Daily forecast
as
Last update: 05:35 local time / This forecast is based on the GFS model
Tuesday, Dec 09
Wind
Weather
Waves
Tides
01h
9 kts
max 9 kts
1.68 mm
25° C
1013 hpa
0.2 m
3 s
0.7
m
04h
10 kts
max 10 kts
1.59 mm
24° C
1012 hpa
0.2 m
2 s
0.2
m
07h
16 kts
max 16 kts
2.09 mm
24° C
1013 hpa
0.6 m
3 s
06:48
0.0
m
10h
17 kts
max 17 kts
1.0 mm
23° C
1015 hpa
0.9 m
4 s
0.2
m
13h
16 kts
max 16 kts
25° C
1013 hpa
0.9 m
4 s
13:03
0.4
m
16h
13 kts
max 13 kts
0.73 mm
25° C
1012 hpa
0.8 m
4 s
0.2
m
19h
12 kts
max 12 kts
0.96 mm
25° C
1013 hpa
0.8 m
4 s
18:01
0.1
m
22h
13 kts
max 13 kts
0.87 mm
24° C
1014 hpa
0.8 m
4 s
0.5
m
Wednesday, Dec 10
Wind
Weather
Waves
Tides
01h
11 kts
max 11 kts
24° C
1013 hpa
0.6 m
4 s
00:21
0.7
m
04h
6 kts
max 6 kts
0.95 mm
24° C
1012 hpa
0.5 m
4 s
0.4
m
07h
5 kts
max 5 kts
0.68 mm
24° C
1013 hpa
0.5 m
3 s
07:39
0.0
m
10h
6 kts
max 6 kts
24° C
1015 hpa
0.4 m
3 s
0.2
m
13h
5 kts
max 5 kts
24° C
1013 hpa
0.3 m
3 s
13:54
0.5
m
16h
10 kts
max 10 kts
23° C
1012 hpa
0.3 m
3 s
0.4
m
19h
10 kts
max 10 kts
23° C
1014 hpa
0.4 m
3 s
19:18
0.1
m
22h
12 kts
max 12 kts
23° C
1015 hpa
0.5 m
3 s
0.3
m
Thursday, Dec 11
Wind
Weather
Waves
Tides
01h
13 kts
max 13 kts
22° C
1014 hpa
0.5 m
3 s
01:29
0.6
m
04h
13 kts
max 13 kts
22° C
1014 hpa
0.5 m
3 s
0.5
m
07h
13 kts
max 13 kts
21° C
1016 hpa
0.5 m
3 s
08:27
0.1
m
10h
14 kts
max 14 kts
20° C
1018 hpa
0.5 m
3 s
0.2
m
13h
12 kts
max 13 kts
21° C
1016 hpa
0.4 m
3 s
0.4
m
16h
5 kts
max 6 kts
22° C
1015 hpa
0.3 m
3 s
14:45
0.5
m
19h
6 kts
max 6 kts
23° C
1017 hpa
0.3 m
3 s
0.2
m
22h
8 kts
max 8 kts
22° C
1018 hpa
0.4 m
3 s
20:43
0.1
m
Friday, Dec 12
Wind
Weather
Waves
Tides
01h
9 kts
max 9 kts
23° C
1017 hpa
0.4 m
3 s
0.5
m
04h
8 kts
max 9 kts
23° C
1016 hpa
0.4 m
3 s
02:46
0.5
m
07h
12 kts
max 12 kts
23° C
1017 hpa
0.5 m
3 s
0.2
m
10h
12 kts
max 13 kts
23° C
1019 hpa
0.5 m
3 s
09:14
0.1
m
13h
13 kts
max 13 kts
24° C
1017 hpa
0.6 m
4 s
0.4
m
16h
12 kts
max 12 kts
24° C
1016 hpa
0.6 m
4 s
15:32
0.6
m
19h
12 kts
max 12 kts
24° C
1017 hpa
0.6 m
4 s
0.3
m
22h
11 kts
max 11 kts
24° C
1018 hpa
0.6 m
4 s
22:05
0.1
m
Saturday, Dec 13
Wind
Weather
Waves
Tides
01h
9 kts
max 10 kts
24° C
1017 hpa
0.6 m
4 s
0.3
m
04h
10 kts
max 10 kts
24° C
1017 hpa
0.6 m
4 s
04:08
0.5
m
07h
13 kts
max 13 kts
24° C
1017 hpa
0.6 m
4 s
0.3
m
10h
15 kts
max 15 kts
24° C
1018 hpa
0.6 m
4 s
09:58
0.1
m
13h
14 kts
max 14 kts
24° C
1016 hpa
0.6 m
4 s
0.4
m
16h
12 kts
max 12 kts
25° C
1016 hpa
0.7 m
4 s
16:15
0.6
m
19h
13 kts
max 13 kts
25° C
1017 hpa
0.7 m
4 s
0.4
m
22h
11 kts
max 11 kts
25° C
1017 hpa
0.7 m
4 s
23:16
0.1
m
Sunday, Dec 14
Wind
Weather
