Daily Superforecast
asLast update: 20:37 local time
Sunday, Sep 14
Wind
Weather
Tides
135°
SE
00h
6 kts
max 6 kts
14° C
14
93%
1005 hpa
1.4 m
144°
SE
01h
7 kts
max 8 kts
13° C
13
93%
1004 hpa
0.9 m
172°
S
02h
6 kts
max 6 kts
13° C
13
92%
1004 hpa
0.4 m
174°
S
03h
3 kts
max 3 kts
13° C
13
91%
1004 hpa
-0.1 m
199°
SSW
04h
3 kts
max 3 kts
13° C
13
91%
1004 hpa
04:29
-0.3 m
178°
S
05h
2 kts
max 2 kts
0.28 mm
13° C
13
92%
1004 hpa
-0.3 m
167°
SSE
06h
4 kts
max 4 kts
13° C
13
96%
1004 hpa
-0.1 m
189°
S
07h
4 kts
max 4 kts
13° C
13
95%
1004 hpa
0.2 m
166°
SSE
08h
5 kts
max 5 kts
0.28 mm
13° C
13
96%
1004 hpa
0.6 m
152°
SSE
09h
6 kts
max 6 kts
13° C
13
95%
1005 hpa
1.1 m
155°
SSE
10h
8 kts
max 8 kts
13° C
13
96%
1005 hpa
1.5 m
170°
S
11h
6 kts
max 6 kts
13° C
13
94%
1006 hpa
1.8 m
194°
SSW
12h
5 kts
max 6 kts
15° C
15
92%
1006 hpa
2.0 m
214°
SW
13h
5 kts
max 5 kts
15° C
15
88%
1006 hpa
13:14
2.1 m
255°
WSW
14h
5 kts
max 6 kts
15° C
15
85%
1007 hpa
2.1 m
291°
WNW
15h
4 kts
max 5 kts
15° C
15
88%
1008 hpa
2.1 m
23°
NNE
16h
8 kts
max 9 kts
15° C
15
91%
1008 hpa
2.1 m
23°
NNE
17h
5 kts
max 5 kts
14° C
14
93%
1009 hpa
17:00
2.1 m
234°
SW
18h
4 kts
max 5 kts
15° C
15
87%
1009 hpa
2.1 m
220°
SW
19h
6 kts
max 7 kts
0.32 mm
15° C
15
85%
1010 hpa
2.1 m
232°
SW
20h
8 kts
max 11 kts
14° C
14
84%
1010 hpa
2.1 m
240°
WSW
21h
11 kts
max 13 kts
14° C
14
83%
1011 hpa
2.2 m
236°
SW
22h
11 kts
max 12 kts
13° C
13
87%
1012 hpa
21:32
2.2 m
241°
WSW
23h
9 kts
max 11 kts
13° C
13
89%
1012 hpa
2.0 m
Monday, Sep 15
Wind
Weather
Tides
245°
WSW
00h
9 kts
max 10 kts
13° C
13
89%
1013 hpa
1.8 m
242°
WSW
01h
8 kts
max 9 kts
13° C
13
89%
1013 hpa
1.4 m
242°
WSW
02h
7 kts
max 8 kts
13° C
13
89%
1014 hpa
0.9 m
234°
SW
03h
6 kts
max 7 kts
13° C
13
90%
1015 hpa
0.4 m
223°
SW
04h
5 kts
max 6 kts
13° C
13
91%
1015 hpa
0.0 m
221°
SW
05h
5 kts
max 5 kts
13° C
13
91%
1015 hpa
-0.2 m
222°
SW
06h
4 kts
max 5 kts
13° C
13
91%
1016 hpa
05:37
-0.3 m
214°
SW
07h
4 kts
max 4 kts
13° C
13
91%
1016 hpa
-0.1 m
212°
SSW
08h
3 kts
max 3 kts
13° C
13
90%
1016 hpa
0.2 m
189°
S
09h
2 kts
max 2 kts
13° C
13
90%
1016 hpa
0.6 m
211°
SSW
10h
3 kts
max 3 kts
13° C
13
90%
1017 hpa
1.0 m
256°
WSW
11h
1 kts
max 2 kts
13° C
13
91%
1018 hpa
1.4 m
122°
ESE
12h
0 kts
max 1 kts
13° C
13
90%
1018 hpa
1.8 m
51°
NE
13h
1 kts
max 1 kts
13° C
13
90%
1017 hpa
2.1 m
47°
NE
14h
2 kts
max 2 kts
13° C
13
90%
1017 hpa
