Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 10 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
10.5° C
3.1° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 5ft (1.6m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.4m), 8s period with NW swell.
  • Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.8m), 16s period with SW swell.

The current surf forecast for Cape Sebastian at 1PM is: 1.4m 8s primary swell from a Northwest direction and 0.7m 16s secondary swell from a Southwest direction (forecast issued at 10:00am July 20). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (20 Jul)5ft (1.6m)8s
Afternoon (20 Jul)4.5ft (1.4m)8s
Evening (20 Jul)2.5ft (0.8m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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)
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
2
2
2
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)
1.6
NW
8
1.6
NW
8
1.4
NW
8
1.4
NW
8
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
14
0.8
SSW
14
0.8
SW
14
0.7
SW
14
0.7
SW
15
0.6
SW
15
1.1
NW
10
0.6
SW
15
0.6
SW
15
0.6
SW
14
Wave Graph
Metric surfscale
Energy kJ
304
311
257
257
295
299
357
357
302
299
291
266
248
261
248
214
217
171
208
171
171
158
Wind (km/h)
5
NNE
10
N
5
SW
5
WSW
5
NW
5
WNW
5
NNW
5
NNW
5
NW
10
NW
10
NW
10
NW
10
NNW
5
NNW
15
NE
10
NNW
10
NNW
10
NW
10
NW
10
NW
5
NW
5
NNW
Wind State
glassy
cross-off
glassy
glassy
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
High Tide
5:21PM2.65m
6:04AM1.94m
6:02PM2.61m
7:31AM1.84m
6:47PM2.57m
Low Tide
10:42AM0.99m
00:10AM0.97m
11:23AM1.25m
1:16AM0.90m
12:09PM1.46m
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:49
8:47
8:46
 mm
Temp °C
15
18
17
16
15
14
14
16
16
18
19
19
17
17
17
16
17
19
19
19
17
17
Feels °C
15
17
17
16
15
14
14
16
16
17
18
18
17
17
15
15
16
19
19
18
17
17
  • 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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