Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 am Saturday 18 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
11.4° C
(Which is normal for this time of year)

How big are the waves at Cape Mendocino today?

The current surf forecast for Cape Mendocino at 3PM is: 0.8m 15s primary swell from a South-southwest direction and 0.9m 8s secondary swell from a Northwest direction (forecast issued at 10:00am April 18). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Apr)2.5ft (0.7m)16s
Afternoon (18 Apr)2.5ft (0.8m)15s
Evening (18 Apr)2.5ft (0.7m)15s

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


Updates in  hr  min  s Forecast update imminent
Saturday
18
Sunday
19
Monday
20
Tue
21
8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM
Rating
(10 max)
2
1
0
1
1
0
2
1
1
0
0
0
2
1
1
2
2
2
3
2
3
4
4
3
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
1.6
WSW
1.2
W
0.8
SSW
0.9
WNW
1.6
WNW
2.1
WNW
2.4
WNW
2.3
WNW
2.1
WNW
2
WNW
1.8
WNW
1.7
WNW
Period(s) (?)1615151515151414141414148813151413121212121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)25327025224618818821521523322922021332318620434891514421759157312471082846705
Wind
(km/h)
15
NNE
10
NNW
10
NW
10
NNW
5
NE
10
S
15
SSE
20
SSE
25
SSE
25
SSE
30
S
30
SSE
20
SSE
20
S
15
ESE
25
SE
25
SSE
30
SSE
20
SSE
25
SSE
15
SE
15
SE
15
SE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
cross-
on
glasscrosscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
1:18PM
1.43
12:21AM
1.94
2:18PM
1.37
1:04AM
1.93
3:24PM
1.33
1:52AM
1.87
Low Tide
/ height (m)
6:47AM
-0.34
6:34PM
0.61
7:35AM
-0.42
7:19PM
0.73
8:27AM
-0.42
8:10PM
0.84
Saturday
18
Sunday
19
Monday
20
Tue
21
Sunrise6:35-------6:33-------6:31-------
Sunset---7:59--------8:00-------8:00---
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
cloud
light rain
light rain
Rain (mm)
-------------23528841-13
Temp. °C101313131212111112141414131111101111111211111111
Feels °C (?)6101010119766887878566778889
  • 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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