Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 4 pm Saturday 16 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
10.8° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Cape Mendocino today?

The current surf forecast for Cape Mendocino at 11PM is: 3.5m 13s primary swell from a Northwest direction and 0.6m 14s secondary swell from a South-southwest direction (forecast issued at 04:00pm May 16). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (16 May)--
Afternoon (16 May)10ft (3.0m)13s
Evening (16 May)11ft (3.5m)13s

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 14°C on Mon afternoon, min 9°C on Sun night). Winds decreasing (strong winds from the NNW on Sun afternoon, moderate winds from the N by Mon morning).

Sat
16
Sunday
17
Monday
18
Tue
19
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
8 AM
11 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
1
1
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)
3
NW
13
3
NW
13
3.5
NW
13
3.5
NW
13
3.5
NW
8
3.5
NW
8
3.5
NW
8
3.5
NW
8
3
NW
8
3.5
NW
9
1.4
WNW
11
1.3
WNW
11
1.7
WNW
10
1.7
WNW
11
0.9
WNW
11
2.5
NW
9
1.5
WNW
9
1.5
WNW
9
1
WNW
16
1.3
WNW
16
1.3
WNW
15
1.6
WNW
15
1.6
WNW
14
1.7
WNW
14
Wave Graph
Metric surfscale
Energy kJ
2699
3305
3759
3871
1860
1877
1717
1717
1435
1597
486
372
661
674
186
966
378
395
539
778
805
1087
996
1143
Wind (km/h)
40
NNW
45
NNW
40
N
45
N
45
N
45
N
45
N
45
N
45
NNW
40
N
35
N
30
N
30
N
30
N
25
N
30
N
35
N
35
N
30
N
25
N
30
N
30
N
30
N
30
N
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross
High Tide
12:28PM1.37m
11:09PM2.01m
1:26PM1.39m
11:54PM2.02m
2:23PM1.39m
00:44AM1.98m
Low Tide
5:24PM0.71m
6:34AM-0.58m
6:12PM0.79m
7:23AM-0.61m
7:05PM0.85m
8:16AM-0.57m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:27
8:28
8:29
8:30
Temp °C
12
12
10
10
10
10
11
11
12
12
12
10
10
9
11
13
14
13
12
11
10
10
11
14
4
3
1
1
1
1
2
1
2
3
5
4
4
3
6
7
8
6
5
5
4
4
5
8
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
14
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.5
SSW
14
0.5
S
14
0.5
S
14
0.5
S
14
0.4
SSW
14
1.4
WNW
11
1.3
WNW
11
1.7
WNW
10
1.7
WNW
11
0.9
WNW
11
0.4
NW
18
1.5
WNW
9
1.5
WNW
9
1
WNW
16
1.3
WNW
16
1.3
WNW
15
1.6
WNW
15
1.7
WNW
10
1.7
WNW
14
Energy kJ
158
169
167
165
165
120
107
107
104
66
486
372
661
674
186
82
378
395
539
778
805
1087
543
1143
Swell 2
Height (m)
Direction
Period (s)
0.3
S
16
0.1
SW
19
0.1
SW
19
0.1
S
20
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.4
SSW
14
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.5
WNW
18
0.8
WNW
16
0.3
S
16
0.6
WNW
12
0.9
WNW
11
1.2
WNW
10
1.6
WNW
14
1.1
NW
9
Energy kJ
46
15
15
7
13
13
13
12
12
62
60
60
59
59
58
178
343
46
90
223
251
996
203
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
19
0.1
S
20
0.1
S
20
0.1
S
19
0.1
S
18
0.1
SW
18
0.2
SSW
18
0.1
SW
18
0.2
SSW
18
0.2
WNW
19
0.3
SW
18
0.3
SSW
13
0.3
S
16
0.3
WNW
13
0.3
SW
17
0.4
SW
17
0.4
SW
17
0.3
SW
16
0.4
SW
16
Energy kJ
15
7
7
7
6
12
31
13
32
37
49
34
46
35
47
76
70
42
69
Wind waves
Height (m)
Direction
Period (s)
3
NW
13
3
NW
13
3.5
NW
13
3.5
NW
13
3.5
NW
8
3.5
NW
8
3.5
NW
8
3.5
NW
8
3
NW
8
3.5
NW
9
3
NNW
9
3
NNW
9
2.5
NNW
9
2.3
NNW
8
2.5
NNW
9
2.5
NW
9
2
NNW
8
2.1
NNW
8
3
NNW
9
3
NNW
9
3
NNW
9
2.5
NNW
9
2.2
NNW
8
2.2
NNW
8
Energy kJ
2699
3305
3759
3871
1860
1877
1717
1717
1435
1597
1567
1647
1000
737
926
966
527
563
1189
1385
1514
1097
644
612
Nearest Offshore or Glassy
Rating
(10 max)
4
1
4
5
4
4
2
4
4
4
5
3
3
3
4
3
2
2
2
4
4
4
4
4
Distance (km)
437
438
437
211
211
114
151
334
436
437
437
80
54
54
40
428
436
437
436
59
54
54
54
294
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
3
3
3
4
4
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
2
4
5
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
4
4
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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