Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 am Saturday 21 Mar 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
10.1° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Cape Mendocino today?

The current surf forecast for Cape Mendocino at 4PM is: 0.5m 15s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a West direction (forecast issued at 10:00am March 21). An open ocean swell of 2.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (21 Mar)3.5ft (1.0m)11s
Afternoon (21 Mar)1.5ft (0.5m)15s
Evening (21 Mar)1.5ft (0.5m)15s

Table - waves today at Cape Mendocino. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tue
24
8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
!
!
!
2
2
1
2
3
4
4
2
Swell
Height Map
Wave Height (m) & direction (?)
1
NW
1
NW
0.5
SSW
0.5
SSW
0.5
SSW
0.5
SSW
0.5
SSW
0.5
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.3
SW
1.2
NW
3
NW
3
NW
3
NW
2.5
NW
2.4
NW
2.3
NW
2.1
NW
1.8
NW
1.8
NW
1.6
NW
1.5
NW
Period(s) (?)111015151514141414141421111010101010101211111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)220212125123121120120118807977733321531156313681260112610281111802729617524
Wind
(km/h)
30
N
30
N
35
N
35
N
35
N
35
N
35
N
30
N
30
N
25
N
25
NNW
30
N
25
N
25
N
20
N
20
N
15
N
10
NNW
15
NW
10
NW
10
NNW
5
NNE
5
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crossglasscross-
off
cross-
off
High Tide
/ height (m)
2:06PM
1.43
1:37AM
1.87
3:11PM
1.31
2:19AM
1.86
4:30PM
1.23
3:09AM
1.81
Low Tide
/ height (m)
7:49AM
-0.07
7:40PM
0.53
8:41AM
-0.13
8:23PM
0.69
9:39AM
-0.14
9:14PM
0.85
Saturday
21
Sunday
22
Monday
23
Tue
24
Sunrise7:18-------7:18-------7:16-------
Sunset---7:30-------7:30-------7:31----
cloud
part cloud
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
cloud
clear
Rain (mm)
------------------------
Temp. °C10111110888881111119899911121211111213
Feels °C (?)4542101225554355589999108
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Mendocino surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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