Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino Surf Forecast and Surf Report

Issued: 10 pm 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
13.8° C
0.2° 

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 28 Jul 2026:

  • Most powerful swell: Tuesday 28 Jul, 5PM (local time) - 4.5ft (1.3m), 18s period, SSW swell with 1,081 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 1.3m 18s and forecast to arrive on Tuesday (Jul 28) 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 4.0m 10s period and expected on Monday (Aug 03) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Tue 28th Jul)4.5ft (1.3m) 18s

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


The Lowdown

Alright folks, Rusty here. Let’s be straight with you: the next 16 days at Cape Mendocino are a tough watch. The whole stretch is plagued by persistent cross-shore winds, mostly from the north, blowing at 15 to 25 mph. That means the surface is going to be chopped up and lumpy, with a constant cross-chop. The swell is small to tiny, and the wave energy is low to moderate. There’s no standout session, no magic window. It’s a flat, windy grind.

The first real chance of anything surfable is a long way off, on Tuesday morning, 28 July. Even then, it’s not great. We’ve got a 4 ft swell from the SW, with a very long period of 17 seconds. That’s a proper groundswell, but it’s hitting a beach that’s exposed to the wind. The combined energy is moderate (915), but with a 15 mph cross-shore from the north, it’s going to be a mess. The water temp is about average for the time of year, no big anomaly to report.

The afternoon of the 28th bumps up to 4 ft from the SSW with an 18-second period, and the energy climbs to 1139, but again, the wind is a fresh 19 mph cross-shore. It’s a marginal situation, and the score reflects that. Wednesday the 29th is more of the same: 4 ft to 3 ft, long period, but the wind stays strong and cross. The energy is moderate to strong (935-1317), but it’s just not clean.

From Thursday 30 July onward, the swell drops off a cliff. We’re looking at 3 ft sliding down to 1 ft by the first week of August. The energy plummets to weak, two-digit numbers. The wind doesn’t let up, staying fresh to strong from the north. Nothing to get excited about.

There’s a brief, weird spike right at the end on Sunday afternoon, 9 August, where a 7 ft NW swell with a short period of just 7 seconds appears. The combined energy is 715, but it’s a short-period windswell, and the wind is still a fresh cross-shore. That’s a messy, lumpy wave for experts only, and it’s still rated poor. The following Monday, 10 August, has a 5 ft to 7 ft NW swell, but again, period is short (8-9 seconds) and the wind is strong. Too big for beginners, too messy for anyone else. This setup looks more interesting for kite surfing than paddle surfing.

The final few days, 11-12 August, see a tiny 2 ft SW groundswell with a long period of 15-18 seconds, but the wind switches to a light cross-onshore. The energy is moderate (367-470), but the swell is just too small to do anything with.

So, there’s no standout. Honestly, the best bet is to not bother. The entire 16-day window is a write-off. If you absolutely have to get wet, the Tuesday 28 July morning has the most size and the longest period, but you’ll be battling a strong cross-wind. That’s the reality. Forecasts can change, but right now, it’s a blank run.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Tue afternoon, min 12°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Fri afternoon, min 12°C on Thu night). Mainly fresh winds.

Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
1
3
0
1
3
0
0
2
0
0
2
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)
1.2
SSW
19
1.1
SW
17
1.3
SSW
18
1.2
SSW
17
1.1
SSW
16
1
SSW
16
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.6
S
15
0.7
SW
14
0.8
SSW
14
0.8
SSE
13
0.6
S
14
0.7
S
13
0.6
S
12
0.5
SW
14
0.5
S
12
0.3
SW
18
Wave Graph
Metric surfscale
Energy kJ
973
679
1081
789
635
539
441
419
306
171
211
239
239
144
171
107
92
71
49
Wind (km/h)
20
NNE
25
N
30
N
25
N
30
N
30
N
25
NNE
25
N
25
N
20
NNE
25
NNW
25
N
20
NNE
30
N
35
N
35
N
35
N
35
N
35
N
Wind State
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
High Tide
10:16PM1.84m
12:39PM1.39m
10:55PM1.85m
1:05PM1.42m
11:34PM1.83m
1:30PM1.46m
00:13AM1.79m
1:56PM1.51m
00:53AM1.70m
2:22PM1.56m
1:37AM1.58m
2:50PM1.63m
2:28AM1.44m
Low Tide
5:49AM-0.13m
5:29PM0.95m
6:20AM-0.14m
6:06PM0.90m
6:50AM-0.13m
6:43PM0.85m
7:20AM-0.09m
7:23PM0.78m
7:50AM-0.01m
8:07PM0.70m
8:22AM0.12m
8:57PM0.60m
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:11
6:11
6:13
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:36
8:35
8:34
8:32
8:31
8:30
 mm
Temp °C
16
17
18
16
15
16
14
16
16
15
16
17
15
17
17
15
15
17
15
Feels °C
13
13
14
12
11
12
10
12
11
11
12
13
11
13
12
10
8
11
9
  • 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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