K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 4 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
22.1°C
1.8° 

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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 3ft (0.9m), 17s period with SW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 17s period with SW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 3ft (0.9m), 16s period with SW swell.

The current surf forecast for K-181 at 12PM is: 0.9m 17s primary swell from a Southwest direction and 0.4m 12s secondary swell from a South-southwest direction, 0.6m 7s secondary swell from a West-northwest direction (forecast issued at 04:00am September 21). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (21 Sep)3ft (0.9m)17s
Afternoon (21 Sep)3.5ft (1.0m)17s
Evening (21 Sep)3ft (0.9m)16s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Tue afternoon, min 19°C on Mon morning). Winds decreasing (fresh winds from the WNW on Tue afternoon, calm by Tue night).

Monday
21
Tuesday
22
Wednesday
23
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
2
2
0
0
0
0
1
2
2
1
0
0
0
1
2
2
2
2
0
1
0
1
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
17
0.9
SW
17
0.9
SW
17
0.9
SW
17
1
SW
17
1
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.8
SW
16
0.8
SW
15
0.9
SW
15
0.9
SW
15
0.8
SW
15
0.8
SW
15
Wave Graph
Metric surfscale
Energy kJ
482
476
470
470
549
536
454
443
432
421
416
416
416
421
421
421
416
411
339
322
365
360
305
301
Wind (km/h)
10
NW
5
WNW
10
NW
15
WNW
20
WNW
20
NW
20
NW
20
NW
15
NW
15
NNW
10
NNW
20
WNW
30
WNW
30
NW
20
NW
15
NW
10
NW
5
NW
5
NNW
10
W
15
W
15
WNW
10
WNW
5
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:47AM1.50m
6:16PM1.80m
7:57AM1.58m
6:55PM1.88m
8:10AM1.67m
7:31PM1.94m
Low Tide
00:54AM0.47m
12:30PM1.15m
1:21AM0.40m
1:04PM1.01m
1:45AM0.35m
1:36PM0.85m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:42
6:40
 mm
Temp °C
19
19
19
21
21
21
20
19
19
19
19
21
22
21
20
20
20
19
20
22
22
21
20
20
Feels °C
19
20
20
20
19
19
19
18
18
18
18
19
18
18
19
20
21
20
22
23
22
21
21
22
  • 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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