Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 4 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
13.0° C
1.1° 

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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 4.5ft (1.4m), 7s period with NW swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 7ft (2.2m), 7s period with NW swell.
  • Evening surf: Evening surf (09 Aug, local time) - 6.5ft (2.0m), 7s period with NNW swell.

The current surf forecast for Cape Sebastian at 7AM is: 1.4m 7s primary swell from a Northwest direction and 0.5m 16s secondary swell from a Southwest direction, 0.4m 12s secondary swell from a Southwest direction (forecast issued at 04:00am August 09). The wind direction is predicted to be offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (09 Aug)4.5ft (1.4m)7s
Afternoon (09 Aug)7ft (2.2m)7s
Evening (09 Aug)6.5ft (2.0m)7s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Mon afternoon, min 15°C on Sun night). Mainly strong winds.

Sunday
9
Monday
10
Tuesday
11
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
2
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
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)
0.5
SW
17
1.4
NNW
6
1.4
NW
7
1.6
NW
7
2.1
NNW
7
2.3
NNW
7
2.1
NNW
7
1.7
NNW
7
1.5
NNW
7
1.5
NNW
7
1.5
NNW
7
1.6
NNW
7
2.1
NNW
7
2.3
NNW
7
2.1
NNW
7
1.8
NNW
7
1.6
NNW
7
1.5
NNW
7
1.3
NNW
7
1.4
NNW
6
1.8
NNW
6
2
NNW
6
1.8
NNW
6
0.4
SW
18
Wave Graph
Metric surfscale
Energy kJ
160
160
158
227
415
523
396
294
218
204
218
243
384
501
396
299
229
198
158
165
254
303
246
112
Wind (km/h)
20
N
25
N
25
N
35
NNW
40
NNW
40
NNW
40
N
30
N
30
N
30
N
25
N
35
NNW
40
NNW
45
NNW
40
N
35
N
30
N
30
N
30
N
35
NNW
40
NNW
45
NNW
35
NNW
30
N
Wind State
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
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
10:38AM2.10m
9:09PM2.94m
11:27AM2.25m
10:12PM3.01m
12:08PM2.39m
Low Tide
3:41AM0.29m
3:00PM1.62m
4:37AM0.14m
4:10PM1.52m
5:26AM0.04m
5:11PM1.36m
clear
clear
clear
clear
clear
clear
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>
6:18
6:18
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:27
8:25
8:23
 mm
Temp °C
15
15
17
20
21
20
18
16
15
15
17
21
22
21
19
17
16
16
17
21
21
21
19
16
Feels °C
10
10
12
14
14
13
11
10
9
9
12
14
15
13
12
11
11
11
12
15
14
14
13
11
  • 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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