Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino Surf Forecast and Surf Report

Issued: 10 am 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
11.4° C
2.6° 

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 3 Aug 2026:

  • Best quality surf: Wednesday 5 Aug, 5PM (local time) - 5.5ft (1.7m), 8s period, NW swell with glassy winds.
  • Most powerful swell: Wednesday 5 Aug, 11AM (local time) - 6ft (1.9m), 8s period, NW swell with 479 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 5AM (local time) - 1.5ft (0.4m), 15s 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 Wednesday (Aug 05) at 5AM. The primary swell is predicted to be 0.4m and 15s 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 1.9m 8s and forecast to arrive on Wednesday (Aug 05) at 11AM. 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 03) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 5th Aug)1.5ft (0.4m) 15s
Best Surf 5PM (Wed 5th Aug)5.5ft (1.7m) 8s
Most Powerful11AM (Wed 5th Aug)6ft (1.9m) 8s

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


The Lowdown

Alright, Rusty here, checking out the Cape Mendocino zone for the next couple weeks. Gotta level with you – the surf report is pretty bleak for most of it. The first week is a total loss, and the second week only gives you a few marginal looks. Don't get your hopes up.

We're starting with nothing. Monday the 3rd, Tuesday the 4th, it's all tiny, weak, and ugly. The water is a bone-chilling 53°F, which is about 5°F colder than it should be for this time of year, so you'll feel it. The first real sign of life comes in on Wednesday the 5th. That morning, a new NW swell hits at about 6ft but with a short 8-second period and a cross-shore wind, it's just a lumpy mess with moderate energy (583). The one true standout, the only real window in this whole 16-day stretch, is Wednesday afternoon. The swell drops a bit to 6ft from the NW, the period is still short at 8 seconds, but the wind goes glassy. That's right – glassy. The combined energy is 512. For a few hours, everything will clean right up. It'll still be a punchy, short-period beach break, so don't expect perfection, but it'll be the cleanest and most fun you'll see all week. That's your chance.

After that, it's back to the dead zone. From Thursday the 6th all the way through to Sunday the 11th, it's a long stretch of small, weak, wind-chopped junk. On the 11th, we see a 8ft NW swell, but it's pulsing with a short 8-second period and a fresh 30 km/h cross-shore wind. That's a lot of whitewater and a messy, lumpy ocean – looks more like a kite-surfing session than a paddle surf. The energy is strong, hitting 796, but the quality is just not there for a surfer.

The second week, from the 12th, is more of the same. Small, wind-affected leftovers. The only flicker of life comes right at the end, around the 15th and 16th of August. It's still marginal, with 3ft from the SSW and a 16-second period giving it some long-period groundswell energy. The combined energy is high (hitting 929 on the 15th afternoon), but the winds are light and a bit cross-onshore. For a spot like Cape Mendocino, which is fairly consistent, that long-period swell could wrap in nicely, but it's a long-range call and the wind is a question mark. It's promising, but not certain. Keep an eye on the 15th afternoon and 16th afternoon for a cleaner, albeit small, window.

So, to wrap it up: Wednesday the 5th afternoon is your best bet. Get out there during that glassy lull. Everything else is either a flat, windy mess or a long-range maybe.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the N on Mon afternoon, calm by Wed night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 18°C on Fri afternoon, min 12°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the N by Sat night).

Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
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
0
0
0
0
2
3
1
0
0
0
0
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
Wave
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
SW
13
0.3
SW
16
0.4
SW
16
0.4
SW
15
0.4
SW
15
1.9
NW
8
1.7
NW
8
0.5
SW
14
0.5
SW
13
0.5
SW
13
0.6
SSW
13
0.4
SW
18
0.4
SSW
18
0.5
SW
13
0.5
SSW
17
0.6
SSW
18
0.5
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
15
Wave Graph
Metric surfscale
Energy kJ
44
43
41
86
78
76
479
400
95
88
85
113
85
130
107
170
240
146
198
196
167
Wind (km/h)
25
N
30
N
20
N
10
NW
10
NNW
10
N
15
SSW
5
SW
5
NNW
10
NW
25
N
25
N
25
NNW
25
N
25
N
30
NNW
30
N
35
N
35
N
30
N
30
N
Wind State
cross
cross
cross
cross-on
cross-on
cross
cross
glassy
glassy
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
3:22PM1.69m
3:30AM1.28m
3:58PM1.75m
4:51AM1.14m
4:41PM1.81m
6:35AM1.09m
5:33PM1.86m
8:19AM1.14m
6:32PM1.91m
9:34AM1.24m
7:36PM1.98m
10:27AM1.35m
8:39PM2.04m
Low Tide
8:56AM0.27m
9:54PM0.50m
9:34AM0.46m
10:58PM0.37m
10:18AM0.65m
00:08AM0.24m
11:14AM0.82m
1:20AM0.09m
12:27PM0.95m
2:27AM-0.06m
1:45PM1.00m
3:27AM-0.20m
2:55PM0.97m
4:20AM-0.29m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:18
6:18
6:20
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:29
8:28
8:25
8:24
8:23
8:22
 mm
Temp °C
18
19
16
17
17
15
17
17
15
15
17
15
17
18
15
17
17
15
16
17
15
Feels °C
14
14
12
16
17
14
16
16
16
14
15
11
13
14
11
12
12
11
10
12
11
  • Map Icons:
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  • 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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