Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Issued: 10 am 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 20 Jun 2026:

  • Best quality surf: Tuesday 23 Jun, 5AM (local time) - 2.5ft (0.7m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Saturday 27 Jun, 5PM (local time) - 6.5ft (2.0m), 10s period, NW swell with 753 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 23 Jun, 5AM (local time) - 2.5ft (0.7m), 16s period with SW swell.

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 (Jun 23) at 5AM. The primary swell is predicted to be 0.7m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cape Mendocino in the next 16 days are 2.0m 10s and forecast to arrive on Saturday (Jun 27) at 5PM. 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 8AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 23rd Jun)2.5ft (0.7m) 16s
Best Surf 5AM (Tue 23rd Jun)2.5ft (0.7m) 16s
Most Powerful 5PM (Sat 27th Jun)6.5ft (2.0m) 10s

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 10°C on Sat night). Winds decreasing (fresh winds from the NNW on Sun afternoon, light winds from the NNE by Mon night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Wed morning, min 11°C on Wed night). Winds increasing (light winds from the NW on Tue morning, fresh winds from the N by Thu morning).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
0
0
1
0
0
1
1
2
0
0
0
0
0
0
1
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)
0.9
SW
14
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
0.8
SSW
15
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
SSW
17
Wave Graph
Metric surfscale
Energy kJ
297
632
620
425
325
330
264
173
268
229
318
272
356
356
380
295
475
422
248
325
569
Wind (km/h)
20
NNW
30
N
25
N
30
NNW
30
N
20
N
20
NNW
25
NNW
15
NNW
5
NW
10
NNW
15
N
25
N
30
N
30
N
30
NNW
30
N
15
NNE
15
N
20
NNW
15
NNE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross-off
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
Low Tide
10:29AM-0.06m
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
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:47
5:47
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
 mm
Temp °C
15
15
13
14
15
13
15
16
14
15
15
14
16
16
14
14
15
13
16
16
15
Feels °C
12
10
8
9
10
8
11
12
10
14
14
12
12
11
9
9
10
9
13
13
13
Swell 1
Height (m)
Direction
Period (s)
1.7
NNW
10
1.2
SSW
15
1.1
SSW
16
0.9
SSW
16
0.9
SSW
14
2.2
NNW
8
0.8
SSW
14
0.7
SSW
14
2.1
NNW
8
2
NNW
8
2
NNW
8
1.9
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
1.6
WNW
9
Energy kJ
516
632
620
425
325
692
264
173
623
513
513
572
356
356
380
295
475
422
242
236
413
Swell 2
Height (m)
Direction
Period (s)
0.9
SW
14
0.5
S
12
0.4
S
11
0.4
SSW
19
0.4
SSW
19
0.9
SSW
14
0.6
SSW
18
0.4
SSW
18
0.7
SW
16
0.7
SSW
16
0.8
SSW
16
1.3
N
9
0.7
SSW
14
0.8
SSW
15
0.4
SSW
13
0.4
SSW
13
0.3
WNW
10
0.3
WNW
10
0.6
NNW
6
0.7
SSW
19
1
SSW
17
Energy kJ
297
66
38
148
148
330
209
121
268
229
318
262
186
252
67
68
20
19
28
325
569
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
18
0.3
WNW
10
0.4
SW
20
0.3
S
11
0.3
S
11
0.6
SSW
18
0.2
SSE
15
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
WNW
8
0.2
WNW
7
0.6
SSW
19
0.3
NNW
6
0.1
S
10
Energy kJ
240
20
98
21
21
211
21
19
116
116
298
272
14
14
13
21
6
5
248
7
2
Wind waves
Height (m)
Direction
Period (s)
1.7
NNW
9
1.9
NNW
9
2.5
NNW
9
2.5
NNW
8
2.2
NW
8
2.1
NNW
8
2.3
NNW
8
2.4
NNW
8
2.5
NNW
9
2.2
NNW
8
1.5
NNW
7
1
NNW
6
0.4
W
4
0.6
W
6
0.2
N
6
Energy kJ
517
646
898
857
647
601
766
800
998
554
223
73
6
23
3
Nearest Offshore or Glassy
Rating
(10 max)
2
1
4
2
3
3
2
3
2
3
3
4
2
3
3
3
1
2
2
1
4
Distance (km)
334
861
40
334
54
45
151
51
21
51
51
40
149
294
54
316
437
40
114
151
51
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
3
3
3
4
3
3
4
3
2
2
4
Best forecast wave conditions in United States
Rating
(10 max)
3
2
4
3
3
4
2
3
4
3
3
4
2
3
3
3
2
4
2
3
4
Header Global
Rating
(10 max)
4
9
5
7
5
7
5
6
5
7
9
7
6
7
5
5
5
5
6
6
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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