Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 10 pm 12 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 3AM is: 0.8m 14s primary swell from a Southwest direction and 1.1m 10s secondary swell from a West direction, 0.1m 6s secondary swell from a South direction (forecast issued at 10:00pm September 12). The wind direction is predicted to be cross-onshore.

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

Light rain (total 4mm), mostly falling on Sat night. Very mild (max 19°C on Tue afternoon, min 13°C on Mon night). Winds increasing (light winds from the W on Sun afternoon, fresh winds from the NNW by Tue afternoon).

Sat
12
Sunday
13
Monday
14
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
1
1
1
2
1
2
2
1
2
2
3
2
1
0
0
0
2
Swell
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
14
1.2
WNW
10
0.8
SW
14
1.4
WNW
10
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
8
1.2
NW
8
1.1
NW
8
1.1
NW
8
1.4
NW
8
0.4
SW
17
1.6
NW
6
1.5
NW
6
Wave Graph
Metric surfscale
Energy kJ
341
289
245
341
322
351
360
318
293
252
211
206
171
167
251
106
203
186
Wind (km/h)
15
S
15
S
15
SSE
15
SE
15
SE
10
S
10
W
15
NNW
20
N
15
NNE
15
NNE
15
N
15
NNE
25
NNW
30
NNW
35
NNW
30
N
25
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
High Tide
1:37AM2.57m
1:42PM2.81m
2:25AM2.41m
2:13PM2.77m
Low Tide
7:31AM0.84m
8:12PM0.56m
8:04AM1.05m
8:56PM0.57m
rain showers
rain showers
rain showers
rain showers
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:29
 mm
1
1
1
1
Temp °C
14
14
14
14
14
16
16
16
15
15
14
14
14
18
18
17
15
14
Feels °C
11
12
12
12
12
14
15
13
11
12
11
11
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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