Waves
Tides
01h
11 kts
max 11 kts
25° C
1016 hpa
0.7 m
4 s
0.2
m
04h
12 kts
max 12 kts
25° C
1015 hpa
0.7 m
4 s
05:25
0.4
m
07h
14 kts
max 14 kts
4.18 mm
25° C
1016 hpa
0.7 m
4 s
0.4
m
10h
11 kts
max 11 kts
3.09 mm
24° C
1018 hpa
0.7 m
4 s
10:41
0.1
m
13h
9 kts
max 10 kts
4.56 mm
24° C
1016 hpa
0.7 m
4 s
0.3
m
16h
11 kts
max 14 kts
25° C
1015 hpa
0.7 m
4 s
16:55
0.6
m
19h
9 kts
max 10 kts
25° C
1016 hpa
0.8 m
4 s
0.5
m
22h
15 kts
max 15 kts
0.42 mm
25° C
1017 hpa
0.9 m
4 s
0.2
m
Monday, Dec 15
Wind
Weather
Waves
Tides
01h
18 kts
max 19 kts
24° C
1016 hpa
0.9 m
4 s
00:14
0.0
m
04h
19 kts
max 20 kts
24° C
1016 hpa
0.9 m
4 s
0.3
m
07h
20 kts
max 22 kts
23° C
1017 hpa
1.0 m
4 s
06:28
0.4
m
10h
19 kts
max 21 kts
23° C
1019 hpa
1.0 m
4 s
11:22
0.1
m
13h
17 kts
max 18 kts
25° C
1018 hpa
1.0 m
4 s
0.2
m
16h
16 kts
max 16 kts
25° C
1017 hpa
1.0 m
4 s
0.6
m
19h
17 kts
max 17 kts
24° C
1018 hpa
1.1 m
5 s
17:32
0.6
m
22h
17 kts
max 18 kts
23° C
1019 hpa
1.1 m
5 s
0.2
m
Tuesday, Dec 16
Wind
Weather
Waves
Tides
01h
15 kts
max 17 kts
0.68 mm
24° C
1018 hpa
1.1 m
5 s
01:02
0.0
m
04h
19 kts
max 20 kts
0.87 mm
24° C
1018 hpa
1.0 m
5 s
0.2
m
07h
22 kts
max 24 kts
1.41 mm
24° C
1018 hpa
1.0 m
5 s
07:17
0.4
m
10h
24 kts
max 25 kts
1.99 mm
24° C
1020 hpa
1.0 m
5 s
0.2
m
13h
26 kts
max 27 kts
0.86 mm
24° C
1018 hpa
1.0 m
5 s
12:02
0.1
m
16h
25 kts
max 26 kts
0.59 mm
24° C
1017 hpa
1.0 m
5 s
0.5
m
19h
27 kts
max 27 kts
23° C
1019 hpa
1.0 m
5 s
18:10
0.7
m
22h
24 kts
max 25 kts
24° C
1019 hpa
1.0 m
5 s
0.3
m
Wednesday, Dec 17
Wind
Weather
Waves
Tides
01h
23 kts
max 23 kts
24° C
1018 hpa
1.0 m
5 s
01:45
0.0
m
04h
21 kts
max 22 kts
24° C
1017 hpa
1.0 m
5 s
0.1
m
07h
20 kts
max 21 kts
24° C
1017 hpa
1.0 m
5 s
07:58
0.4
m
10h
22 kts
max 23 kts
24° C
1018 hpa
1.0 m
5 s
0.3
m
13h
23 kts
max 24 kts
25° C
1016 hpa
1.0 m
5 s
12:40
0.1
m
16h
23 kts
max 25 kts
25° C
1015 hpa
1.0 m
5 s
0.4
m
19h
23 kts
max 27 kts
1.2 mm
25° C
1016 hpa
1.0 m
5 s
18:47
0.7
m
22h
23 kts
max 28 kts
2.5 mm
25° C
1017 hpa
1.0 m
5 s
0.4
m
Thursday, Dec 18
Wind
Weather
Waves
Tides
01h
21 kts
max 25 kts
1.44 mm
25° C
1016 hpa
1.0 m
5 s
02:24
0.0
m
04h
20 kts
max 23 kts
2.24 mm
25° C
1014 hpa
0.9 m
5 s
0.0
m
07h
18 kts
max 22 kts
1.31 mm
26° C
1015 hpa
0.9 m
5 s
0.3
m
10h
18 kts
max 21 kts
0.94 mm
26° C
1016 hpa
0.8 m
5 s
08:34
0.4
m
13h
16 kts
max 19 kts
0.83 mm
26° C
1015 hpa
0.8 m
5 s
13:17
0.1
m
16h
12 kts
max 15 kts
0.99 mm
26° C
1014 hpa
0.8 m
5 s
0.4
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 12:00 AM, 6:00 AM, 12:00 PM and 6:00 PM Eastern Standard 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.