Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 4 am Wednesday 22 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
10.9° 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 Wednesday (Apr 22) at 11AM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 1.2m and 9s. 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 1.9m 13s and forecast to arrive on Thursday (Apr 23) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 10s period and expected on Thursday (Apr 23) at 8PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 22nd Apr)3.5ft (1.0m) 14s
Best Surf 8AM (Wed 29th Apr)4.5ft (1.3m) 16s
Most Powerful 5AM (Thu 23rd Apr)6ft (1.9m) 13s

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 Wed morning, min 8°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the N by Thu afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 13°C on Sun afternoon, min 10°C on Sat morning). Wind will be generally light.

Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
3
1
0
1
0
0
1
1
1
1
2
2
3
2
1
2
1
1
3
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
WNW
14
1.1
WNW
14
1.5
WNW
14
1.3
WNW
13
1.3
WNW
13
1
WNW
12
0.8
WNW
12
0.6
S
15
0.6
S
15
0.6
WNW
14
0.7
WNW
16
0.9
WNW
16
1
WNW
14
1.2
WNW
14
1.1
WNW
13
1.1
WNW
12
1
WNW
12
0.9
WNW
12
0.9
WNW
12
0.9
WNW
12
1.1
NW
18
Wave Graph
Metric surfscale
Energy kJ
437
453
895
536
504
304
180
150
150
165
256
353
394
577
421
359
294
211
231
218
727
Wind (km/h)
5
W
15
NNW
15
NNE
25
N
30
N
20
N
15
NW
15
NNW
10
N
5
NW
10
W
5
S
10
SSW
10
SW
0
ENE
5
W
10
NNW
10
ENE
5
NW
15
NNW
10
NNE
glassy
cross-on
cross-off
cross
cross
cross
cross-on
cross-on
cross
cross-on
on
cross
cross
cross-on
glassy
on
cross-on
cross-off
cross-on
cross
cross-off
High Tide
5:46PM1.32m
3:56AM1.65m
6:52PM1.37m
5:12AM1.54m
7:46PM1.46m
6:33AM1.45m
8:30PM1.54m
7:52AM1.40m
9:08PM1.62m
9:01AM1.37m
9:42PM1.68m
10:03AM1.36m
10:12PM1.72m
Low Tide
10:29AM-0.28m
10:36PM0.95m
11:38AM-0.19m
00:07AM0.89m
12:45PM-0.10m
1:28AM0.75m
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
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:26
6:24
6:22
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:04
8:05
8:06
8:07
8:07
8:08
Temp °C
13
13
11
11
11
9
12
12
10
11
12
11
12
13
12
12
12
12
12
13
12
11
10
7
5
5
3
9
9
7
9
10
9
9
11
11
10
10
9
10
11
9
Swell 1
Height (m)
Direction
Period (s)
1.2
W
9
1.1
WNW
14
1.5
WNW
14
1.3
WNW
13
1.3
WNW
13
1.8
NNW
11
1.7
NNW
10
1.7
NNW
10
1.6
NNW
9
1.5
NNW
9
1.3
NNW
9
1.3
NNW
9
1.2
NW
8
1.2
NW
8
1.1
NW
8
1.3
NW
9
1.3
NW
9
1.3
NNW
8
1.2
NW
9
0.9
WNW
12
1.1
NNW
9
Energy kJ
220
453
895
536
504
759
555
576
422
387
276
252
201
206
171
255
260
224
231
211
194
Swell 2
Height (m)
Direction
Period (s)
1
WNW
14
0.9
WNW
8
1
WNW
8
0.5
S
17
0.6
S
16
1
WNW
12
0.8
WNW
12
0.7
WNW
11
0.6
S
15
0.6
WNW
14
0.7
WNW
16
0.9
WNW
16
1
WNW
14
1.2
WNW
14
1.1
WNW
13
1.1
WNW
12
1
WNW
12
0.9
WNW
12
0.9
WNW
12
0.5
NW
21
1.1
NW
18
Energy kJ
437
126
137
135
183
304
180
113
150
165
256
353
394
577
421
359
294
211
215
218
727
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
12
0.9
SW
7
0.6
S
18
0.3
SSW
11
0.3
SSW
11
0.7
S
16
0.6
S
15
0.6
S
15
0.6
WNW
11
0.5
S
14
0.5
S
13
0.5
S
13
0.5
S
13
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.3
S
13
0.4
SW
13
0.3
SW
13
1
WNW
11
Energy kJ
56
77
219
25
24
246
155
150
79
93
87
85
84
47
46
45
46
30
45
28
247
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
3
0.4
N
3
1.5
NW
10
1.8
NNW
10
0.5
NNW
4
1.3
NNW
9
Energy kJ
3
2
424
640
7
270
Nearest Offshore or Glassy
Rating
(10 max)
3
2
4
2
2
3
3
1
3
2
2
3
3
2
3
3
2
2
1
2
3
Distance (km)
0
151
40
244
437
51
211
151
40
80
51
21
21
100
0
86
151
0
151
151
0
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
4
3
3
2
3
3
3
3
3
4
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
2
3
4
4
3
3
3
3
3
3
3
3
2
3
2
2
4
Header Global
Rating
(10 max)
9
7
5
5
4
5
5
4
4
4
4
4
7
4
4
6
5
9
8
7
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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