Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino 48 hour detailed Surf Forecast

Issued: 4 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
12.7°C
1.8° 

Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Cape Mendocino today (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 3.5ft (1.0m), 14s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 14s period with SW swell.

The current surf forecast for Cape Mendocino at 11AM is: 1.0m 14s primary swell from a Southwest direction (forecast issued at 04:00am September 12). An open ocean swell of 1.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Sep)3ft (0.9m)14s
Afternoon (12 Sep)3.5ft (1.0m)14s
Evening (12 Sep)3ft (0.9m)14s

Table - waves today at Cape Mendocino. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sun afternoon, min 12°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the N by Mon afternoon).

Saturday
12
Sunday
13
Monday
14
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
2
2
0
1
2
3
3
2
3
2
1
0
1
2
2
2
2
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
15
1
SW
15
0.9
SSW
15
1
SW
14
1
SW
14
0.9
SW
14
0.9
SW
14
0.9
SW
14
0.9
SW
14
0.9
SW
14
1.1
NW
10
1.3
WNW
8
1.5
NW
9
1.6
NW
9
1.8
NW
9
1.8
NW
9
1.8
NW
9
2
NW
8
1.9
NW
8
2
NW
8
2.1
NW
8
2.1
NW
8
2.1
NW
8
0.6
SW
17
Wave Graph
Metric surfscale
Energy kJ
418
418
372
407
407
301
301
297
293
284
211
224
357
427
537
525
475
530
424
470
503
490
503
188
Wind (km/h)
15
NNE
15
NNE
10
NNE
15
NW
15
NW
10
NNW
0
NNE
5
SE
5
ESE
5
E
5
ENE
10
NW
20
NNW
20
N
20
N
20
N
20
N
20
N
20
N
25
N
30
N
30
N
25
N
20
N
Wind State
cross-off
cross-off
cross-off
cross-on
cross-on
cross
glassy
glassy
off
glassy
cross-off
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
High Tide
00:14AM1.74m
12:45PM1.78m
1:04AM1.62m
1:14PM1.78m
1:56AM1.48m
1:43PM1.76m
Low Tide
6:36AM0.21m
7:07PM0.22m
7:11AM0.38m
7:51PM0.17m
7:46AM0.56m
8:37PM0.16m
clear
part cloud
clear
clear
cloud
clear
clear
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>
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:31
7:30
7:28
 mm
Temp °C
12
12
13
15
16
16
15
14
14
14
14
16
17
16
14
13
13
12
12
16
16
15
13
12
Feels °C
9
9
11
12
14
15
15
13
13
14
13
14
14
13
11
10
10
8
8
11
10
10
9
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Mendocino surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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