K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 4 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
21.1°C
0.5° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 3.5ft (1.0m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 2.5ft (0.7m), 13s period with SW swell.
  • Evening surf: Evening surf (08 Sep, local time) - 2.5ft (0.7m), 13s period with SW swell.

The current surf forecast for K-181 at 12PM is: 1.0m 10s primary swell from a South-southwest direction and 0.7m 13s secondary swell from a Southwest direction, 0.8m 5s secondary swell from a West-northwest direction (forecast issued at 04:00am September 08). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (08 Sep)3.5ft (1.0m)10s
Afternoon (08 Sep)2.5ft (0.7m)13s
Evening (08 Sep)2.5ft (0.7m)13s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Wed afternoon. Warm (max 28°C on Tue morning, min 21°C on Thu night). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
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)
2
2
3
2
0
2
1
2
2
2
2
1
2
1
2
2
2
2
2
2
2
2
3
3
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)
1.3
SSW
11
1.2
SSW
10
1.1
SSW
10
1
SSW
10
1
SSW
10
0.7
SW
13
0.9
SSW
10
0.6
SW
16
0.7
SW
13
0.7
SSW
13
0.6
SW
16
0.7
SW
16
0.6
SW
18
0.7
SW
17
0.7
SW
17
0.8
SW
17
0.8
SW
17
0.9
SW
17
0.9
SW
17
1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
16
Wave Graph
Metric surfscale
Energy kJ
346
277
245
204
200
175
161
175
175
151
214
260
194
270
280
408
408
476
459
517
492
480
474
474
Wind (km/h)
10
NNW
10
NNW
5
NW
5
SW
15
WNW
10
NW
10
NW
0
N
0
NE
0
E
0
SW
5
WSW
5
WNW
5
WNW
5
SE
5
WNW
15
NW
10
NW
5
W
5
W
10
W
5
WNW
5
WNW
5
WSW
Wind State
cross
cross
glassy
on
cross-on
cross
cross
glassy
glassy
glassy
glassy
on
glassy
cross-on
glassy
cross-on
cross
cross-on
cross-on
on
on
cross-on
glassy
glassy
High Tide
8:20AM1.69m
7:38PM2.20m
8:48AM1.81m
8:22PM2.20m
9:15AM1.91m
9:05PM2.12m
Low Tide
1:52AM0.10m
1:33PM0.83m
2:27AM0.09m
2:18PM0.67m
2:59AM0.14m
3:01PM0.55m
clear
part cloud
part cloud
clear
part cloud
rain showers
rain showers
clear
cloud
clear
clear
part cloud
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
6:59
6:58
 mm
2
2
1
3
3
Temp °C
26
28
28
27
26
28
27
26
25
24
24
26
25
24
23
25
24
23
23
24
24
23
23
22
Feels °C
28
30
31
29
26
30
28
30
29
27
27
28
28
27
27
28
25
25
25
25
25
24
25
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 

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