m
4 s
0.5
m
Saturday, Sep 20
Wind
Weather
Waves
Tides
02h
6 kts
max 7 kts
1.64 mm
28° C
1011 hpa
0.4 m
3 s
02:33
0.1
m
05h
3 kts
max 4 kts
3.09 mm
28° C
1011 hpa
0.3 m
3 s
0.4
m
08h
3 kts
max 4 kts
29° C
1012 hpa
0.3 m
3 s
08:56
0.8
m
11h
2 kts
max 3 kts
29° C
1013 hpa
0.3 m
3 s
0.6
m
14h
2 kts
max 2 kts
0.62 mm
29° C
1012 hpa
0.3 m
3 s
15:23
0.1
m
17h
3 kts
max 3 kts
29° C
1011 hpa
0.3 m
3 s
0.2
m
20h
1 kts
max 1 kts
29° C
1012 hpa
0.3 m
3 s
21:21
0.7
m
23h
2 kts
max 2 kts
2.53 mm
29° C
1013 hpa
0.3 m
3 s
0.6
m
Sunday, Sep 21
Wind
Weather
Waves
Tides
02h
3 kts
max 4 kts
29° C
1011 hpa
0.3 m
3 s
03:20
0.1
m
05h
4 kts
max 5 kts
29° C
1010 hpa
0.3 m
3 s
0.2
m
08h
5 kts
max 5 kts
29° C
1011 hpa
0.3 m
3 s
0.7
m
11h
5 kts
max 5 kts
29° C
1012 hpa
0.3 m
3 s
09:35
0.8
m
14h
6 kts
max 6 kts
29° C
1012 hpa
0.3 m
4 s
0.3
m
17h
5 kts
max 5 kts
29° C
1010 hpa
0.3 m
4 s
15:51
0.1
m
20h
6 kts
max 6 kts
29° C
1010 hpa
0.3 m
4 s
0.6
m
23h
3 kts
max 4 kts
29° C
1011 hpa
0.3 m
4 s
21:44
0.7
m
Monday, Sep 22
Wind
Weather
Waves
Tides
02h
3 kts
max 4 kts
28° C
1010 hpa
0.3 m
5 s
0.2
m
05h
3 kts
max 4 kts
28° C
1009 hpa
0.3 m
5 s
04:04
0.1
m
08h
4 kts
max 4 kts
1.64 mm
28° C
1010 hpa
0.3 m
6 s
0.6
m
11h
2 kts
max 2 kts
1.43 mm
28° C
1011 hpa
0.3 m
6 s
10:11
0.8
m
14h
7 kts
max 7 kts
4.95 mm
27° C
1011 hpa
0.3 m
6 s
0.3
m
17h
9 kts
max 9 kts
27° C
1009 hpa
0.3 m
6 s
16:19
0.1
m
20h
7 kts
max 8 kts
27° C
1011 hpa
0.3 m
6 s
0.6
m
23h
4 kts
max 5 kts
28° C
1011 hpa
0.3 m
6 s
22:07
0.8
m
Tuesday, Sep 23
Wind
Weather
Waves
Tides
02h
8 kts
max 8 kts
28° C
1011 hpa
0.3 m
6 s
0.3
m
05h
5 kts
max 6 kts
28° C
1011 hpa
0.3 m
6 s
04:45
0.1
m
08h
7 kts
max 8 kts
1.25 mm
28° C
1012 hpa
0.3 m
6 s
0.4
m
11h
1 kts
max 2 kts
8.67 mm
27° C
1014 hpa
0.3 m
6 s
10:46
0.7
m
14h
3 kts
max 5 kts
2.41 mm
28° C
1014 hpa
0.4 m
6 s
0.4
m
17h
2 kts
max 3 kts
28° C
1013 hpa
0.3 m
6 s
16:47
0.2
m
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Additional information
General
This is the wind, wave and weather forecast 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, fishing or paragliding.
Forecast
This forecast is based on the GFS model. Forecasts are available worldwide. The horizontal resolution is about 13 km. Forecasts are computed 4 times a day, at about 1:00 AM, 7:00 AM, 1:00 PM and 7:00 PM Eastern Daylight Time. Predictions are available in time steps of 3 hours for up to 10 days into the future. The arrows point in the direction in which the wind is blowing.Check the wind forecast 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 our wind forecast 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.