Daily Superforecast
asLast update: 19:37 local time
Saturday, Dec 21
Wind
Weather
Waves
Tides
112°
ESE
00h
3 kts
max 5 kts
11° C
11
92%
1019 hpa
1.7 m
18 s
0.4 m
86°
E
01h
4 kts
max 6 kts
11° C
11
92%
1019 hpa
1.8 m
18 s
0.7 m
112°
ESE
02h
4 kts
max 7 kts
11° C
11
90%
1019 hpa
1.9 m
18 s
1.0 m
136°
SE
03h
3 kts
max 8 kts
11° C
11
92%
1019 hpa
2.0 m
18 s
1.3 m
135°
SE
04h
4 kts
max 11 kts
11° C
11
93%
1019 hpa
2.0 m
18 s
1.5 m
152°
SSE
05h
7 kts
max 13 kts
11° C
11
93%
1017 hpa
2.1 m
18 s
04:57
1.5 m
185°
S
06h
6 kts
max 16 kts
11° C
11
94%
1018 hpa
2.2 m
19 s
1.4 m
156°
SSE
07h
6 kts
max 20 kts
0.99 mm
11° C
11
95%
1018 hpa
2.3 m
19 s
1.3 m
157°
SSE
08h
12 kts
max 22 kts
0.28 mm
11° C
11
94%
1018 hpa
2.4 m
19 s
1.1 m
166°
SSE
09h
13 kts
max 19 kts
0.43 mm
11° C
11
94%
1018 hpa
2.5 m
19 s
1.0 m
188°
S
10h
7 kts
max 12 kts
1.17 mm
12° C
12
96%
1019 hpa
2.6 m
18 s
0.9 m
116°
ESE
11h
7 kts
max 8 kts
12° C
12
95%
1021 hpa
2.7 m
18 s
10:31
0.8 m
122°
ESE
12h
3 kts
max 8 kts
0.19 mm
12° C
12
95%
1021 hpa
2.7 m
18 s
0.9 m
354°
N
13h
2 kts
max 2 kts
1.09 mm
12° C
12
98%
1020 hpa
2.8 m
17 s
1.1 m
83°
E
14h
2 kts
max 4 kts
0.75 mm
12° C
12
99%
1019 hpa
3.0 m
17 s
1.2 m
115°
ESE
15h
4 kts
max 6 kts
0.15 mm
12° C
12
98%
1019 hpa
3.2 m
17 s
1.3 m
136°
SE
16h
4 kts
max 4 kts
0.05 mm
12° C
12
97%
1019 hpa
3.4 m
17 s
15:33
1.3 m
36°
NE
17h
4 kts
max 5 kts
0.06 mm
12° C
12
98%
1021 hpa
3.6 m
17 s
1.2 m
59°
ENE
18h
3 kts
max 4 kts
0.08 mm
12° C
12
98%
1020 hpa
3.9 m
17 s
1.0 m
94°
E
19h
3 kts
max 4 kts
0.08 mm
12° C
12
98%
1020 hpa
4.1 m
17 s
0.8 m
123°
ESE
20h
4 kts
max 5 kts
12° C
12
98%
1019 hpa
4.1 m
17 s
0.5 m
128°
SE
21h
3 kts
max 5 kts
12° C
12
98%
1020 hpa
4.2 m
17 s
0.3 m
110°
ESE
22h
4 kts
max 5 kts
0.07 mm
12° C
12
98%
1019 hpa
4.3 m
17 s
22:16
0.2 m
67°
ENE
23h
2 kts
max 3 kts
12° C
12
97%
1019 hpa
4.2 m
17 s
0.2 m
Sunday, Dec 22
Wind
Weather
Waves
Tides
353°
N
00h
4 kts
max 4 kts
0.06 mm
12° C
12
97%
1020 hpa
4.2 m
17 s
0.4 m
354°
N
01h
5 kts
max 5 kts
0.12 mm
11° C
11
97%
1020 hpa
4.2 m
17 s
0.6 m
0°
N
02h
5 kts
max 5 kts
0.09 mm
11° C
11
97%
1019 hpa
4.1 m
17 s
0.9 m
31°
NNE
03h
4 kts
max 4 kts
0.12 mm
11° C
11
98%
1019 hpa
4.0 m
17 s
1.2 m
67°
ENE
04h
2 kts
max 3 kts
12° C
12
98%
1019 hpa
3.9 m
17 s
1.4 m
