Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 4 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
13.6°C
0.6° 

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 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 3.5ft (1.0m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 3ft (0.9m), 14s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 14s period with SW swell.

The current surf forecast for Cape Sebastian at 12PM is: 1.0m 14s primary swell from a Southwest direction and 1.1m 10s secondary swell from a Northwest direction (forecast issued at 04:00am September 12). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Sep)3.5ft (1.0m)14s
Afternoon (12 Sep)3ft (0.9m)14s
Evening (12 Sep)3ft (0.9m)14s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 18°C on Mon morning, min 13°C on Sat morning). Winds increasing (light winds from the ESE on Sat morning, fresh winds from the NNW by Mon afternoon).

Saturday
12
Sunday
13
Monday
14
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)
3
3
2
1
1
0
1
1
1
0
1
1
2
2
2
2
2
3
2
1
1
0
0
2
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)
0.9
SW
15
1
SW
15
1
SW
15
1
SW
14
0.9
SW
14
1
SW
14
0.9
SW
14
1.2
WNW
10
1.2
WNW
10
1.2
WNW
10
1.4
WNW
10
1.5
WNW
9
1.5
WNW
9
1.4
WNW
9
1.6
NW
9
1.3
WNW
9
1.2
NW
9
1.2
NW
8
1.1
NW
8
1.2
NW
8
1.5
NW
8
1.7
NW
6
1.7
NW
6
1.5
NW
7
Wave Graph
Metric surfscale
Energy kJ
380
415
410
398
350
393
341
289
246
285
334
351
360
318
380
252
216
206
171
187
277
212
230
204
Wind (km/h)
5
E
5
E
5
ESE
10
S
15
S
20
S
15
SSE
15
SSE
15
SE
15
SE
15
SE
10
S
10
WSW
15
NNW
20
N
15
NNE
15
NNE
20
NNE
15
NNE
25
NNW
30
NNW
35
NNW
30
N
25
N
Wind State
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
High Tide
00:49AM2.69m
1:11PM2.80m
1:37AM2.57m
1:42PM2.81m
2:25AM2.41m
2:13PM2.77m
Low Tide
6:57AM0.64m
7:29PM0.61m
7:31AM0.84m
8:12PM0.56m
8:04AM1.05m
8:56PM0.57m
clear
part cloud
cloud
cloud
part cloud
cloud
clear
rain showers
rain showers
part cloud
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>
6:54
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:30
7:29
 mm
1
1
Temp °C
12
12
13
14
15
15
14
14
13
13
14
15
16
16
15
15
14
13
14
18
18
17
15
14
Feels °C
11
11
12
12
12
11
11
12
10
10
12
13
15
13
12
12
11
9
10
13
12
10
9
9
  • 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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