Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 am Tuesday 12 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
11.1° C
(Which is slightly cooler than normal)

How big are the waves at Cape Mendocino today?

The current surf forecast for Cape Mendocino at 3PM is: 1.1m 11s primary swell from a West-northwest direction and 0.7m 15s secondary swell from a South-southwest direction, 0.7m 6s secondary swell from a North-northwest direction (forecast issued at 10:00am May 12). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (12 May)4.5ft (1.3m)11s
Afternoon (12 May)3.5ft (1.1m)11s
Evening (12 May)3.5ft (1.1m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 15°C on Tue afternoon, min 9°C on Wed night). Winds increasing (light winds from the W on Tue night, fresh winds from the N by Thu afternoon).

Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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
8 PM
11 PM
2 AM
5 AM
Rating
(10 max)
1
1
0
2
1
2
1
2
2
1
0
2
2
3
2
2
0
0
0
0
0
0
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
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
1.7
W
13
1.8
WNW
12
1.8
WNW
12
1.7
WNW
12
1.9
WNW
11
1.8
WNW
11
1.7
WNW
11
1.7
WNW
10
1.7
WNW
10
1.6
WNW
10
1.6
WNW
10
1.8
NW
10
0.8
SSW
16
1.3
WNW
9
1.1
WNW
9
Wave Graph
Metric surfscale
Energy kJ
439
356
303
303
349
425
454
430
495
942
944
928
819
843
757
698
607
551
480
480
640
355
266
216
Wind (km/h)
15
N
15
NNW
20
NNW
15
NNW
10
NW
5
W
15
NW
10
NNW
10
N
15
NNW
20
NW
20
NNW
20
N
20
NNE
20
NNE
25
NNE
25
N
30
N
30
N
30
N
30
N
25
N
25
N
25
N
cross
cross
cross-on
cross
cross-on
on
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
cross
High Tide
8:13AM1.23m
8:44PM1.62m
9:24AM1.25m
9:16PM1.75m
10:29AM1.30m
9:50PM1.86m
Low Tide
2:25PM0.28m
3:33AM0.19m
3:09PM0.39m
4:17AM-0.06m
3:53PM0.50m
cloud
clear
part cloud
part cloud
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:23
8:24
8:25
Temp °C
12
14
15
15
14
13
13
11
12
13
14
13
12
10
9
9
10
13
13
13
11
11
11
10
9
11
12
12
12
12
11
9
10
10
10
9
8
6
5
4
5
7
7
7
5
6
7
5
Swell 1
Height (m)
Direction
Period (s)
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
1.7
W
13
1.8
WNW
12
1.8
WNW
12
1.7
WNW
12
1.9
WNW
11
1.8
WNW
11
1.7
WNW
11
1.7
WNW
10
1.7
WNW
10
1.6
WNW
10
1.6
WNW
10
0.8
SSW
16
1.4
WNW
9
1.3
WNW
9
1.1
WNW
9
Energy kJ
439
356
303
303
349
425
454
430
495
942
944
928
819
843
757
698
607
551
480
480
295
355
266
216
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
15
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
0.6
SSW
14
0.5
SSW
13
0.5
SSW
13
0.5
SSW
18
0.4
SSW
18
0.4
SSW
13
0.6
SSW
17
0.8
SSW
16
0.2
WNW
19
0.8
SSW
16
0.7
SSW
16
0.6
S
14
Energy kJ
207
191
186
242
242
242
242
184
229
136
123
166
121
102
102
178
121
70
216
298
36
295
266
153
Swell 3
Height (m)
Direction
Period (s)
0.2
S
18
0.2
S
18
0.2
S
17
0.2
S
14
0.5
NNW
6
0.4
NNW
6
0.3
W
15
0.6
SSW
14
0.6
SSW
14
0.2
SSW
19
0.3
SSW
19
0.2
S
13
0.4
SW
18
0.4
SW
18
0.4
SSW
18
0.4
SSW
13
0.4
SW
13
0.4
SSW
17
0.4
SW
13
0.2
S
12
0.2
S
13
0.2
WNW
18
0.4
NW
18
0.5
SSW
16
Energy kJ
25
25
23
16
18
10
38
140
138
37
69
13
81
81
104
68
44
97
44
11
14
31
81
147
Wind waves
Height (m)
Direction
Period (s)
0.9
NNW
6
0.8
NNW
6
0.8
NNW
6
0.6
NNW
6
0.5
NW
6
0.6
NNW
4
0.5
NNW
5
0.3
NNW
6
0.2
N
6
0.2
N
5
0.4
NNW
3
0.1
N
5
0.7
N
4
0.8
N
4
1
N
5
1.1
N
5
1.1
N
6
1.8
NW
10
1.1
N
6
1.2
NNW
6
1.3
NNW
6
Energy kJ
58
46
37
25
15
10
17
6
2
2
3
1
15
22
47
61
72
640
86
119
130
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
2
3
3
3
3
3
2
2
2
4
3
4
4
4
2
2
3
3
3
2
Distance (km)
45
294
437
74
40
21
54
21
40
152
151
151
149
54
54
54
54
262
334
436
334
80
54
59
Best forecast wave conditions in Humboldt County
Rating
(10 max)
2
2
2
3
3
3
3
4
3
4
4
2
3
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
2
3
3
3
3
3
3
2
3
3
4
4
4
4
4
3
2
4
4
4
4
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
5
5
  • 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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