Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 10 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
14.5°C
0.5° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.4m), 7s period with NW swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 5ft (1.6m), 7s period with NW swell.
  • Evening surf: Evening surf (16 Sep, local time) - 6ft (1.9m), 8s period with NW swell.

The current surf forecast for Cape Sebastian at 6AM is: 1.3m 7s primary swell from a Northwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 10:00pm September 15). The wind direction is predicted to be offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (16 Sep)4.5ft (1.4m)7s
Afternoon (16 Sep)5ft (1.6m)7s
Evening (16 Sep)6ft (1.9m)8s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Wed afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the N on Tue night, calm by Thu night).

Tue
15
Wednesday
16
Thursday
17
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
2
2
2
2
1
1
1
3
2
3
1
1
0
0
1
2
2
Swell
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
6
1.3
NW
7
1.2
NW
7
1.3
NW
7
1.3
NW
7
1.4
NW
7
1.5
NW
8
1.8
NW
7
1.9
NW
8
1.7
NW
8
1.7
NW
8
1.6
NW
8
1.6
NW
8
1.5
NW
8
1.4
NW
8
1.3
NW
8
1.3
NW
8
1.3
NW
8
Wave Graph
Metric surfscale
Energy kJ
195
149
131
174
189
215
244
340
382
337
361
304
304
284
257
239
244
224
Wind (km/h)
30
N
20
N
20
N
15
NNE
15
NNE
15
NNW
25
NNW
30
NNW
20
N
5
NE
5
SSE
5
SSE
10
SSE
15
SSW
15
SSW
5
SSW
5
SE
5
ENE
Wind State
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
off
glassy
cross-on
cross-on
on
on
on
glassy
glassy
High Tide
4:09AM2.10m
3:20PM2.59m
5:15AM1.97m
4:00PM2.48m
Low Tide
9:42PM0.63m
9:11AM1.43m
10:34PM0.72m
9:47AM1.58m
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>
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:25
7:23
 mm
Temp °C
15
14
13
13
13
18
20
21
18
16
15
14
14
16
16
16
14
14
Feels °C
10
10
10
10
11
15
16
16
14
15
15
13
13
14
15
16
14
14
  • 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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