2.2 m
25°
NNE
15h
2 kts
max 2 kts
13° C
13
91%
1017 hpa
14:31
2.2 m
9°
N
16h
3 kts
max 3 kts
13° C
13
93%
1016 hpa
2.2 m
349°
N
17h
2 kts
max 3 kts
13° C
13
94%
1015 hpa
2.2 m
359°
N
18h
2 kts
max 2 kts
14° C
14
93%
1015 hpa
2.1 m
11°
N
19h
1 kts
max 1 kts
14° C
14
91%
1015 hpa
19:07
2.1 m
7°
N
20h
1 kts
max 1 kts
14° C
14
91%
1015 hpa
2.1 m
5°
N
21h
2 kts
max 2 kts
14° C
14
91%
1015 hpa
2.1 m
25°
NNE
22h
1 kts
max 1 kts
14° C
14
91%
1015 hpa
2.0 m
295°
WNW
23h
2 kts
max 2 kts
14° C
14
92%
1015 hpa
22:37
2.0 m
Tuesday, Sep 16
Wind
Weather
Tides
288°
WNW
00h
3 kts
max 3 kts
13° C
13
92%
1015 hpa
1.9 m
324°
NW
01h
3 kts
max 4 kts
14° C
14
93%
1014 hpa
1.7 m
358°
N
02h
3 kts
max 4 kts
14° C
14
93%
1014 hpa
1.4 m
20°
NNE
03h
5 kts
max 10 kts
14° C
14
92%
1014 hpa
1.0 m
11°
N
04h
6 kts
max 12 kts
14° C
14
91%
1013 hpa
0.5 m
11°
N
05h
6 kts
max 9 kts
14° C
14
90%
1013 hpa
0.1 m
13°
NNE
06h
6 kts
max 8 kts
14° C
14
90%
1012 hpa
-0.1 m
12°
NNE
07h
6 kts
max 10 kts
14° C
14
93%
1013 hpa
06:49
-0.2 m
21°
NNE
08h
7 kts
max 9 kts
14° C
14
94%
1012 hpa
-0.1 m
25°
NNE
09h
7 kts
max 8 kts
14° C
14
94%
1012 hpa
0.2 m
24°
NNE
10h
7 kts
max 7 kts
14° C
14
92%
1012 hpa
0.5 m
24°
NNE
11h
7 kts
max 7 kts
15° C
15
90%
1012 hpa
0.9 m
29°
NNE
12h
7 kts
max 7 kts
15° C
15
88%
1012 hpa
1.4 m
32°
NNE
13h
7 kts
max 7 kts
15° C
15
86%
1011 hpa
1.8 m
40°
NE
14h
7 kts
max 7 kts
15° C
15
84%
1010 hpa
2.1 m
41°
NE
15h
6 kts
max 7 kts
16° C
16
83%
1010 hpa
15:24
2.3 m
25°
NNE
16h
5 kts
max 5 kts
16° C
16
80%
1009 hpa
2.3 m
22°
NNE
17h
4 kts
max 4 kts
17° C
17
74%
1009 hpa
2.2 m
46°
NE
18h
4 kts
max 4 kts
18° C
18
74%
1008 hpa
2.1 m
56°
NE
19h
6 kts
max 6 kts
16° C
16
78%
1008 hpa
2.0 m
54°
NE
20h
8 kts
max 8 kts
16° C
16
81%
1008 hpa
2.0 m
48°
NE
21h
7 kts
max 8 kts
15° C
15
85%
1008 hpa
20:50
2.0 m
39°
NE
22h
5 kts
max 6 kts
15° C
15
86%
1008 hpa
1.9 m
16°
NNE
23h
4 kts
max 5 kts
15° C
15
87%
1008 hpa
1.9 m
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Additional information
General
This is the wind, wave and weather Superforecast for Roche Harbor / San Juan Isl. 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 Roche Harbor / San Juan Isl. 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 Roche Harbor / San Juan Isl. or to have a look at the wind direction tomorrow at Roche Harbor / San Juan Isl..
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.