Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Issued: 4 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
11.4° C

1.3°C colder than average for this time of year

Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Cape Mendocino surf forecast from 21 Jun 2026:

  • Most powerful swell: Saturday 27 Jun, 5AM (local time) - 6ft (1.9m), 11s period, WNW swell with 784 kJ wave energy.

Best Forecast Surf Conditions for Cape Mendocino this week:

The most powerful waves expected at Cape Mendocino in the next 16 days are 1.9m 11s and forecast to arrive on Saturday (Jun 27) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Sunday (Jun 21) at 11AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5AM (Sat 27th Jun)6ft (1.9m) 11s

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 16°C on Mon afternoon, min 11°C on Sat night). Winds decreasing (fresh winds from the NNW on Sun afternoon, light winds from the N by Mon night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Wed afternoon, min 11°C on Wed night). Winds increasing (light winds from the NW on Tue afternoon, fresh winds from the N by Thu morning).

Sat
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
1
0
0
1
0
0
1
1
1
1
0
0
0
0
0
1
1
0
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSW
15
1.1
SSW
16
0.9
SSW
16
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SW
16
0.7
SSW
16
0.8
SSW
16
1.8
NW
9
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
0.8
SSW
16
1
SSW
16
1
SSW
15
0.8
SSW
15
0.7
SSW
19
1.7
WNW
11
1.8
NW
10
Wave Graph
Metric surfscale
Energy kJ
632
620
425
325
330
264
173
268
229
318
481
356
356
380
295
475
422
248
325
687
650
Wind (km/h)
25
N
25
N
30
NNW
30
N
20
NNW
20
NNW
25
NNW
15
NNW
10
NW
15
NNW
20
N
30
N
30
N
30
N
30
N
30
N
20
NNE
20
NNW
20
NNW
20
N
35
N
Wind State
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross
cross-on
cross
cross
High Tide
5:17PM1.63m
4:36AM1.32m
6:01PM1.68m
5:58AM1.16m
6:43PM1.72m
7:32AM1.07m
7:23PM1.75m
9:01AM1.09m
8:02PM1.77m
10:15AM1.15m
8:40PM1.78m
11:12AM1.22m
9:17PM1.79m
11:59AM1.27m
Low Tide
11:33PM0.62m
11:18AM0.15m
00:46AM0.47m
12:08PM0.36m
1:52AM0.31m
1:00PM0.55m
2:49AM0.15m
1:53PM0.72m
3:39AM0.02m
2:46PM0.84m
4:22AM-0.09m
3:37PM0.92m
5:01AM-0.16m
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:47
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:51
8:51
8:51
8:51
8:51
8:51
8:51
8:51
 mm
Temp °C
15
13
15
15
13
15
16
14
15
16
15
16
17
14
14
15
13
17
17
15
14
Feels °C
11
8
10
10
8
12
13
10
14
15
12
11
12
9
8
10
9
14
14
13
10
Swell 1
Height (m)
Direction
Period (s)
1.2
SSW
15
1.1
SSW
16
0.9
SSW
16
0.9
SSW
14
2.1
NNW
8
2
NNW
8
0.7
SSW
14
2
NNW
8
1.9
NNW
8
1.8
NNW
8
1.8
NW
9
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
0.8
SSW
16
1
SSW
16
1
SSW
15
0.8
SSW
15
0.8
SSW
14
1.7
WNW
11
1.8
NW
10
Energy kJ
632
620
425
325
638
554
173
534
458
434
481
356
356
380
295
475
422
242
236
687
650
Swell 2
Height (m)
Direction
Period (s)
0.5
S
12
0.4
S
11
0.4
SSW
19
0.4
SSW
19
0.9
SSW
14
0.8
SSW
14
0.4
SSW
18
0.7
SW
16
0.7
SSW
16
0.8
SSW
16
1.4
N
9
0.7
SSW
14
0.8
SSW
15
0.5
SSW
13
0.4
SSW
13
0.3
WNW
10
0.3
WNW
10
0.6
SSW
19
0.7
SSW
19
1
SSW
17
0.8
SSW
18
Energy kJ
66
38
148
148
330
264
121
268
229
318
286
186
252
98
68
20
19
248
325
569
390
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
10
0.4
SW
20
0.3
S
11
0.3
S
11
0.6
SSW
18
0.6
SSW
18
0.2
SSE
14
0.6
SSW
13
0.6
SSW
13
0.6
SSW
20
0.8
SSW
15
0.2
SSE
12
0.2
SSE
12
0.2
SSE
11
0.3
WNW
10
0.2
SSW
21
0.2
WNW
7
0.3
WNW
10
0.3
WNW
9
0.1
S
10
0.5
SSW
14
Energy kJ
20
98
21
21
211
209
19
116
116
298
272
14
14
13
21
45
5
18
17
2
104
Wind waves
Height (m)
Direction
Period (s)
1.7
NNW
9
1.8
NNW
9
2.5
NNW
9
2.5
NNW
8
2
NNW
8
2.3
NNW
8
2.3
NNW
8
2.5
NNW
9
2.2
NNW
8
1.7
NNW
7
1.2
NNW
6
0.7
NNW
6
0.6
NW
6
0.2
N
6
Energy kJ
517
586
898
837
541
766
766
1050
597
327
110
32
30
3
Nearest Offshore or Glassy
Rating
(10 max)
1
4
2
3
4
2
3
2
2
3
4
3
3
3
3
1
2
2
2
4
3
Distance (km)
861
40
334
54
40
151
51
21
83
51
40
219
294
45
262
437
40
83
128
54
326
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
3
4
3
3
2
3
4
3
2
2
4
Best forecast wave conditions in United States
Rating
(10 max)
2
4
3
3
4
2
3
3
3
3
4
3
3
3
3
2
3
2
2
4
3
Header Global
Rating
(10 max)
9
7
7
7
5
6
6
5
6
8
8
6
5
5
5
5
5
5
5
7
5
  • 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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