Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 10 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
12.6° C
1.6° 

Cape Sebastian surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Cape Sebastian today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2ft (0.6m), 18s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.8m), 6s period with NW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 6ft (1.8m), 6s period with NW swell.

The current surf forecast for Cape Sebastian at 1PM is: 1.7m 6s primary swell from a Northwest direction and 0.6m 18s secondary swell from a Southwest direction, 0.3m 12s secondary swell from a West-northwest direction (forecast issued at 10:00am August 12). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Aug)2ft (0.6m)18s
Afternoon (12 Aug)6ft (1.8m)6s
Evening (12 Aug)6ft (1.8m)6s

Table - waves today at Cape Sebastian. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 20°C on Wed afternoon, min 13°C on Wed night). Winds decreasing (strong winds from the NNW on Wed afternoon, calm by Thu night).

Wednesday
12
Thursday
13
Friday
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)
1
0
0
0
0
0
0
1
2
0
0
0
1
2
2
2
2
2
2
1
2
3
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
18
0.6
SW
18
1.8
NW
6
1.8
NW
6
1.8
NW
6
1.6
NW
7
1.6
NW
7
1.5
NW
7
1.7
NW
7
1.4
NW
7
1.7
NW
7
1.8
NW
7
1.6
NW
7
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.6
SW
14
0.5
SW
19
Wave Graph
Metric surfscale
Energy kJ
197
194
236
256
256
233
219
206
277
194
261
275
219
155
196
193
193
191
183
174
146
170
Wind (km/h)
25
N
30
NNW
40
NNW
40
NNW
35
NNW
30
N
25
N
25
N
20
N
30
NNW
25
NNW
25
NNW
20
NNW
10
N
5
N
5
NNE
5
N
10
NW
15
NW
15
NW
15
NNW
10
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
12:47PM2.51m
00:03AM3.01m
1:23PM2.62m
00:55AM2.90m
1:59PM2.70m
Low Tide
6:11AM0.03m
6:07PM1.20m
6:53AM0.10m
6:59PM1.05m
7:32AM0.26m
7:50PM0.93m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:21
8:20
 mm
Temp °C
16
19
20
20
17
15
14
13
15
18
18
17
15
14
13
13
14
17
17
17
15
14
Feels °C
13
14
14
13
11
10
10
9
12
13
14
13
12
13
13
13
14
16
15
15
13
13
  • 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 Cape Sebastian 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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