K-181 Surf Break

Lat Long: 31.33° N 116.45° W

K-181 48 hour detailed Surf Forecast

Issued: 10 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's K-181 sea temperature is
21.2° C
0.9° 

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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.8m), 14s period with SW swell.
  • Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 14s period with SW swell.

The current surf forecast for K-181 at 1PM is: 0.9m 14s primary swell from a Southwest direction and 0.2m 10s secondary swell from a West-northwest direction, 1.2m 6s secondary swell from a West-northwest direction (forecast issued at 10:00am August 17). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (17 Aug)3ft (0.9m)14s
Afternoon (17 Aug)2.5ft (0.8m)14s
Evening (17 Aug)3ft (0.9m)14s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Mon morning, min 21°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Wed night).

Monday
17
Tuesday
18
Wednesday
19
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
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)
0.9
SW
14
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.9
SW
14
0.8
SW
14
0.9
SW
16
0.9
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SSW
16
0.9
SW
15
0.9
SW
15
0.9
SW
15
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.7
SW
15
0.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
305
301
245
241
288
241
362
371
211
214
216
211
169
309
318
335
349
353
353
353
236
217
Wind (km/h)
15
NW
25
WNW
30
NW
30
NW
25
NW
15
NW
15
NW
15
NW
15
NW
25
WNW
30
WNW
30
NW
20
NW
15
NW
15
NW
15
NW
10
NW
10
W
15
W
15
WNW
10
NW
5
WNW
Wind State
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:38PM1.84m
1:05AM1.31m
1:16PM1.78m
2:43AM1.14m
2:07PM1.72m
Low Tide
6:02AM0.71m
7:24PM0.76m
6:21AM0.90m
8:48PM0.80m
6:28AM1.05m
10:43PM0.76m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:27
7:24
7:23
 mm
Temp °C
22
24
24
24
21
22
22
22
22
24
24
24
22
22
22
21
22
24
23
23
22
21
Feels °C
22
23
22
21
18
21
21
22
21
23
21
21
20
22
22
21
22
25
24
24
24
23
  • 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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