Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 10 am Tuesday 26 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
9.1° C
(Which is 3.2°C colder than average for this time of year)

Best Forecast Surf Conditions for Cape Mendocino this week:

The surf forecast for Cape Mendocino over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 26) at 8PM. The primary swell is predicted to be 4.5m and 13s period with a secondary swell of 0.9m and 16s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Cape Mendocino in the next 16 days are 4.5m 13s and forecast to arrive on Tuesday (May 26) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Wednesday (May 27) at 8AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 26th May)15ft (4.5m) 13s
Best Surf 8PM (Tue 26th May)15ft (4.5m) 13s
Most Powerful 8PM (Tue 26th May)15ft (4.5m) 13s

Table - best surf conditions forecast for Cape Mendocino over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 11°C on Tue night). Winds decreasing (fresh winds from the N on Tue night, calm by Wed night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 13°C on Fri morning, min 8°C on Sun night). Mainly fresh winds.

Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
0
0
!
!
!
4
4
3
2
2
1
0
0
0
0
1
2
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
NW
14
4.5
NW
14
4
NW
12
4
NW
11
4
NW
10
3
NW
10
1.8
WNW
18
2.1
WNW
16
2.1
WNW
16
2.3
WNW
14
2
WNW
14
1.6
WNW
13
1.3
WNW
12
1.3
WNW
12
1.2
WNW
11
0.5
SSW
21
2.5
NW
8
0.8
SSW
20
1
SSW
18
0.9
SSW
18
1.1
SSW
18
Wave Graph
Metric surfscale
Energy kJ
6568
6793
5165
3241
3063
1953
2070
2209
2200
2118
1534
824
508
429
329
260
844
485
696
497
751
Wind (km/h)
15
NNW
30
NNW
35
N
35
N
25
N
5
ENE
10
WSW
10
W
10
NNW
20
N
20
N
20
N
30
NNW
30
N
30
N
35
N
30
N
20
N
25
NNW
25
N
15
N
cross-on
cross-on
cross
cross
cross
glassy
cross-on
on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-off
High Tide
8:59AM1.16m
8:52PM1.74m
10:08AM1.18m
9:24PM1.76m
11:08AM1.21m
9:54PM1.77m
12:00PM1.24m
10:24PM1.76m
12:47PM1.26m
10:55PM1.75m
1:30PM1.27m
11:28PM1.73m
2:11PM1.27m
00:03AM1.70m
Low Tide
2:37PM0.45m
4:01AM0.04m
3:21PM0.60m
4:42AM-0.09m
4:03PM0.72m
5:19AM-0.19m
4:44PM0.82m
5:53AM-0.24m
5:23PM0.89m
6:27AM-0.27m
6:02PM0.94m
7:01AM-0.27m
6:40PM0.98m
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:50
5:50
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:36
8:37
8:37
8:38
8:39
8:39
8:40
Temp °C
12
13
11
12
14
12
13
14
12
13
13
12
11
11
11
11
12
10
11
12
11
9
9
6
5
8
9
11
12
11
9
9
8
5
5
5
4
5
4
6
7
7
Swell 1
Height (m)
Direction
Period (s)
4
NW
14
4.5
NW
14
0.9
SSW
16
0.8
SSW
15
4
NW
10
3
NW
10
2.4
NW
9
2.1
WNW
16
2.1
WNW
16
2.3
WNW
14
2
WNW
14
1.6
WNW
13
1.3
WNW
12
1.3
WNW
12
1.2
WNW
11
0.5
SSW
21
0.8
SSW
20
1.5
WNW
10
1.4
WNW
10
0.9
SSW
18
1.1
SSW
18
Energy kJ
6568
6793
348
242
3063
1953
973
2209
2200
2118
1534
824
508
429
329
260
455
457
356
497
751
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
16
1.6
WNW
12
0.1
W
25
0.6
SSW
14
1.3
WNW
20
1.8
WNW
18
2.1
NW
9
1.6
NW
8
0.5
SSW
14
0.5
SSW
14
0.5
SSW
14
0.5
SSW
14
0.5
SSW
14
0.4
SSW
13
0.4
SSW
18
0.4
SW
16
0.8
SSW
20
1
SSW
18
0.9
WNW
10
0.8
WNW
9
Energy kJ
424
348
718
12
163
1195
2070
660
338
105
110
115
105
105
70
124
67
485
696
161
103
Swell 3
Height (m)
Direction
Period (s)
0.2
S
10
0.9
SSW
16
0.1
W
25
0.4
NW
23
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.7
NW
10
0.1
S
21
0.1
S
26
0.2
SSW
19
0.2
SSW
24
0.4
SSW
22
0.4
SSW
13
0.3
SSW
13
0.5
SSW
16
0.2
SSW
12
0.5
SSW
15
0.1
S
13
Energy kJ
8
348
12
140
163
158
154
106
9
13
37
54
188
55
32
153
14
126
3
Wind waves
Height (m)
Direction
Period (s)
4
NW
12
4
NW
11
0.9
NNW
8
1.1
NNW
8
1.8
NNW
8
2.1
NNW
8
2.1
NNW
8
2.3
NNW
8
2.5
NW
8
2.5
NW
8
1.9
NNW
8
1.4
NNW
8
1.6
NNW
8
1.3
NNW
7
Energy kJ
5165
3241
125
128
423
593
555
672
981
844
471
232
285
172
Nearest Offshore or Glassy
Rating
(10 max)
7
3
5
3
4
5
4
4
4
2
1
4
2
1
3
3
2
3
2
2
3
Distance (km)
75
872
134
334
54
41
86
51
21
334
438
54
151
439
54
334
438
45
151
149
51
Best forecast wave conditions in Humboldt County
Rating
(10 max)
7
4
5
4
4
4
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
7
3
5
4
4
5
5
4
4
4
2
4
3
2
4
3
2
4
3
3
4
Header Global
Rating
(10 max)
6
7
9
6
9
9
6
5
5
5
5
4
7
7
6
4
4
5
4
4
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Cape Mendocino Surf forecast

The above surf forecast table for Cape Mendocino provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cape Mendocino can be found by selecting the local surf guide option on the grey menu. Our Cape Mendocino surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cape Mendocino) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Cape Mendocino may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Cape Mendocino is 47 km (29 miles) from Eureka. If you plan a vacation in Humboldt County, look for hotels and other accommodation in Eureka. Eureka has rooms for a wide range of budgets as well as car hire and transport links.

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