K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 10 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
23.6°C
3.2° 

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 (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 2ft (0.6m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 1.5ft (0.5m), 20s period with SSW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 3ft (0.9m), 9s period with WNW swell.

The current surf forecast for K-181 at 1PM is: 0.6m 16s primary swell from a Southwest direction and 0.9m 9s secondary swell from a West-northwest direction (forecast issued at 10:00am September 15). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (15 Sep)2ft (0.6m)16s
Afternoon (15 Sep)1.5ft (0.5m)20s
Evening (15 Sep)3ft (0.9m)9s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Wed afternoon, min 18°C on Wed night). Wind will be generally light.

Tuesday
15
Wednesday
16
Thursday
17
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)
2
1
1
0
1
1
2
2
2
0
0
0
0
0
2
2
1
0
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
16
0.6
SW
16
0.5
SSW
20
0.9
WNW
9
0.9
WNW
9
0.6
SW
16
0.7
SSW
18
0.8
SSW
18
0.8
SSW
18
0.7
SSW
18
0.6
SSW
17
0.7
SSW
16
0.8
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.8
SSW
15
0.9
SW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
Wave Graph
Metric surfscale
Energy kJ
163
159
216
149
146
157
273
395
390
270
193
232
330
447
402
397
314
256
309
372
372
272
Wind (km/h)
5
S
10
WSW
10
WSW
10
W
10
WNW
10
NW
5
NW
5
NW
5
NW
15
W
15
WNW
20
WNW
10
NW
10
NW
10
NW
10
NNW
10
NW
15
WNW
25
WNW
25
WNW
20
NW
15
NW
Wind State
glassy
on
on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
11:30AM1.91m
00:47AM1.25m
12:01PM1.81m
2:57AM1.13m
12:42PM1.70m
Low Tide
5:01AM0.88m
6:41PM0.62m
5:10AM1.02m
7:53PM0.71m
4:28AM1.13m
9:47PM0.74m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:50
6:49
 mm
Temp °C
19
20
20
20
19
19
19
19
19
20
21
20
19
18
18
18
18
21
21
21
19
19
Feels °C
21
20
20
20
19
20
20
20
20
20
20
19
19
18
18
18
18
20
19
18
17
18
  • 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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