Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Cape Mendocino 48 hour detailed Surf Forecast

Issued: 4 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
12.4° 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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.
  • Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.

The current surf forecast for Cape Mendocino at 11AM is: 0.9m 14s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a West direction (forecast issued at 04:00am August 17). An open ocean swell of 1.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (17 Aug)3ft (0.9m)14s
Afternoon (17 Aug)3ft (0.9m)15s
Evening (17 Aug)3ft (0.9m)15s

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


Short Range Forecast

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

Monday
17
Tuesday
18
Wednesday
19
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
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)
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
14
0.7
SSW
14
0.7
SSW
14
0.8
SSW
14
0.8
SSW
15
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.7
SSW
16
0.7
SSW
16
0.8
SSW
16
0.8
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
Wave Graph
Metric surfscale
Energy kJ
334
330
330
330
334
334
334
334
334
268
180
178
239
249
362
402
291
223
220
273
242
305
309
314
Wind (km/h)
15
N
15
N
15
N
20
NNW
20
NNW
25
NNW
25
N
20
N
20
N
20
N
25
N
25
NNW
30
NNW
25
N
20
N
15
N
25
NNW
30
N
25
N
25
NNW
25
NNW
30
N
25
N
20
N
Wind State
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
2:58AM1.41m
3:18PM1.74m
4:06AM1.25m
3:55PM1.71m
5:35AM1.14m
4:39PM1.68m
Low Tide
9:04AM0.47m
10:12PM0.35m
9:47AM0.67m
11:15PM0.32m
10:37AM0.85m
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:10
8:08
 mm
Temp °C
13
13
14
15
17
16
13
13
13
12
13
15
16
17
14
13
13
12
13
16
17
16
14
13
Feels °C
11
11
12
12
14
13
9
10
10
9
9
11
12
13
11
11
10
7
9
12
14
12
10
10
  • 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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