77°
ENE
05h
1 kts
max 2 kts
12° C
12
97%
1019 hpa
3.8 m
17 s
1.5 m
75°
ENE
06h
2 kts
max 3 kts
0.09 mm
12° C
12
98%
1020 hpa
3.7 m
16 s
05:36
1.6 m
98°
E
07h
2 kts
max 5 kts
0.27 mm
12° C
12
98%
1020 hpa
3.6 m
16 s
1.4 m
119°
ESE
08h
2 kts
max 8 kts
0.05 mm
12° C
12
98%
1020 hpa
3.5 m
16 s
1.2 m
133°
SE
09h
2 kts
max 7 kts
12° C
12
98%
1020 hpa
3.4 m
16 s
1.0 m
130°
SE
10h
3 kts
max 5 kts
12° C
12
98%
1021 hpa
3.3 m
16 s
0.9 m
154°
SSE
11h
3 kts
max 3 kts
13° C
13
96%
1020 hpa
3.2 m
16 s
0.8 m
211°
SSW
12h
2 kts
max 2 kts
13° C
13
94%
1020 hpa
3.0 m
16 s
11:42
0.7 m
198°
SSW
13h
2 kts
max 2 kts
14° C
14
94%
1019 hpa
2.9 m
16 s
0.8 m
254°
WSW
14h
2 kts
max 3 kts
14° C
14
93%
1019 hpa
2.8 m
16 s
0.9 m
244°
WSW
15h
2 kts
max 3 kts
14° C
14
93%
1019 hpa
2.7 m
16 s
1.1 m
179°
S
16h
2 kts
max 3 kts
14° C
14
94%
1020 hpa
2.6 m
16 s
1.2 m
148°
SSE
17h
3 kts
max 7 kts
14° C
14
94%
1019 hpa
2.5 m
15 s
16:48
1.2 m
159°
SSE
18h
2 kts
max 4 kts
14° C
14
95%
1019 hpa
2.5 m
15 s
1.1 m
153°
SSE
19h
2 kts
max 4 kts
14° C
14
96%
1019 hpa
2.4 m
15 s
1.0 m
199°
SSW
20h
2 kts
max 7 kts
0.25 mm
14° C
14
98%
1020 hpa
2.3 m
15 s
0.8 m
182°
S
21h
7 kts
max 12 kts
0.48 mm
13° C
13
97%
1021 hpa
2.3 m
15 s
0.6 m
185°
S
22h
6 kts
max 10 kts
0.07 mm
14° C
14
96%
1020 hpa
2.3 m
15 s
0.4 m
186°
S
23h
5 kts
max 8 kts
0.22 mm
13° C
13
98%
1021 hpa
2.4 m
15 s
23:04
0.4 m
Monday, Dec 23
Wind
Weather
Waves
Tides
203°
SSW
00h
6 kts
max 11 kts
0.09 mm
13° C
13
98%
1021 hpa
2.4 m
15 s
0.4 m
186°
S
01h
6 kts
max 10 kts
0.13 mm
13° C
13
98%
1020 hpa
2.4 m
15 s
0.6 m
202°
SSW
02h
5 kts
max 8 kts
0.07 mm
13° C
13
98%
1020 hpa
2.5 m
16 s
0.8 m
208°
SSW
03h
3 kts
max 3 kts
0.07 mm
13° C
13
99%
1020 hpa
2.6 m
16 s
1.1 m
227°
SW
04h
2 kts
max 2 kts
0.12 mm
13° C
13
99%
1020 hpa
2.7 m
16 s
1.3 m
233°
SW
05h
1 kts
max 2 kts
0.39 mm
13° C
13
99%
1020 hpa
2.9 m
19 s
1.5 m
180°
S
06h
2 kts
max 2 kts
0.12 mm
13° C
13
99%
1020 hpa
3.1 m
21 s
06:12
1.6 m
136°
SE
07h
2 kts
max 2 kts
0.14 mm
13° C
13
99%
1020 hpa
3.3 m
23 s
1.6 m
128°
SE
08h
3 kts
max 3 kts
0.09 mm
13° C
13
99%
1020 hpa
3.5 m
23 s
1.4 m
139°
SE
09h
4 kts
max 4 kts
13° C
13
98%
1021 hpa
3.7 m
23 s
1.2 m
151°
SSE
10h
4 kts
max 6 kts
13° C
13
96%
1021 hpa
3.9 m
23 s
0.9 m
166°
SSE
11h
5 kts
