Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle16 Day Weather and Surf, issued 4 am Monday 06 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
9.9° C
(Which is 1.3°C colder than average for this time of year)

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 Monday (Apr 06) at 11AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 1.0m and 11s. 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 10s and forecast to arrive on Sunday (Apr 12) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Friday (Apr 10) at 2AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 6th Apr)2.5ft (0.8m) 16s
Best Surf11AM (Mon 6th Apr)2.5ft (0.8m) 16s
Most Powerful 5PM (Sun 12th Apr)6ft (1.9m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Wed night. Very mild (max 15°C on Mon morning, min 11°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Sat afternoon. Very mild (max 13°C on Thu morning, min 8°C on Sat night). Wind will be generally light.

Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
2
2
1
1
2
2
0
2
1
1
3
2
2
3
2
0
1
1
0
2
Swell
Height Map
Wave Height (m) & direction (?)
0.8
S
0.8
S
0.7
S
0.9
S
0.8
S
0.7
S
0.5
SW
0.6
S
0.6
SW
0.7
WNW
0.7
SW
0.8
SSW
0.9
SSW
0.8
SSW
0.9
SSW
0.9
SSW
0.6
SSW
0.8
SSW
1.2
WNW
1.9
NW
1.8
NW
Period(s) (?)161515141414181316161616181615161716111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)306283212325236179154123211215278343486314358412224280302710585
Wind
(km/h)
5
WSW
5
NW
0
N
10
WNW
15
N
10
NNE
5
NW
10
NNW
15
N
10
NNW
15
NNW
15
N
15
NNW
15
NNW
5
NW
10
SSW
15
W
5
NNW
15
N
25
NNW
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
glasscross-
on
crosscross-
off
glasscrosscross-
off
crosscrosscross-
off
crosscrossglasscrossoncrosscrosscrosscross
High Tide
/ height (m)
4:01PM
1.16
2:17AM
1.57
5:18PM
1.12
3:04AM
1.50
6:45PM
1.14
4:02AM
1.44
7:49PM
1.19
5:11AM
1.39
8:29PM
1.25
6:24AM
1.38
8:58PM
1.32
7:33AM
1.41
9:23PM
1.41
Low Tide
/ height (m)
9:04AM
-0.00
8:39PM
0.94
9:53AM
0.05
9:31PM
1.02
10:51AM
0.10
10:53PM
1.06
11:57AM
0.12
12:28AM
1.04
1:01PM
0.12
1:40AM
0.95
1:56PM
0.11
2:34AM
0.81
2:43PM
0.10
3:19AM
0.64
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Sunrise6:52--6:52--6:50--6:48--6:47--6:45--6:43--
Sunset-7:46--7:47--7:49--7:50--7:51--7:52--7:52-
clear
clear
clear
clear
part cloud
part cloud
clear
clear
rain showers
rain showers
part cloud
cloud
clear
clear
part cloud
light rain
heavy rain
rain showers
part cloud
cloud
cloud
Rain (mm)
--------11-----2113---
Temp. °C15151314151215141313131212131110109111210
Feels °C (?)1313121212812111111989108888765
  • Map Icons:
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  • 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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