Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 pm Sunday 10 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Mendocino sea temperature is
11.2° C
(Which is slightly cooler than normal)

How big are the waves at Cape Mendocino today?

The current surf forecast for Cape Mendocino at 5AM is: 1.4m 11s primary swell from a West-northwest direction and 0.7m 15s secondary swell from a Southwest direction (forecast issued at 10:00pm May 10). An open ocean swell of 1.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (11 May)5ft (1.5m)11s
Afternoon (11 May)5ft (1.5m)11s
Evening (11 May)5ft (1.5m)11s

Table - waves today at Cape Mendocino. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue night. Very mild (max 15°C on Mon morning, min 10°C on Sun night). Wind will be generally light.

Sun
10
Monday
11
Tuesday
12
Wednesday
13
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
Rating
(10 max)
1
2
0
1
1
1
1
1
1
1
1
2
2
1
0
0
3
3
2
2
3
3
2
3
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
WNW
11
1.2
WNW
11
1.4
WNW
11
1.4
WNW
11
1.4
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.4
WNW
11
1.4
WNW
11
1.2
WNW
11
1.1
WNW
11
1.1
WNW
11
1.1
WNW
12
1.2
WNW
12
1.3
WNW
11
1.3
WNW
11
1.4
WNW
11
1.8
W
13
1.8
WNW
12
1.8
W
12
Wave Graph
Metric surfscale
Energy kJ
370
383
463
455
447
503
494
494
494
494
503
447
439
356
303
303
349
418
454
430
495
1070
944
925
Wind (km/h)
25
N
25
N
25
N
25
N
20
N
20
NNW
25
NNW
25
NNW
20
N
20
N
15
N
15
N
15
N
15
NNW
15
NNW
15
NNW
10
NNE
5
NE
10
SSW
10
WNW
0
WSW
10
WSW
10
W
10
NW
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross
on
glassy
cross-on
on
cross-on
High Tide
7:43PM1.40m
6:57AM1.23m
8:14PM1.51m
8:13AM1.23m
8:44PM1.62m
9:24AM1.25m
Low Tide
1:59AM0.67m
1:39PM0.19m
2:48AM0.45m
2:25PM0.28m
3:33AM0.19m
3:09PM0.39m
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
mod rain
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:22
8:22
8:23
7
5
Temp °C
11
10
10
10
12
15
15
15
13
11
11
11
12
15
15
15
13
13
12
11
11
12
13
13
6
6
5
5
8
11
11
11
9
8
8
8
9
13
12
12
10
11
10
10
11
10
11
11
Swell 1
Height (m)
Direction
Period (s)
1.2
WNW
11
1.2
WNW
11
1.4
WNW
11
1.4
WNW
11
1.4
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.5
WNW
11
1.4
WNW
11
1.4
WNW
11
1.2
WNW
11
1.1
WNW
11
1.1
WNW
11
1.1
WNW
12
1.2
WNW
12
1.3
WNW
11
1.3
WNW
11
1.4
WNW
11
1.8
W
13
1.8
WNW
12
1.8
W
12
Energy kJ
370
383
463
455
447
503
494
494
494
494
503
447
439
356
303
303
349
418
454
430
495
1070
944
925
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
18
0.6
SSW
18
0.6
SSW
18
0.7
SW
15
0.8
SSW
16
0.7
SW
16
0.7
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.9
NNW
6
0.7
SSW
15
0.7
SSW
14
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.7
W
14
0.8
W
13
0.6
SSW
14
0.6
SSW
14
0.7
SSW
14
Energy kJ
249
246
243
226
318
255
226
291
326
326
322
318
58
191
186
242
242
242
242
184
229
136
123
163
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
14
0.6
SSW
15
0.6
SSW
15
0.5
S
18
0.1
SW
11
0.3
S
18
0.1
S
14
0.2
S
16
0.2
S
16
0.2
S
16
0.1
S
12
0.1
S
12
0.7
SSW
15
0.2
S
18
0.2
S
14
0.2
S
14
0.5
NNW
6
0.4
NNW
6
0.4
NNW
6
0.6
SSW
14
0.7
SSW
14
0.4
NNW
5
0.3
SSW
19
0.2
S
13
Energy kJ
103
142
142
160
5
57
4
19
20
20
3
3
207
25
16
16
18
10
10
140
183
9
71
13
Wind waves
Height (m)
Direction
Period (s)
1.4
NNW
6
1.3
NNW
6
1.5
NNW
6
1.6
NNW
7
1.6
NNW
7
1.4
NNW
7
1.3
NNW
6
1.3
NNW
6
1.1
NNW
6
1.1
NNW
6
1
NNW
6
0.9
NNW
6
0.8
NNW
6
0.8
NNW
6
0.7
NNW
6
0.6
WNW
4
0.8
WNW
4
0.4
NNW
5
Energy kJ
114
113
172
237
237
180
149
115
88
91
77
58
47
44
30
11
23
8
Nearest Offshore or Glassy
Rating
(10 max)
4
3
4
3
3
2
2
3
3
3
3
3
3
2
1
1
3
3
3
2
3
3
3
2
Distance (km)
109
59
40
40
51
151
151
54
51
41
42
40
40
152
151
151
0
0
21
68
0
80
114
151
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
4
3
3
3
3
3
3
3
3
3
3
3
2
3
4
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
2
3
3
3
3
3
4
3
3
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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