Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 10 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
13.7°C
0.4° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 4.5ft (1.4m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 5ft (1.5m), 9s period with WNW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 4.5ft (1.4m), 9s period with WNW swell.

The current surf forecast for Cape Sebastian at 4PM is: 1.4m 9s primary swell from a West-northwest direction and 0.7m 13s secondary swell from a Southwest direction (forecast issued at 10:00am September 13). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (13 Sep)4.5ft (1.4m)9s
Afternoon (13 Sep)5ft (1.5m)9s
Evening (13 Sep)4.5ft (1.4m)9s

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 12°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, fresh winds from the NNW by Tue afternoon).

Sunday
13
Monday
14
Tuesday
15
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
1
2
3
1
2
2
3
2
1
1
0
0
2
2
2
2
0
0
0
0
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)
1.3
WNW
10
1.5
WNW
9
1.5
WNW
9
1.4
WNW
9
1.4
WNW
9
1.3
WNW
9
1.2
NW
9
1.2
WNW
8
1.1
NW
8
1.1
NW
8
1.5
NW
8
0.4
SW
17
1.6
NW
6
0.5
SW
17
1.3
NW
7
1.3
NW
7
1.3
NW
7
1.4
NW
7
1.8
NW
6
1.8
NW
6
1.6
NW
6
1.5
NW
7
Wave Graph
Metric surfscale
Energy kJ
322
351
360
318
293
252
216
188
154
167
277
106
196
162
189
184
184
205
247
239
216
218
Wind (km/h)
15
SE
10
S
10
WSW
15
NNW
20
N
15
NNE
15
NNE
15
NNE
15
N
25
NNW
30
NNW
35
NNW
30
N
20
N
15
NNE
20
N
20
N
30
NNW
35
NNW
35
NNW
30
N
25
N
Wind State
cross
cross-on
cross-on
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
High Tide
1:42PM2.81m
2:25AM2.41m
2:13PM2.77m
3:15AM2.25m
2:45PM2.69m
Low Tide
7:31AM0.84m
8:12PM0.56m
8:04AM1.05m
8:56PM0.57m
8:37AM1.25m
9:42PM0.63m
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>
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:29
7:27
 mm
Temp °C
14
15
17
16
15
15
14
13
14
18
18
18
15
14
14
13
13
18
19
18
15
13
Feels °C
12
13
16
14
12
12
11
9
10
13
12
12
9
10
11
9
8
12
12
12
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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