Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 4 pm Sunday 19 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 12AM is: 1.4m 8s primary swell from a Southwest direction and 0.8m 13s secondary swell from a South-southwest direction (forecast issued at 04:00pm April 19). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (20 Apr)--
Afternoon (20 Apr)2.5ft (0.8m)14s
Evening (20 Apr)5ft (1.5m)8s

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


Updates in  hr  min  s Forecast update imminent
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM
Rating
(10 max)
0
0
1
2
2
2
3
3
3
2
3
3
4
3
3
3
2
2
3
3
3
3
3
1
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.8
SSW
1.6
WSW
1.5
WSW
1.4
SW
0.9
WNW
1.6
WNW
2.1
WNW
2.4
WNW
2.3
WNW
2.1
WNW
2
WNW
1.9
WNW
1.7
WNW
1.6
WNW
1.5
WNW
1.4
WNW
1.4
WNW
1.4
WNW
1.3
WNW
1.4
W
0.8
WNW
0.9
WNW
1
WNW
Period(s) (?)14148881514131212121211111111111010109151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22021332329221535391514421759157312681100934718619531452396388325347281334437
Wind
(km/h)
30
S
25
S
20
S
20
SSE
15
SE
15
SE
20
SSE
20
SE
25
SE
30
SSE
20
SE
20
SSE
15
SE
15
ESE
15
ESE
10
ESE
10
SSW
5
W
5
NNE
5
NE
5
ENE
0
SSE
5
S
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
crossoncross-
off
cross-
off
glassglassglasscross-
on
High Tide
/ height (m)
2:18PM
1.37
1:04AM
1.93
3:24PM
1.33
1:52AM
1.87
4:34PM
1.30
2:49AM
1.77
Low Tide
/ height (m)
7:19PM
0.73
8:27AM
-0.42
8:10PM
0.84
9:25AM
-0.37
9:14PM
0.92
10:29AM
-0.28
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Sunrise------6:31-------6:30-------6:28-
Sunset--8:00-------8:00-------8:01-----
cloud
cloud
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
light rain
rain showers
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
clear
clear
part cloud
light rain
Rain (mm)
--11110103111-2221111----1
Temp. °C151413121210101112121110101011131313121110101111
Feels °C (?)99989766767577810111111989108
  • 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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