Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino 48 hour detailed Surf Forecast

Issued: 10 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
12.5°C
2.0° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 4ft (1.2m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 5ft (1.6m), 9s period with NW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 6ft (1.8m), 9s period with NW swell.

The current surf forecast for Cape Mendocino at 4PM is: 1.6m 9s primary swell from a Northwest direction and 0.7m 13s secondary swell from a Southwest direction (forecast issued at 10:00am September 13). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (13 Sep)4ft (1.2m)9s
Afternoon (13 Sep)5ft (1.6m)9s
Evening (13 Sep)6ft (1.8m)9s

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 Sun morning, fresh winds from the NNW by Tue afternoon).

Sunday
13
Monday
14
Tuesday
15
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)
2
1
0
2
1
3
2
1
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WNW
10
1.3
WNW
8
1.6
NW
9
1.8
NW
9
1.6
NW
9
1.8
NW
9
1.8
NW
9
1.7
NW
9
1.8
NW
8
1.9
NW
8
2
NW
7
0.6
SW
17
0.6
SW
17
0.6
SW
17
0.5
SW
17
0.6
SW
17
0.6
SW
17
0.6
SW
17
0.6
SW
16
0.5
SW
16
0.4
SW
16
0.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
246
219
397
540
427
486
513
418
427
418
407
188
188
188
147
188
186
179
159
122
87
87
Wind (km/h)
5
E
10
WNW
15
NW
20
NNW
20
N
15
N
20
N
25
N
25
N
30
N
30
N
30
N
25
N
20
N
20
N
20
N
20
N
25
N
30
NNW
30
N
25
N
20
N
Wind State
glassy
cross-on
cross-on
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
1:14PM1.78m
1:56AM1.48m
1:43PM1.76m
2:54AM1.35m
2:16PM1.72m
Low Tide
7:11AM0.38m
7:51PM0.17m
7:46AM0.56m
8:37PM0.16m
8:24AM0.74m
9:27PM0.17m
clear
clear
clear
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>
6:56
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:28
7:27
 mm
Temp °C
14
16
17
16
14
13
13
12
13
16
16
15
13
13
13
12
12
16
16
16
14
14
Feels °C
14
15
14
12
11
10
10
8
9
11
11
10
9
10
10
8
8
12
10
11
10
11
  • 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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