Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 10 am Saturday 25 Apr 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Mendocino sea temperature is
11.1° C
(Which is slightly cooler than normal)

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 Saturday (Apr 25) at 2PM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 0.6m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cape Mendocino in the next 16 days are 3.0m 12s and forecast to arrive on Friday (May 01) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Thursday (Apr 30) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sat 25th Apr)5ft (1.6m) 9s
Best Surf 5PM (Fri 1st May)10ft (3.0m) 12s
Most Powerful 2PM (Fri 1st May)10ft (3.0m) 12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 13°C on Sat afternoon, min 8°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 13°C on Wed afternoon, min 8°C on Tue night). Mainly fresh winds.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
1
0
1
0
0
1
0
0
0
1
0
1
0
0
0
1
!
!
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.6
NW
9
0.7
WNW
16
0.9
WNW
16
1.1
WNW
14
1.2
WNW
14
1.1
WNW
13
1
WNW
12
1
WNW
12
0.8
WNW
12
0.9
WNW
11
0.9
WNW
12
0.9
WNW
11
0.9
WNW
16
1.2
WNW
16
1.4
WNW
14
1.3
WNW
13
1.5
WNW
13
1.3
WNW
13
1.9
WNW
12
3
NW
12
3
NW
12
Wave Graph
Metric surfscale
Energy kJ
388
256
353
472
577
421
309
299
174
204
222
186
475
666
785
624
734
596
1073
2302
2132
Wind (km/h)
10
SSW
15
NNW
10
N
15
NW
20
NNW
15
N
20
NNW
25
NNW
20
NNE
20
NNW
30
N
25
N
20
NNW
30
NNW
20
N
30
N
35
N
30
N
35
NNW
35
N
25
NNW
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
8:30PM1.54m
7:52AM1.40m
9:08PM1.62m
9:01AM1.37m
9:42PM1.68m
10:03AM1.36m
10:12PM1.72m
10:59AM1.34m
10:40PM1.74m
11:51AM1.33m
11:05PM1.74m
12:39PM1.30m
11:31PM1.73m
Low Tide
1:46PM-0.01m
2:34AM0.56m
2:38PM0.09m
3:29AM0.37m
3:22PM0.20m
4:16AM0.19m
4:02PM0.32m
4:58AM0.04m
4:39PM0.45m
5:35AM-0.08m
5:14PM0.57m
6:10AM-0.16m
5:49PM0.69m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:22
6:22
6:20
6:18
6:18
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:06
8:07
8:07
8:08
8:09
8:10
8:12
Temp °C
12
13
11
12
13
11
12
12
10
11
12
10
12
13
10
12
13
11
11
12
10
10
10
8
9
9
7
8
6
5
6
6
4
8
8
5
6
6
4
4
5
3
Swell 1
Height (m)
Direction
Period (s)
1.6
NW
9
1.5
NNW
9
1.5
NNW
8
1.1
WNW
14
1.2
WNW
14
1.4
NW
9
1
WNW
12
1
WNW
12
0.8
WNW
12
0.9
WNW
11
0.9
WNW
12
0.9
WNW
11
0.9
WNW
16
1.2
WNW
16
1.4
WNW
14
1.3
WNW
13
1.5
WNW
13
1.3
WNW
13
1.9
WNW
12
0.3
SW
13
0.2
WSW
13
Energy kJ
388
338
292
472
577
330
309
299
174
204
222
186
475
666
785
624
734
596
1073
27
17
Swell 2
Height (m)
Direction
Period (s)
0.6
WNW
14
0.7
WNW
16
0.9
WNW
16
0.5
S
13
0.4
S
12
1.1
WNW
13
0.4
S
12
0.4
S
12
0.3
S
13
0.4
SW
13
0.3
SW
13
0.5
NW
19
0.8
WNW
10
0.8
WNW
10
0.5
WNW
9
0.4
SW
14
0.3
SW
14
0.3
SW
14
0.3
SW
13
0.2
S
10
0.2
S
12
Energy kJ
165
256
353
84
47
421
45
46
30
45
28
184
138
118
48
74
33
29
28
8
11
Swell 3
Height (m)
Direction
Period (s)
0.5
S
14
0.5
S
13
0.5
S
13
0.2
SSW
17
0.3
SW
15
0.4
S
12
0.4
SW
15
0.3
SW
15
0.3
SW
17
0.3
S
11
0.2
S
11
0.4
SW
16
0.4
SW
16
0.3
SW
15
0.3
SW
15
0.2
S
11
0.2
S
11
0.2
S
13
0.1
S
13
0.1
S
20
0.1
SW
18
Energy kJ
93
87
85
29
33
46
56
35
43
21
9
89
62
35
34
9
9
14
3
7
12
Wind waves
Height (m)
Direction
Period (s)
1.6
NW
8
1.5
NW
8
1.4
NW
10
1.4
NW
9
1.6
NNW
9
1.6
NNW
9
1.6
NNW
8
2
NNW
8
1.7
NNW
8
1.6
NNW
8
1.7
NNW
8
2.1
NNW
8
2.3
NNW
8
2.3
NNW
8
2.1
NNW
7
3
NW
12
3
NW
12
Energy kJ
314
289
368
330
450
381
300
463
354
294
310
545
655
591
432
2302
2132
Nearest Offshore or Glassy
Rating
(10 max)
1
2
3
2
2
3
3
2
2
1
1
3
2
2
3
4
2
3
4
2
4
Distance (km)
151
437
40
51
879
51
211
438
51
151
861
45
151
437
51
262
800
54
294
437
80
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
2
3
2
3
3
3
4
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
3
3
3
3
2
2
3
1
3
2
2
4
4
3
4
4
3
4
Header Global
Rating
(10 max)
4
5
7
7
8
6
6
5
5
5
6
5
7
5
5
4
6
5
6
4
4
  • 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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