K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 4 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
20.2° C
0.1° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 16s period with SW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 14s period with SW swell.

The current surf forecast for K-181 at 7AM is: 0.7m 16s primary swell from a Southwest direction and 0.5m 13s secondary swell from a Southwest direction, 1.0m 6s secondary swell from a West-northwest direction (forecast issued at 04:00am August 18). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Aug)2ft (0.6m)16s
Afternoon (18 Aug)2ft (0.6m)16s
Evening (18 Aug)2.5ft (0.7m)14s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue afternoon, min 20°C on Wed night). Winds decreasing (fresh winds from the NW on Tue afternoon, calm by Thu morning).

Tuesday
18
Wednesday
19
Thursday
20
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)
0
0
0
0
0
0
0
0
1
1
0
0
0
0
2
2
1
2
2
1
1
1
2
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)
0.9
SW
16
0.9
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
14
0.9
SW
15
0.9
SW
15
0.9
SW
15
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.7
SW
15
0.7
SW
15
0.7
SW
14
0.7
SW
14
0.8
SSW
14
0.7
SW
14
0.7
SW
14
0.7
SW
14
0.7
SW
14
0.7
SW
14
Wave Graph
Metric surfscale
Energy kJ
362
371
211
214
216
211
158
309
318
335
349
353
353
353
236
217
214
211
264
211
211
208
203
191
Wind (km/h)
15
NW
15
NW
15
NW
25
WNW
30
WNW
30
NW
20
NW
15
NW
10
NW
10
NW
10
NW
15
WNW
10
W
15
WNW
5
WNW
5
WNW
5
WNW
5
WNW
5
S
10
SW
10
WSW
5
WSW
5
NW
5
NW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-on
cross-on
on
cross-on
glassy
glassy
cross-on
glassy
glassy
cross-on
on
on
glassy
cross-on
High Tide
1:05AM1.31m
1:16PM1.78m
2:43AM1.14m
2:07PM1.72m
3:26PM1.68m
Low Tide
6:21AM0.90m
8:48PM0.80m
6:28AM1.05m
10:43PM0.76m
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:24
7:23
7:22
 mm
Temp °C
22
22
23
24
25
24
22
22
21
21
22
24
23
22
20
21
21
22
22
24
24
23
22
23
Feels °C
22
22
23
23
23
21
21
22
21
22
22
25
24
23
22
23
23
24
24
25
25
25
24
24
  • 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 

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 K-181 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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