Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Issued: 10 pm 29 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
10.5° C

2.7°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 30 Jun 2026:

  • Most powerful swell: Tuesday 7 Jul, 5AM (local time) - 2.5ft (0.8m), 20s period, SSW swell with 485 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 0.8m 20s and forecast to arrive on Tuesday (Jul 07) 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 4.0m 10s period and expected on Wednesday (Jul 01) at 2AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5AM (Tue 7th Jul)2.5ft (0.8m) 20s

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 15°C on Tue afternoon, min 11°C on Mon night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Fri afternoon, min 11°C on Sat night). Mainly fresh winds.

Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Mon
6
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
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)
0.6
SSW
19
0.4
SSW
20
0.5
SW
18
0.7
SW
18
0.6
SSW
18
0.7
SW
16
0.7
SW
16
0.6
SSW
16
0.6
SSW
15
0.6
S
18
0.6
SSW
15
0.6
SSW
14
0.8
SSW
16
2
NW
8
0.6
SSW
14
1.6
NW
8
0.5
SSW
18
0.7
SW
18
0.6
SSW
18
0.7
SSW
17
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
251
149
166
319
207
271
264
171
156
227
142
140
288
441
149
314
188
319
207
260
330
Wind (km/h)
35
N
40
N
35
N
40
N
35
N
35
N
25
N
30
NNW
30
N
25
N
25
N
25
N
20
N
30
N
30
N
25
N
30
NNW
30
N
25
N
30
NNW
30
N
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
11:10PM1.80m
1:47PM1.34m
11:47PM1.78m
2:18PM1.36m
00:25AM1.74m
2:48PM1.38m
1:05AM1.68m
3:18PM1.42m
1:47AM1.58m
3:49PM1.47m
2:35AM1.44m
4:21PM1.54m
3:33AM1.30m
4:54PM1.62m
Low Tide
6:44AM-0.23m
6:24PM0.99m
7:17AM-0.23m
7:03PM0.98m
7:51AM-0.20m
7:45PM0.96m
8:24AM-0.15m
8:32PM0.92m
8:59AM-0.06m
9:27PM0.85m
9:35AM0.06m
10:28PM0.74m
10:14AM0.21m
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:52
5:52
5:52
5:52
<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
8:50
 mm
Temp °C
13
14
15
13
14
15
13
15
15
14
15
16
14
15
15
12
14
15
12
14
15
Feels °C
7
7
8
7
7
8
7
10
10
10
11
12
11
10
10
7
9
10
7
9
10
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
19
0.4
SSW
15
0.5
SW
18
0.7
SW
18
0.6
SSW
18
0.7
SW
16
0.7
SW
16
0.6
SSW
16
0.6
SSW
15
0.6
SW
15
0.6
SSW
15
0.6
SSW
14
0.8
SSW
16
0.5
SW
13
0.6
SSW
14
1.6
NW
8
0.6
SSW
14
0.7
SW
18
0.8
WNW
12
0.9
WNW
12
0.8
WNW
12
Energy kJ
251
84
166
319
207
271
264
171
156
176
142
140
288
88
138
314
136
319
187
218
169
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
15
0.4
SSW
20
0.4
SSW
14
0.4
SW
14
0.1
S
21
0.2
SSW
21
0.2
SSW
13
0.4
SSW
19
0.3
SSW
19
0.6
S
18
0.4
SSW
17
0.3
S
16
0.4
WNW
14
0.4
WNW
13
0.4
WNW
13
0.7
SSW
14
0.5
SSW
18
0.7
WNW
13
0.6
SSW
18
0.7
SSW
17
0.8
SSW
16
Energy kJ
106
149
77
52
9
44
17
125
69
227
101
46
73
69
66
186
188
154
207
258
330
Swell 3
Height (m)
Direction
Period (s)
0.2
S
16
0.1
S
11
0.1
S
11
0.2
S
13
0.1
W
18
0.1
S
12
0.2
S
20
0.2
WNW
17
0.2
WNW
16
0.2
WNW
15
0.3
WNW
15
0.3
WNW
15
0.2
SSW
21
0.4
SSW
15
0.4
SSW
20
0.5
WNW
12
0.5
WNW
13
0.4
NW
11
0.4
SSW
13
0.5
SSW
21
0.5
SSW
21
Energy kJ
19
2
2
14
6
3
30
28
25
22
43
42
45
79
149
85
99
31
57
260
260
Wind waves
Height (m)
Direction
Period (s)
3.5
NNW
9
3.5
NNW
9
3
NNW
9
4
NNW
10
3.5
NNW
9
3.5
NNW
9
3
NNW
9
2.5
NNW
9
2.5
NNW
8
2.5
NNW
8
1.9
NNW
7
1.7
NNW
7
1.6
NW
7
2
NW
8
2
NNW
8
1.5
N
8
2.2
NNW
8
2.2
NW
8
2.1
NNW
8
2.2
NNW
8
2.2
NNW
8
Energy kJ
2064
1781
1431
2731
2109
1808
1387
1036
848
817
382
259
261
441
452
295
650
587
608
666
650
Nearest Offshore or Glassy
Rating
(10 max)
4
3
4
4
4
1
3
2
3
4
2
1
2
2
3
4
1
1
4
2
2
Distance (km)
59
289
262
68
289
780
54
334
54
40
219
473
45
289
80
40
151
437
54
151
437
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
4
3
3
4
2
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
4
4
1
3
2
3
4
3
2
3
2
3
4
3
2
4
2
3
Header Global
Rating
(10 max)
5
5
5
5
5
8
7
5
9
5
7
5
7
6
5
9
9
9
6
7
7
  • 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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