Mad River Beach Surf Break

Lat Long: 40.91° N 124.15° W

Issued: 4 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mad River Beach sea temperature is
11.9° C

Slightly cooler than normal

Mad River Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Mad River Beach surf forecast from 21 Jun 2026:

  • Best quality surf: Sunday 21 Jun, 11PM (local time) - 7ft (2.1m), 8s period, NW swell with glassy winds.
  • Most powerful swell: Saturday 27 Jun, 11PM (local time) - 8ft (2.4m), 10s period, NW swell with 1,149 kJ wave energy.
  • Next surfable swell (1★+): Sunday 21 Jun, 11PM (local time) - 7ft (2.1m), 8s period with NW swell.

Best Forecast Surf Conditions for Mad River Beach this week:

The surf forecast for Mad River Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 21) at 11PM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 0.6m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mad River Beach in the next 16 days are 2.4m 10s and forecast to arrive on Saturday (Jun 27) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 21st Jun)7ft (2.1m) 8s
Best Surf11PM (Sun 21st Jun)7ft (2.1m) 8s
Most Powerful11PM (Sat 27th Jun)8ft (2.4m) 10s

Table - best surf conditions forecast for Mad River Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Wed morning, min 11°C on Wed night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
2
2
0
3
1
1
3
1
1
3
0
0
1
0
1
3
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
NW
8
2
NW
8
2
NW
8
1.8
NW
8
1.8
NW
8
2
NW
8
1.7
NW
8
1.6
NW
8
2.2
NW
8
1.9
NW
8
2.1
NW
8
2.1
NW
8
1.7
NNW
7
1.4
NW
7
0.6
SW
15
0.4
SW
19
0.4
SW
19
1.9
WNW
10
2
WNW
10
2.1
WNW
10
2.4
NW
8
Wave Graph
Metric surfscale
Energy kJ
262
527
527
437
437
515
328
313
650
461
557
543
289
203
181
131
131
692
839
926
754
Wind (km/h)
10
NW
15
NNW
5
S
10
WNW
10
NW
10
SSE
10
WNW
10
NW
0
N
10
NNW
10
NNW
5
E
15
NW
15
NNW
5
E
10
SW
5
NNW
5
NNE
20
NNW
25
NNW
20
NNE
Wind State
cross-on
cross
cross
cross-on
cross-on
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross
off
cross-on
cross-on
glassy
cross-on
cross
cross-off
High Tide
7:11PM2.15m
7:10AM1.58m
7:55PM2.21m
8:32AM1.45m
8:37PM2.26m
9:59AM1.43m
9:18PM2.30m
11:17AM1.48m
9:59PM2.33m
12:18PM1.57m
10:39PM2.36m
1:05PM1.64m
11:18PM2.38m
Low Tide
12:07PM0.14m
1:20AM0.57m
12:55PM0.40m
2:30AM0.41m
1:45PM0.65m
3:32AM0.23m
2:38PM0.85m
4:25AM0.08m
3:31PM1.00m
5:10AM-0.05m
4:22PM1.09m
5:51AM-0.15m
5:09PM1.14m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:45
5:45
5:45
5:45
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:51
8:52
8:52
8:52
8:52
8:52
8:52
 mm
Temp °C
15
15
12
16
16
13
17
18
15
17
17
13
14
15
13
16
16
15
15
15
13
Feels °C
13
13
11
15
15
12
16
17
14
16
15
12
12
12
11
15
16
14
11
10
9
Swell 1
Height (m)
Direction
Period (s)
1.4
NW
8
2
NW
8
2
NW
8
1.8
NW
8
1.8
NW
8
2
NW
8
1.7
NW
8
1.6
NW
8
2.2
NW
8
1.9
NW
8
2.1
NW
8
2.1
NW
8
1.7
NNW
7
1.4
NW
7
0.7
NNW
6
0.5
SW
15
0.7
WNW
7
1.9
WNW
10
2
WNW
10
2.1
WNW
10
2.4
NW
8
Energy kJ
262
527
527
437
437
515
328
313
650
461
557
543
289
163
28
104
40
692
839
926
754
Swell 2
Height (m)
Direction
Period (s)
1.3
NNW
8
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.4
SW
16
0.4
SW
13
0.4
SW
13
0.6
SW
15
0.5
SW
18
0.5
SW
18
0.5
SW
16
0.5
SW
16
0.6
SW
16
0.6
SW
15
0.4
NNW
6
0.5
SW
15
0.7
SW
17
0.6
SW
18
0.6
SW
18
0.6
SW
16
Energy kJ
176
155
167
130
127
94
61
61
136
155
154
132
127
203
181
12
104
280
194
192
163
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
13
0.3
SW
20
0.4
SW
18
0.4
SW
18
0.4
SW
18
0.4
SW
13
0.4
SW
16
0.4
SW
16
0.4
SW
19
0.4
SW
15
0.4
SW
15
0.3
SW
13
0.3
SW
13
0.3
WNW
10
0.4
W
4
0.4
SW
19
0.4
SW
19
0.3
SW
13
Energy kJ
109
60
113
111
80
61
91
90
95
75
75
27
27
20
6
131
131
28
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
2
1
3
1
2
3
3
2
3
2
2
1
1
2
3
4
2
4
Distance (km)
373
100
13
96
96
0
96
93
0
238
816
0
629
158
0
98
10
0
158
835
39
Best forecast wave conditions in Humboldt County
Rating
(10 max)
3
3
3
3
3
3
3
3
1
2
3
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
2
3
3
3
3
3
3
2
3
2
2
4
2
2
3
4
2
5
Header Global
Rating
(10 max)
5
7
5
6
5
5
5
7
8
8
6
5
6
5
5
5
5
5
5
8
9
  • 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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Information about the Mad River Beach Surf forecast

The above surf forecast table for Mad River Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mad River Beach can be found by selecting the local surf guide option on the grey menu. Our Mad River Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mad River Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Mad River Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Mad River Beach is 6 km (4 miles) from McKinleyville. If you plan a vacation in Humboldt County, look for hotels and other accommodation in McKinleyville. McKinleyville has rooms for a wide range of budgets as well as car hire and transport links.

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