Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino Surf Forecast and Surf Report

Issued: 4 pm 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
11.3° C
2.3° 

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 24 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 5AM (local time) - 3ft (0.9m), 22s period, SW swell with glassy winds.
  • Most powerful swell: Sunday 26 Jul, 8AM (local time) - 4.5ft (1.3m), 19s period, SSW swell with 1,255 kJ wave energy.
  • Next surfable swell (1★+): Thursday 23 Jul, 11PM (local time) - 2.5ft (0.8m), 14s period with SSW 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 (Jul 23) at 11PM. The primary swell is predicted to be 0.8m and 14s 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 1.3m 19s and forecast to arrive on Sunday (Jul 26) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Thursday (Jul 30) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 23rd Jul)2.5ft (0.8m) 14s
Best Surf 5AM (Sat 25th Jul)3ft (0.9m) 22s
Most Powerful 8AM (Sun 26th Jul)4.5ft (1.3m) 19s

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


The Lowdown

Alright, this is Rusty, and I’m looking at the next 16 days for Cape Mendocino. It’s a bit of a rough patch, to be honest. The water is running much colder than normal for this time of year, about 52.3°, which is a solid 4.1° below average – you’ll feel that chill on the paddle out.

The forecast starts off pretty quiet. We’ve got a small, short-period swell on Thursday afternoon, July 23rd, with little energy. It’s not really doing much. Friday, July 24th, shows a bump in period, with a 2ft to 3ft swell from the SSW, but it's still crossed up with a light breeze and the wave energy is moderate (789) in the morning and building to strong (1126) by the afternoon. Still, the conditions are a bit messy.

The best of a fairly average lot looks like Saturday morning, July 25th. The wind goes light and offshore from the WNW, which is a big positive for clean faces. The swell is 4ft from the SSW with a solid 21-second period – that’s proper groundswell. The energy is strong (1498), but a period that long can make the waves at a beach setup like this break a bit straight and fat. It’s a Saturday, and crowds are *sometimes* an issue here, so you might have some company. Still, this is the standout window.

From Sunday onward, the wind swings around to the north and northwest, picking up and staying onshore or cross-shore. The swell sticks around for a few days, but the quality drops fast. By Wednesday, July 30th, the swell direction shifts to the NW with a very short period of 8 seconds, and the wind is honking at 19 mph. The waves are about 7.5ft, which is too big for beginners and just a choppy, lumpy mess for everyone else. That kind of setup with a strong cross-shore wind is more interesting for the kite surfers than for paddle surfing.

After that, the forecast flatlines. From Friday, July 31st, through to the end of the window, the conditions are poor. The swell drops off, and the wind stays relentless. There are some long gaps of 8 or 9 days in a row here with no real recommendations. It’s a pretty blank run for the area.

So, if you’re going to get wet, make it Saturday morning, July 25th, for the cleanest conditions and the best chance of a decent wave. After that, I’d be doing something else with my time.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light.

Thu
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
2
2
3
3
2
4
2
1
3
2
2
3
2
1
3
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
14
0.8
SSW
14
0.6
SSW
24
0.9
SSW
24
0.7
SW
23
1.2
SSW
21
1.1
SW
21
1.1
SW
20
1.2
SW
19
1.1
SW
19
1.1
SW
18
1.2
SSW
18
1.3
SSW
18
1.3
SSW
19
1.1
SW
17
1.3
SSW
18
1.2
SSW
17
1.1
SSW
16
1
SSW
16
2
NW
8
Wave Graph
Metric surfscale
Energy kJ
233
220
374
964
558
1221
1051
872
1100
863
719
845
1104
1123
679
1081
789
635
539
441
Wind (km/h)
10
NW
5
NE
10
WNW
10
NW
5
NNE
5
WNW
15
NNW
15
NNE
20
NNW
25
NNW
20
NNE
20
N
25
N
20
NNE
20
NNW
25
N
20
NNE
25
N
30
N
30
N
Wind State
cross-on
cross-off
cross-on
cross-on
glassy
on
cross-on
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross
High Tide
7:14PM1.74m
10:11AM1.21m
8:03PM1.75m
11:00AM1.28m
8:50PM1.78m
11:38AM1.33m
9:34PM1.81m
12:10PM1.37m
10:16PM1.84m
12:39PM1.39m
10:55PM1.85m
1:05PM1.42m
11:34PM1.83m
Low Tide
3:10AM0.09m
2:25PM1.00m
3:58AM0.01m
3:21PM1.02m
4:39AM-0.05m
4:10PM1.01m
5:16AM-0.10m
4:52PM0.98m
5:49AM-0.13m
5:29PM0.95m
6:20AM-0.14m
6:06PM0.90m
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:09
6:09
6:09
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:40
8:39
8:38
8:37
8:37
8:36
8:35
 mm
Temp °C
16
14
17
17
16
17
18
17
17
18
15
17
18
16
17
18
16
15
16
13
Feels °C
15
14
16
16
15
17
17
15
14
15
12
14
14
12
13
15
13
12
12
8
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  • 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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