Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle12 Day Weather and Surf, issued 3 am Friday 26 Dec 2025 PST
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
12.2° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Cape Mendocino this week:

The surf forecast for Cape Mendocino over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 26) at 10AM. The primary swell is predicted to be 4.0m and 10s period with a secondary swell of 3.0m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cape Mendocino in the next 12 days are 4.0m 10s and forecast to arrive on Friday (Dec 26) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 10s period and expected on Saturday (Dec 27) at 7PM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Fri 26th Dec)10ft (3.0m) 14s
Best Surf10AM (Fri 26th Dec)10ft (3.0m) 14s
Most Powerful10AM (Fri 26th Dec)10ft (3.0m) 14s

Table - best surf conditions forecast for Cape Mendocino over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 11°C on Fri morning, min 6°C on Sat night). Winds decreasing (fresh winds from the SSE on Fri morning, calm by Sun night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Wed morning, min 10°C on Mon morning). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
!
2
!
1
0
0
0
0
0
2
0
3
3
2
3
3
2
3
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
3
WNW
2.4
SW
3
NW
2.3
NW
2.5
NW
0.3
SW
0.1
SW
0.2
SSW
0.2
SSW
0.7
NW
1.2
WNW
1.6
NW
1.5
WNW
1.5
W
1.5
W
1.4
W
1.5
W
1.5
W
1.4
WNW
1.3
W
1.1
W
Period(s) (?)141010101014141413141312131312111312121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)36751077217496411533381817214451730713775647493747672550410275
Wind
(km/h)
35
SSE
20
N
30
N
30
N
35
N
25
NNE
20
NNE
15
NNE
5
S
10
NNE
15
N
5
ENE
5
ESE
5
NNW
5
ESE
5
ESE
5
S
10
SE
20
SSE
20
SSE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
glasscross-
off
crosscross-
off
glasscrossglassglasscrosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:02PM
1.32
4:32AM
1.65
4:26PM
1.18
5:12AM
1.76
6:05PM
1.12
5:54AM
1.86
7:41PM
1.16
6:39AM
1.97
8:58PM
1.25
7:28AM
2.06
10:02PM
1.36
8:18AM
2.12
10:54PM
1.45
Low Tide
/ height (m)
10:03AM
0.80
9:47PM
0.22
11:15AM
0.61
10:37PM
0.40
12:21PM
0.37
11:31PM
0.58
1:21PM
0.12
12:30AM
0.74
2:16PM
-0.12
1:31AM
0.86
3:08PM
-0.32
2:31AM
0.93
3:58PM
-0.45
3:29AM
0.94
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Sunrise7:39--7:39--7:39--7:39--7:39--7:39--7:39--
Sunset-4:57--4:57--4:58--4:59--4:59--5:00--5:00-
rain showers
light rain
rain showers
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
Rain (mm)
811-----------------5
Temp. °C1110109979109111010131211151313131213
Feels °C (?)46221146676711109141210887
  • 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 12 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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