Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 4 pm Tuesday 21 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)

How big are the waves at Cape Mendocino today?

The current surf forecast for Cape Mendocino at 11PM is: 1.4m 10s primary swell from a West-northwest direction and 0.6m 16s secondary swell from a West-northwest direction (forecast issued at 04:00pm April 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (21 Apr)--
Afternoon (21 Apr)5ft (1.5m)10s
Evening (21 Apr)4.5ft (1.4m)10s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM
Rating
(10 max)
1
1
1
3
3
3
3
2
1
0
2
2
3
4
3
2
0
0
0
2
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
WNW
1.4
WNW
1.4
WNW
1.4
WNW
1.3
WNW
0.8
WNW
0.9
WNW
1
WNW
1.1
WNW
1.1
WNW
1.3
WNW
1.3
WNW
1.4
WNW
1.9
NW
1.3
WNW
1.6
WNW
1.3
WNW
1.3
WNW
1.2
WNW
1
WNW
1
WNW
0.9
WNW
0.9
WNW
0.8
WNW
Period(s) (?)111010101015151414141414141313131313121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5113963883562832873344374674536126217421327624888528504417309278230222180
Wind
(km/h)
15
SW
10
SW
10
SSW
10
SSE
15
SE
15
SE
5
SE
10
WSW
10
WNW
15
NNW
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
25
N
30
N
30
N
25
N
25
N
25
N
20
N
20
N
15
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
ononcross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscross-
off
cross-
off
crosscrosscross
High Tide
/ height (m)
4:34PM
1.30
2:49AM
1.77
5:46PM
1.32
3:56AM
1.65
6:52PM
1.37
5:12AM
1.54
Low Tide
/ height (m)
9:14PM
0.92
10:29AM
-0.28
10:36PM
0.95
11:38AM
-0.19
12:07AM
0.89
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sunrise------6:28-------6:26-------6:26-
Sunset--8:01-------8:02-------8:04-----
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
Rain (mm)
11111-------------------
Temp. °C12121110991012121211998910111198891012
Feels °C (?)9997568109885655545333468
  • 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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