K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 4 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
21.0° C
0.7° 

K-181 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at K-181 today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2ft (0.6m), 17s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.

The current surf forecast for K-181 at 9AM is: 0.6m 17s primary swell from a Southwest direction and 0.4m 4s secondary swell from a West-northwest direction (forecast issued at 04:00am August 12). An open ocean swell of 0.5m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Aug)2ft (0.6m)17s
Afternoon (12 Aug)2.5ft (0.7m)16s
Evening (12 Aug)1.5ft (0.5m)16s

Table - waves today at K-181. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 22°C on Wed morning, min 19°C on Wed night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
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
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
0
0
0
0
0
1
0
1
0
0
0
0
1
1
2
0
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SSW
18
0.4
SW
18
0.5
SW
17
0.6
SW
16
0.7
SW
16
0.7
SW
16
0.5
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
0.7
SW
15
0.8
SW
15
0.7
SW
18
0.7
SW
18
0.7
SW
18
0.9
SW
18
1.1
SW
17
Wave Graph
Metric surfscale
Energy kJ
121
79
142
214
254
254
127
251
251
248
245
242
291
344
344
335
313
209
272
327
323
323
449
687
Wind (km/h)
15
NW
15
WNW
10
WNW
15
WNW
20
W
20
WNW
15
WNW
10
WNW
15
WNW
10
WNW
10
WNW
15
W
15
W
20
WNW
15
WNW
15
WNW
10
NW
10
WNW
10
WNW
15
W
20
WNW
20
WNW
20
NW
15
NW
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:54AM1.73m
9:16PM2.34m
10:27AM1.80m
9:59PM2.21m
10:59AM1.85m
10:42PM2.02m
Low Tide
3:32AM-0.06m
3:07PM0.74m
4:07AM0.01m
3:54PM0.68m
4:40AM0.14m
4:41PM0.65m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:31
7:30
7:30
 mm
Temp °C
20
20
21
22
22
21
20
20
20
19
20
20
21
21
20
19
19
19
19
21
21
21
20
20
Feels °C
21
20
23
23
22
20
20
21
20
20
21
20
20
20
20
19
20
20
19
21
20
20
19
20
  • 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
How to use the Wavefinder 

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