max 6 kts
13° C
13
95%
1020 hpa
4.0 m
22 s
0.7 m
169°
S
12h
4 kts
max 4 kts
0.05 mm
14° C
14
94%
1019 hpa
4.1 m
22 s
0.6 m
201°
SSW
13h
3 kts
max 3 kts
14° C
14
94%
1019 hpa
4.2 m
21 s
12:47
0.6 m
226°
SW
14h
4 kts
max 4 kts
14° C
14
92%
1018 hpa
4.2 m
21 s
0.6 m
206°
SSW
15h
5 kts
max 9 kts
15° C
15
90%
1018 hpa
4.2 m
21 s
0.8 m
184°
S
16h
5 kts
max 14 kts
0.11 mm
15° C
15
91%
1018 hpa
4.2 m
21 s
0.9 m
184°
S
17h
6 kts
max 11 kts
14° C
14
94%
1018 hpa
4.0 m
20 s
1.0 m
203°
SSW
18h
8 kts
max 21 kts
0.05 mm
14° C
14
97%
1018 hpa
3.9 m
20 s
18:21
1.1 m
208°
SSW
19h
9 kts
max 25 kts
0.19 mm
14° C
14
96%
1018 hpa
3.8 m
19 s
1.1 m
185°
S
20h
8 kts
max 22 kts
14° C
14
94%
1018 hpa
3.7 m
19 s
1.0 m
180°
S
21h
9 kts
max 15 kts
14° C
14
95%
1017 hpa
3.6 m
19 s
0.8 m
180°
S
22h
10 kts
max 16 kts
13° C
13
96%
1017 hpa
3.5 m
19 s
0.7 m
180°
S
23h
10 kts
max 17 kts
0.29 mm
13° C
13
96%
1017 hpa
3.4 m
19 s
0.6 m
Nearby spots (within 25 km)
-
San Francis/Pier 452kmTide forecastWave forecast
-
North Point, Pier 41, San Francisco2kmTide forecastWave forecast
-
North Point, Pier 41, San Francisco Bay2kmTide forecastWave forecast
-
Marina Pier 392kmTide forecastWave forecast
-
Pier 17, San Francisco Bay, CA3kmWeather stationTide forecastWave forecastLive measurements
-
Chinatown3kmTide forecastWave forecast
-
Embarcadero/Pier 14kmWeather stationTide forecastWave forecastLive measurements
Find more spots like this
Look at our wind map to find more spots among our 160,000 spots.
Find spot or weather stationAlcatraz Island, San Francisco Bay popularity
Most popular spots in United States of America
Have a look at the top kitesurfing, windsurfing, sailing, surfing or fishing spots in United States of America
Most visited spots in United States of AmericaMost visited spots worldwide
Additional information
General
This is the wind, wave and weather Superforecast for Alcatraz Island, San Francisco Bay in California, 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 Alcatraz Island, San Francisco Bay 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 Alcatraz Island, San Francisco Bay or to have a look at the wind direction tomorrow at Alcatraz Island, San Francisco Bay.
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.