Cape Mendocino surfForecast / CAL – Humboldt / USA

information circle48hr Weather and Surf, issued 10 am Sunday 31 May 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
9.6° C
(Which is 2.8°C colder than average for this time of year)

How big are the waves at Cape Mendocino today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 8ft (2.5m), 9s period with NW swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 8ft (2.5m), 9s period with NW swell.
  • Evening surf: Evening surf (31 May, local time) - 2.5ft (0.8m), 20s period with SSW swell.

The current surf forecast for Cape Mendocino at 3PM is: 2.5m 9s primary swell from a Northwest direction and 0.8m 21s secondary swell from a South-southwest direction, 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 10:00am May 31). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (31 May)8ft (2.5m)9s
Afternoon (31 May)8ft (2.5m)9s
Evening (31 May)2.5ft (0.8m)20s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 15°C on Mon morning, min 9°C on Sun morning). Mainly fresh winds.

Sunday
31
Monday
1
Tuesday
2
Wed
3
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
Rating
(10 max)
1
1
1
!
0
2
1
1
1
0
1
1
1
1
1
1
1
0
0
1
1
2
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.5
NW
9
2.5
NW
9
2.5
NW
9
3
NW
9
0.8
SSW
20
0.8
SSW
20
0.8
SSW
20
1
SSW
19
1
SSW
19
1
SSW
18
0.9
SSW
18
0.9
SSW
18
1
SSW
18
1
SSW
18
1
SSW
18
1
SSW
17
1
SSW
17
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1073
1058
1149
1247
437
485
485
708
694
637
508
497
651
644
637
629
601
566
552
539
532
532
525
525
Wind (km/h)
25
N
30
NNW
30
N
30
N
25
N
15
N
20
N
20
N
20
N
20
NNW
25
NNW
25
NNW
20
N
20
N
20
N
15
N
15
NNW
20
NNW
20
NNW
25
N
20
N
15
NNE
15
N
20
N
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross
High Tide
1:30PM1.27m
11:28PM1.73m
2:11PM1.27m
00:03AM1.70m
2:50PM1.27m
00:41AM1.66m
Low Tide
6:27AM-0.27m
6:02PM0.94m
7:01AM-0.27m
6:40PM0.98m
7:37AM-0.26m
7:19PM1.00m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:39
8:40
8:42
8:42
Temp °C
9
12
13
12
11
9
9
10
12
15
14
14
12
11
10
10
12
13
14
14
13
12
12
11
3
6
7
5
6
5
5
6
8
11
9
9
8
7
6
7
9
10
10
10
9
9
9
7
Swell 1
Height (m)
Direction
Period (s)
0.5
SSW
22
0.5
SSW
21
0.8
SSW
21
0.8
SSW
20
0.9
WNW
11
1.5
WNW
10
1.3
WNW
10
2.4
NNW
9
2.3
NNW
9
1
SSW
18
0.9
SSW
18
0.9
SSW
18
1.2
WNW
9
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
Energy kJ
263
260
502
455
186
485
302
948
859
637
508
497
236
203
199
180
186
566
552
539
532
532
525
525
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
13
0.4
SSW
18
0.3
SSW
13
0.4
SW
16
0.8
SSW
20
0.8
SSW
20
0.8
SSW
20
1.2
WNW
10
1.1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.4
SSW
15
1
SSW
18
1
SSW
18
1
SSW
18
1
SSW
17
1
SSW
17
1
WNW
8
0.1
S
14
0.7
WNW
8
0.7
WNW
8
0.9
WNW
8
0.6
WNW
8
0.6
WNW
12
Energy kJ
66
124
32
67
437
485
485
283
240
168
151
87
651
644
637
629
601
134
4
59
58
96
46
113
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
18
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.4
SW
16
0.4
SSW
16
0.4
SSW
16
1
SSW
19
1
SSW
19
0.1
S
13
0.4
SSW
15
0.2
SSW
12
0.1
S
13
0.1
S
13
0.1
S
13
0.2
S
14
0.2
S
14
0.1
S
14
0.1
S
12
0.1
S
15
0.2
SSW
22
0.2
SSW
21
0.3
WNW
12
0.3
SSW
21
Energy kJ
123
33
32
32
66
103
105
708
694
4
86
14
3
3
3
15
15
4
3
4
45
45
31
85
Wind waves
Height (m)
Direction
Period (s)
2.5
NW
9
2.5
NW
9
2.5
NW
9
3
NW
9
2.5
NNW
9
2.5
NNW
9
2.5
NNW
9
2.2
NNW
9
2.1
NNW
9
2.2
NW
9
1.7
NNW
8
1.6
NNW
8
1.5
NNW
8
1.4
NNW
8
1.1
NNW
8
1.2
NNW
7
1.5
NW
7
1.3
NNW
7
1.1
NW
7
0.9
NNW
7
1
NW
6
0.9
NW
6
Energy kJ
1073
1058
1149
1247
1183
1146
1177
777
684
695
385
322
257
204
143
144
218
145
111
77
75
60
Nearest Offshore or Glassy
Rating
(10 max)
4
3
3
2
4
4
4
4
4
3
3
4
4
3
3
3
4
2
2
3
3
3
3
3
Distance (km)
54
316
316
437
134
41
41
40
51
244
294
51
51
54
40
40
54
151
151
54
54
40
40
54
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
4
4
4
4
4
4
3
3
4
4
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
4
5
4
4
4
4
3
4
4
4
4
4
4
3
3
3
3
3
4
4
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
4
5
5
5
8
5
4
6
4
5
4
5
5
5
4
4
5
  • 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

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