K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 10 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
24.0°C
3.6° 

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 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 2.5ft (0.8m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.8m), 14s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2.5ft (0.7m), 14s period with SW swell.

The current surf forecast for K-181 at 3PM is: 0.8m 14s primary swell from a Southwest direction and 0.8m 6s secondary swell from a West-northwest direction (forecast issued at 10:00am September 12). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Sep)2.5ft (0.8m)14s
Afternoon (12 Sep)2.5ft (0.8m)14s
Evening (12 Sep)2.5ft (0.7m)14s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Sun afternoon, min 19°C on Mon night). Winds increasing (calm on Sat morning, fresh winds from the WNW by Sun afternoon).

Saturday
12
Sunday
13
Monday
14
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
2
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)
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.7
SW
14
0.7
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.6
SW
13
0.6
SW
13
0.6
SW
13
0.6
SW
13
1.2
WNW
7
0.5
SW
19
1.3
WNW
9
1.3
WNW
9
1.4
WNW
9
1.4
WNW
9
1.4
WNW
9
1.4
WNW
9
1.3
WNW
9
1.2
WNW
9
Wave Graph
Metric surfscale
Energy kJ
251
248
245
198
198
158
119
114
113
111
109
111
136
179
257
268
315
315
315
322
274
227
Wind (km/h)
0
SSW
5
W
15
WNW
20
NW
20
NW
15
NW
15
NW
15
NW
15
NW
25
WNW
30
WNW
30
NW
20
NW
15
NW
15
NW
10
NW
10
NW
15
WNW
20
WNW
15
WNW
10
WNW
5
WNW
Wind State
glassy
on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:09AM2.02m
10:26PM1.82m
10:36AM2.02m
11:06PM1.63m
11:03AM1.98m
Low Tide
4:23PM0.44m
4:21AM0.55m
5:05PM0.46m
4:43AM0.72m
5:49PM0.53m
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:53
6:52
 mm
Temp °C
21
23
23
23
22
22
21
21
22
23
24
23
21
21
21
20
20
22
22
22
20
19
Feels °C
24
25
24
22
22
22
21
21
22
21
21
20
20
21
22
21
21
22
21
22
21
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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