Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 4 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
13.3° C
0.8° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 5ft (1.5m), 7s period with NNW swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 7ft (2.1m), 7s period with NNW swell.
  • Evening surf: Evening surf (10 Aug, local time) - 7ft (2.1m), 7s period with NNW swell.

The current surf forecast for Cape Sebastian at 9AM is: 1.5m 7s primary swell from a North-northwest direction and 0.5m 15s secondary swell from a Southwest direction, 0.2m 11s secondary swell from a South-southwest direction (forecast issued at 04:00am August 10). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (10 Aug)5ft (1.5m)7s
Afternoon (10 Aug)7ft (2.1m)7s
Evening (10 Aug)7ft (2.1m)7s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Mon morning, min 14°C on Wed night). Mainly strong winds.

Monday
10
Tuesday
11
Wednesday
12
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
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
1.5
NNW
7
1.4
NNW
7
1.4
NW
7
1.6
NNW
7
2.1
NNW
7
2.3
NNW
7
2.1
NNW
7
1.8
NNW
7
1.5
NNW
7
1.5
NNW
7
1.3
NNW
7
1.3
NNW
6
1.8
NNW
6
0.3
SW
18
0.4
SW
18
0.4
SW
18
0.4
SW
18
0.5
SW
18
0.6
SW
18
0.6
SW
18
1.7
NW
6
2.1
NW
7
2.1
NW
7
1.8
NW
7
Wave Graph
Metric surfscale
Energy kJ
211
175
189
243
403
486
396
315
198
192
154
136
246
51
116
112
111
154
197
194
219
398
397
336
Wind (km/h)
25
N
25
N
25
N
35
NNW
40
NNW
45
NNW
40
N
35
N
30
N
30
N
25
N
35
NNW
40
NNW
40
NNW
35
NNW
30
N
25
N
25
N
25
N
35
NNW
40
NNW
40
NNW
40
NNW
30
N
Wind State
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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:27AM2.25m
10:12PM3.01m
12:08PM2.39m
11:09PM3.05m
12:47PM2.51m
Low Tide
4:37AM0.14m
4:10PM1.52m
5:26AM0.04m
5:11PM1.36m
6:11AM0.03m
6:07PM1.20m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
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>
6:18
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:23
8:22
 mm
Temp °C
15
15
17
21
21
21
19
17
16
16
17
21
21
21
19
17
16
15
16
19
21
20
17
15
Feels °C
10
10
12
15
14
13
12
11
11
11
12
15
14
15
14
13
13
11
12
14
14
13
10
10
  • 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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