K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 4 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
23.1°C
2.8° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.7m), 13s period with SSW swell.

The current surf forecast for K-181 at 9AM is: 0.6m 19s primary swell from a Southwest direction and 0.7m 14s secondary swell from a Southwest direction, 0.5m 4s secondary swell from a West-northwest direction (forecast issued at 04:00am September 18). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Sep)2ft (0.6m)19s
Afternoon (18 Sep)2ft (0.6m)19s
Evening (18 Sep)2.5ft (0.7m)13s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Fri afternoon, min 19°C on Fri morning). Winds decreasing (fresh winds from the NW on Fri afternoon, light winds from the NW by Sun night).

Friday
18
Saturday
19
Sunday
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)
1
2
2
0
0
0
0
0
0
0
1
0
0
0
0
1
2
2
2
1
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)
0.8
SSW
14
0.6
SW
20
0.6
SW
19
0.6
SW
19
0.6
SW
19
0.6
SW
19
0.7
SSW
13
0.5
SW
19
0.5
SW
19
0.6
SW
18
0.7
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
17
0.8
SW
17
Wave Graph
Metric surfscale
Energy kJ
268
306
303
303
303
303
156
183
177
263
311
375
375
370
375
375
375
375
370
437
447
432
423
418
Wind (km/h)
15
NW
15
NW
15
NW
20
WNW
30
NW
30
NW
25
NW
20
NW
20
NW
15
NNW
15
NW
20
WNW
25
WNW
25
WNW
20
NW
15
NW
15
NW
10
NW
15
NW
15
WNW
20
W
20
NW
15
NW
15
NW
Wind State
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:04PM1.61m
8:31AM1.37m
4:09PM1.61m
7:44AM1.43m
5:26PM1.69m
Low Tide
11:27PM0.67m
9:53AM1.37m
00:19AM0.57m
11:47AM1.27m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:45
6:45
 mm
Temp °C
18
18
19
21
22
22
20
19
19
19
20
22
22
22
20
20
19
19
19
21
22
21
20
19
Feels °C
18
17
19
19
18
18
18
17
18
18
20
20
19
19
19
20
19
19
19
21
22
20
19
19
  • 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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