Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino Surf Forecast and Surf Report

Issued: 10 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
11.4° C
2.8° 

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 7 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 11AM (local time) - 2ft (0.6m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 12 Aug, 5AM (local time) - 2.5ft (0.7m), 18s period, SW swell with 316 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 11AM (local time) - 2ft (0.6m), 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 Thursday (Aug 13) at 11AM. The primary swell is predicted to be 0.6m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cape Mendocino in the next 16 days are 0.7m 18s and forecast to arrive on Wednesday (Aug 12) 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 3.0m 9s period and expected on Monday (Aug 10) at 2AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Thu 13th Aug)2ft (0.6m) 16s
Best Surf11AM (Thu 13th Aug)2ft (0.6m) 16s
Most Powerful 5AM (Wed 12th Aug)2.5ft (0.7m) 18s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sat afternoon, min 11°C on Thu night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Wed afternoon, min 13°C on Sun night). Mainly fresh winds.

Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
18
0.4
SW
18
0.4
SSW
18
0.6
SSW
13
0.6
SSW
17
0.6
SSW
18
0.5
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.4
SW
20
0.4
SW
19
0.4
SW
18
0.6
SSW
18
0.6
SSW
18
0.5
SW
17
0.6
SSW
16
Wave Graph
Metric surfscale
Energy kJ
83
85
131
109
235
240
146
198
196
167
165
163
134
95
115
209
207
137
173
Wind (km/h)
25
N
25
N
30
N
20
N
30
N
25
N
30
N
30
NNW
30
N
30
N
30
NNW
25
N
30
N
30
NNW
30
N
30
N
30
N
30
N
10
N
Wind State
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
8:19AM1.14m
6:32PM1.91m
9:34AM1.24m
7:36PM1.98m
10:27AM1.35m
8:39PM2.04m
11:10AM1.45m
9:39PM2.09m
11:49AM1.53m
10:34PM2.09m
12:26PM1.60m
11:26PM2.05m
Low Tide
1:20AM0.09m
12:27PM0.95m
2:27AM-0.06m
1:45PM1.00m
3:27AM-0.20m
2:55PM0.97m
4:20AM-0.29m
3:57PM0.89m
5:08AM-0.34m
4:52PM0.79m
5:51AM-0.32m
5:45PM0.68m
part cloud
part cloud
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>
6:20
6:20
6:22
6:22
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:24
8:23
8:22
8:22
8:20
8:19
 mm
Temp °C
13
16
17
14
17
18
15
16
17
14
17
18
15
17
18
15
18
19
16
Feels °C
10
12
13
10
12
13
11
11
12
10
12
13
11
12
13
11
13
15
13
  • 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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