Cape Mendocino Surf Break

Lat Long: 40.42° N 124.40° W

Issued: 10 am 15 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cape Mendocino sea temperature is
9.9° C

2.7°C colder than average for this time of year

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


Cape Mendocino surf forecast from 15 Jun 2026:

  • Best quality surf: Thursday 18 Jun, 8AM (local time) - 3.5ft (1.1m), 17s period, SW swell with glassy winds.
  • Most powerful swell: Tuesday 16 Jun, 11PM (local time) - 4.5ft (1.3m), 19s period, SW swell with 1,210 kJ wave energy.
  • Next surfable swell (1★+): Thursday 18 Jun, 8AM (local time) - 3.5ft (1.1m), 17s period with SW swell.

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 Thursday (Jun 18) at 8AM. The primary swell is predicted to be 1.1m and 17s period. 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 1.3m 19s and forecast to arrive on Tuesday (Jun 16) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Sunday (Jun 21) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 18th Jun)3.5ft (1.1m) 17s
Best Surf 8AM (Thu 18th Jun)3.5ft (1.1m) 17s
Most Powerful11PM (Tue 16th Jun)4.5ft (1.3m) 19s

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 16°C on Tue morning, min 11°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 14°C on Fri morning, min 10°C on Sat night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
3
1
1
2
1
3
3
2
2
3
1
2
1
0
0
2
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
24
0.6
SW
23
1
SW
21
0.9
SW
21
1.1
SW
19
1.2
SW
19
1.1
SW
18
1.1
SW
18
1.1
SW
18
1
SW
16
1
SW
16
1
SW
16
1
SW
15
1.1
SW
15
0.9
SW
14
0.9
SW
14
1
SSW
16
1
SSW
16
0.9
SSW
16
0.8
SSW
14
0.9
SSW
14
Wave Graph
Metric surfscale
Energy kJ
563
429
890
634
959
1088
727
790
781
521
508
496
459
503
301
297
499
525
387
268
330
Wind (km/h)
10
NW
10
NW
10
N
20
NNW
25
N
20
N
10
NNW
15
NNW
5
NW
5
WSW
10
NW
0
WSW
15
SSW
10
WNW
15
N
25
NNW
25
N
20
N
30
NNW
25
N
20
N
Wind State
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross
cross-on
on
cross-on
glassy
cross
on
cross
cross
cross
cross-off
cross
cross
cross
High Tide
1:21PM1.42m
11:39PM2.10m
2:10PM1.46m
00:32AM2.03m
2:58PM1.50m
1:27AM1.91m
3:45PM1.53m
2:24AM1.73m
4:32PM1.58m
3:26AM1.53m
5:17PM1.63m
4:36AM1.32m
6:01PM1.68m
Low Tide
5:59PM0.88m
7:12AM-0.62m
6:57PM0.87m
8:02AM-0.55m
7:59PM0.85m
8:51AM-0.43m
9:05PM0.80m
9:40AM-0.26m
10:18PM0.73m
10:29AM-0.06m
11:33PM0.62m
11:18AM0.15m
00:46AM0.47m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
5:46
5:47
5:47
5:47
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:49
8:49
8:50
8:50
8:50
8:51
8:51
 mm
Temp °C
15
15
14
16
16
13
14
15
13
13
13
12
14
13
12
13
14
12
14
15
13
Feels °C
13
14
12
12
12
9
12
14
10
12
12
10
11
11
9
8
9
8
9
10
9
Swell 1
Height (m)
Direction
Period (s)
1
NNW
7
0.8
SSW
15
1.5
NNW
8
0.9
SW
21
1.1
SW
19
1.2
SW
19
2.5
NNW
9
3
NNW
10
3
NNW
10
3
NNW
10
2.5
NNW
10
2.4
NNW
9
2.5
NNW
10
2.4
NNW
10
2.3
NNW
10
0.9
SW
14
1
SSW
16
1
SSW
16
0.9
SSW
16
0.8
SSW
14
0.9
SSW
14
Energy kJ
99
288
247
634
959
1088
1236
1435
1831
1676
1288
1014
1125
1093
1022
297
499
525
387
268
330
Swell 2
Height (m)
Direction
Period (s)
0.8
SSW
15
0.6
SW
23
1
SW
21
0.8
SSW
14
0.7
SSW
13
0.7
SSW
13
1.1
SW
18
1.1
SW
18
1.1
SW
18
1
SW
16
1
SW
16
1
SW
16
1
SW
15
1.1
SW
15
0.9
SW
14
0.5
SSW
18
0.4
S
12
0.4
SW
20
0.4
SSW
20
0.4
SW
19
0.6
SSW
18
Energy kJ
288
429
890
243
181
184
727
790
781
521
508
496
459
503
301
174
42
98
149
96
211
Swell 3
Height (m)
Direction
Period (s)
0.7
SW
24
0.6
S
12
0.9
SSW
14
0.4
S
18
0.5
S
16
0.4
S
16
0.8
S
14
0.8
S
14
0.8
S
14
0.7
S
14
0.7
S
13
0.7
S
13
0.6
S
13
0.6
S
12
0.7
SSW
18
0.4
S
12
0.2
SSW
21
0.3
S
11
0.3
S
11
0.2
SSE
16
0.3
SSE
15
Energy kJ
563
106
341
97
125
81
268
264
260
180
167
165
117
105
273
44
45
21
21
26
42
Wind waves
Height (m)
Direction
Period (s)
0.9
NNW
7
2.1
NNW
8
2.3
NNW
8
2.5
NNW
9
2.4
NNW
10
2.5
NNW
10
3
NNW
10
3
NNW
9
2.5
NNW
9
2.5
NNW
9
Energy kJ
81
608
731
1083
1058
1242
1980
1556
1010
1144
Nearest Offshore or Glassy
Rating
(10 max)
3
1
4
4
4
4
4
4
3
3
3
3
3
3
4
2
2
4
3
4
4
Distance (km)
51
59
40
51
51
41
51
51
21
152
51
21
191
51
51
151
438
41
722
54
41
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
1
4
4
4
4
4
4
4
4
4
3
4
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
2
4
4
4
4
4
4
4
4
4
4
4
3
4
2
2
4
3
4
4
Header Global
Rating
(10 max)
5
5
5
4
4
5
5
5
8
7
6
5
6
6
4
9
8
9
9
8
6
  • 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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