Daily Superforecast
asLast update: 01:37 local time
Sunday, Dec 22
Wind
Weather
179°
S
00h
6 kts
max 15 kts
0.17 mm
8° C
6
88%
1009 hpa
167°
SSE
01h
8 kts
max 18 kts
0.23 mm
8° C
5
89%
1010 hpa
155°
SSE
02h
6 kts
max 11 kts
0.06 mm
8° C
6
84%
1009 hpa
147°
SSE
03h
4 kts
max 12 kts
8° C
7
76%
1009 hpa
140°
SE
04h
4 kts
max 9 kts
9° C
8
70%
1008 hpa
122°
ESE
05h
4 kts
max 6 kts
9° C
9
65%
1008 hpa
106°
ESE
06h
4 kts
max 5 kts
9° C
8
64%
1007 hpa
112°
ESE
07h
4 kts
max 5 kts
9° C
8
64%
1005 hpa
127°
SE
08h
4 kts
max 7 kts
9° C
8
62%
1004 hpa
120°
ESE
09h
4 kts
max 12 kts
10° C
9
61%
1004 hpa
130°
SE
10h
5 kts
max 10 kts
10° C
9
61%
1003 hpa
129°
SE
11h
5 kts
max 14 kts
10° C
10
65%
1002 hpa
126°
SE
12h
7 kts
max 19 kts
0.35 mm
9° C
8
71%
1002 hpa
126°
SE
13h
10 kts
max 20 kts
0.12 mm
9° C
7
72%
1001 hpa
132°
SE
14h
10 kts
max 21 kts
0.78 mm
9° C
6
78%
1001 hpa
132°
SE
15h
10 kts
max 24 kts
0.67 mm
9° C
6
81%
1000 hpa
146°
SE
16h
9 kts
max 25 kts
0.62 mm
9° C
7
79%
1000 hpa
158°
SSE
17h
11 kts
max 22 kts
0.11 mm
10° C
10
73%
1000 hpa
168°
SSE
18h
10 kts
max 24 kts
0.16 mm
10° C
7
74%
1000 hpa
164°
SSE
19h
8 kts
max 15 kts
10° C
10
75%
1001 hpa
156°
SSE
20h
8 kts
max 12 kts
9° C
7
81%
1001 hpa
160°
SSE
21h
8 kts
max 14 kts
10° C
7
76%
1002 hpa
182°
S
22h
7 kts
max 22 kts
0.43 mm
9° C
7
86%
1003 hpa
198°
SSW
23h
9 kts
max 24 kts
0.24 mm
10° C
10
86%
1004 hpa
Monday, Dec 23
Wind
Weather
198°
SSW
00h
8 kts
max 24 kts
9° C
7
90%
1005 hpa
205°
SSW
01h
9 kts
max 22 kts
0.25 mm
9° C
7
92%
1005 hpa
207°
SSW
02h
10 kts
max 24 kts
0.52 mm
9° C
6
94%
1007 hpa
213°
SSW
03h
10 kts
max 25 kts
9° C
6
93%
1007 hpa
211°
SSW
04h
10 kts
max 23 kts
9° C
6
92%
1008 hpa
214°
SW
05h
11 kts
max 23 kts
9° C
6
89%
1009 hpa
212°
SSW
06h
11 kts
max 21 kts
9° C
6
89%
1010 hpa
206°
SSW
07h
9 kts
max 20 kts
8° C
6
91%
1010 hpa
197°
SSW
08h
7 kts
max 18 kts
8° C
6
91%
1010 hpa
191°
S
09h
6 kts
max 16 kts
8° C
7
91%
1011 hpa
180°
S
10h
4 kts
max 15 kts
9° C
8
88%
1010 hpa
191°
S
11h
4 kts
max 13 kts
9° C
8
85%
1010 hpa
163°
SSE
12h
4 kts
max 8 kts
10° C
9
82%
1010 hpa
118°
ESE
13h
4 kts
max 7 kts
10° C
10
79%
1009 hpa
74°
ENE
14h
5 kts
max 9 kts
10° C
10
80%
1008 hpa
37°
NE
15h
3 kts
max 9 kts
10° C
9
80%
1005 hpa
11°
N
16h
3 kts
max 5 kts
9° C
9
80%
1004 hpa
74°
ENE
17h
7 kts
max 24 kts
9° C
7
78%
1001 hpa
98°
E
18h
7 kts
max 26 kts
10° C
8
60%
998 hpa
145°
SE
19h
4 kts
max 32 kts
10° C
10
54%
998 hpa
138°
SE
20h
14 kts
max 37 kts
11° C
11
49%
997 hpa
125°
SE
21h
13 kts
max 35 kts
10° C
10
56%
996 hpa
150°
SSE
22h
16 kts
max 40 kts
0.1 mm
11° C
11
56%
994 hpa
158°
SSE
23h
13 kts
max 34 kts
0.47 mm
10° C
7
67%
995 hpa
Tuesday, Dec 24
Wind
Weather
153°
SSE
00h
13 kts
max 31 kts
0.15 mm
10° C
10
63%
995 hpa
154°
SSE
01h
12 kts
max 28 kts
0.46 mm
9° C
6
70%
996 hpa
169°
S
02h
10 kts
max 20 kts
9° C
7
69%
998 hpa
181°
S
03h
7 kts
max 25 kts
0.58 mm
10° C
8
79%
998 hpa
189°
S
04h
8 kts
max 26 kts
10° C
10
80%
999 hpa
197°
SSW
05h
10 kts
max 24 kts
9° C
7
79%
1000 hpa
208°
SSW
06h
10 kts
max 23 kts
0.22 mm
9° C
6
84%
1001 hpa
202°
SSW
07h
13 kts
max 25 kts
9° C
5
80%
1001 hpa
203°
SSW
08h
12 kts
max 24 kts
8° C
5
79%
1002 hpa
194°
SSW
09h
12 kts
max 25 kts
8° C
5
79%
1004 hpa
208°
SSW
10h
14 kts
max 23 kts
8° C
5
77%
1005 hpa
196°
SSW
11h
12 kts
max 23 kts
8° C
5
77%
1000 hpa
199°
SSW
12h
12 kts
max 24 kts
8° C
5
75%
1000 hpa
203°
SSW
13h
13 kts
max 24 kts
8° C
5
72%
1001 hpa
205°
SSW
14h
12 kts
max 24 kts
8° C
5
75%
1001 hpa
207°
SSW
15h
11 kts
max 24 kts
0.07 mm
8° C
5
78%
1002 hpa
209°
SSW
16h
10 kts
max 23 kts
0.1 mm
7° C
4
80%
1003 hpa
208°
SSW
17h
10 kts
max 22 kts
0.07 mm
7° C
4
83%
1003 hpa
206°
SSW
18h
9 kts
max 21 kts
7° C
4
85%
1003 hpa
205°
SSW
19h
8 kts
max 20 kts
7° C
4
88%
1004 hpa
204°
SSW
20h
8 kts
max 19 kts
7° C
4
88%
1004 hpa
203°
SSW
21h
8 kts
max 19 kts
6° C
4
88%
1005 hpa
202°
SSW
22h
8 kts
max 18 kts
6° C
3
88%
1006 hpa
199°
SSW
23h
8 kts
max 17 kts
6° C
3
88%
1006 hpa
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Additional information
General
This is the wind, wave and weather Superforecast for Mercer Island/Gallagher Hill in Washington, 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 Mercer Island/Gallagher Hill 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 Mercer Island/Gallagher Hill or to have a look at the wind direction tomorrow at Mercer Island/Gallagher Hill.
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.