Daily Superforecast
asLast update: 01:38 local time
Wednesday, Jan 14
Wind
Weather
95°
E
00h
3 kts
max 4 kts
8° C
8
47%
917 hpa
66°
ENE
01h
2 kts
max 2 kts
9° C
9
46%
917 hpa
101°
E
02h
2 kts
max 2 kts
8° C
8
48%
917 hpa
111°
ESE
03h
2 kts
max 2 kts
8° C
8
50%
918 hpa
345°
NNW
04h
1 kts
max 2 kts
7° C
9
61%
918 hpa
346°
NNW
05h
2 kts
max 3 kts
5° C
6
82%
918 hpa
72°
ENE
06h
1 kts
max 1 kts
5° C
7
80%
919 hpa
119°
ESE
07h
2 kts
max 3 kts
6° C
6
71%
919 hpa
108°
ESE
08h
3 kts
max 3 kts
6° C
6
64%
918 hpa
58°
ENE
09h
1 kts
max 2 kts
6° C
7
74%
919 hpa
8°
N
10h
1 kts
max 2 kts
6° C
7
79%
919 hpa
291°
WNW
11h
0 kts
max 0 kts
6° C
9
88%
919 hpa
143°
SE
12h
2 kts
max 2 kts
7° C
8
89%
918 hpa
322°
NW
13h
2 kts
max 2 kts
8° C
8
91%
918 hpa
332°
NNW
14h
4 kts
max 6 kts
0.08 mm
7° C
6
96%
918 hpa
340°
NNW
15h
4 kts
max 8 kts
0.43 mm
6° C
5
96%
919 hpa
344°
NNW
16h
2 kts
max 5 kts
0.95 mm
5° C
5
96%
919 hpa
326°
NW
17h
3 kts
max 7 kts
0.94 mm
5° C
4
98%
919 hpa
345°
NNW
18h
3 kts
max 6 kts
0.79 mm
4° C
4
97%
920 hpa
342°
NNW
19h
1 kts
max 2 kts
0.11 mm
4° C
5
98%
920 hpa
245°
WSW
20h
1 kts
max 1 kts
0.6 mm
4° C
6
99%
920 hpa
323°
NW
21h
1 kts
max 1 kts
0.35 mm
4° C
5
98%
920 hpa
85°
E
22h
0 kts
max 1 kts
0.09 mm
4° C
6
98%
920 hpa
58°
ENE
23h
0 kts
max 1 kts
3° C
6
99%
920 hpa
Thursday, Jan 15
Wind
Weather
354°
N
00h
1 kts
max 2 kts
3° C
3
99%
920 hpa
72°
ENE
01h
1 kts
max 1 kts
3° C
4
98%
919 hpa
98°
E
02h
2 kts
max 2 kts
3° C
2
96%
919 hpa
76°
ENE
03h
1 kts
max 2 kts
2° C
3
95%
919 hpa
357°
N
04h
1 kts
max 1 kts
2° C
3
96%
920 hpa
347°
NNW
05h
2 kts
max 2 kts
0.32 mm
2° C
2
99%
920 hpa
104°
ESE
06h
2 kts
max 2 kts
0.18 mm
2° C
2
98%
920 hpa
90°
E
07h
2 kts
max 3 kts
2° C
1
91%
919 hpa
6°
N
08h
1 kts
max 2 kts
2° C
2
88%
919 hpa
106°
ESE
09h
2 kts
max 2 kts
2° C
2
88%
919 hpa
29°
NNE
10h
1 kts
max 1 kts
3° C
4
89%
918 hpa
354°
N
11h
2 kts
max 4 kts
4° C
3
92%
918 hpa
333°
NNW
12h
2 kts
max 3 kts
4° C
4
93%
917 hpa
311°
NW
13h
1 kts
max 2 kts
4° C
5
94%
917 hpa
326°
NW
14h
2 kts
max 3 kts
4° C
3
95%
917 hpa
343°
NNW
15h
1 kts
max 3 kts
3° C
4
96%
917 hpa
21°
NNE
16h
2 kts
max 3 kts
0.05 mm
3° C
3
95%
917 hpa
69°
ENE
17h
2 kts
max 3 kts
0.05 mm
3° C
3
91%
916 hpa
74°
ENE
18h
3 kts
max 4 kts
3° C
1
86%
916 hpa
89°
E
19h
6 kts
max 6 kts
2° C
0
84%
915 hpa
92°
E
20h
7 kts
max 8 kts
4° C
1
66%
915 hpa
93°
E
21h
8 kts
max 13 kts
5° C
2
56%
914 hpa
102°
ESE
22h
9 kts
max 15 kts
5° C
2
50%
914 hpa
102°
ESE
23h
9 kts
max 23 kts
5° C
3
45%
914 hpa
Friday, Jan 16
Wind
Weather
106°
ESE
00h
10 kts
max 25 kts
5° C
2
41%
914 hpa
106°
ESE
01h
11 kts
max 26 kts
5° C
2
39%
913 hpa
104°
ESE
02h
11 kts
max 25 kts
5° C
2
35%
914 hpa
102°
ESE
03h
11 kts
max 24 kts
5° C
1
32%
913 hpa
104°
ESE
04h
11 kts
max 25 kts
4° C
1
30%
913 hpa
104°
ESE
05h
12 kts
max 25 kts
4° C
0
29%
913 hpa
105°
ESE
06h
12 kts
max 24 kts
4° C
0
28%
913 hpa
108°
ESE
07h
13 kts
max 28 kts
3° C
-1
29%
913 hpa
109°
ESE
08h
14 kts
max 29 kts
3° C
-1
30%
913 hpa
111°
ESE
09h
15 kts
max 31 kts
4° C
-1
33%
913 hpa
111°
ESE
10h
14 kts
max 29 kts
5° C
1
35%
913 hpa
116°
ESE
11h
11 kts
max 22 kts
1° C
-3
56%
902 hpa
116°
ESE
12h
10 kts
max 21 kts
2° C
-1
54%
902 hpa
116°
ESE
13h
10 kts
max 19 kts
4° C
0
52%
902 hpa
116°
ESE
14h
10 kts
max 19 kts
3° C
0
52%
902 hpa
115°
ESE
15h
10 kts
max 19 kts
3° C
0
51%
901 hpa
115°
ESE
16h
10 kts
max 19 kts
3° C
-1
51%
901 hpa
115°
ESE
17h
10 kts
max 20 kts
2° C
-2
50%
901 hpa
115°
ESE
18h
11 kts
max 20 kts
1° C
-3
49%
901 hpa
115°
ESE
19h
12 kts
max 21 kts
0° C
-5
48%
901 hpa
115°
ESE
20h
12 kts
max 21 kts
0° C
-5
48%
901 hpa
116°
ESE
21h
12 kts
max 22 kts
0° C
-5
47%
902 hpa
116°
ESE
22h
12 kts
max 22 kts
0° C
-5
46%
902 hpa
116°
ESE
23h
13 kts
max 22 kts
0° C
-5
46%
901 hpa
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Additional information
General
This is the wind, wave and weather Superforecast for Mt. Si 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 Mt. Si 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 Mt. Si or to have a look at the wind direction tomorrow at Mt. Si.
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.