Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 4 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
13.5°C
0.7° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.1m), 7s period with NW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.1m), 7s period with NW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 2.5ft (0.7m), 18s period with SW swell.

The current surf forecast for Cape Sebastian at 7AM is: 1.2m 7s primary swell from a Northwest direction and 0.5m 13s secondary swell from a Southwest direction (forecast issued at 04:00am September 09). The wind direction is predicted to be offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.1m)7s
Afternoon (09 Sep)3.5ft (1.1m)7s
Evening (09 Sep)2.5ft (0.7m)18s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Wed morning, min 12°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu afternoon, calm by Fri night).

Wednesday
9
Thursday
10
Friday
11
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)
2
2
2
2
1
2
2
3
3
3
3
2
1
1
1
1
3
3
3
2
2
2
2
3
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)
1.3
NNW
7
1.3
NW
8
1.1
NW
7
1.1
NW
7
1.1
NW
7
0.5
SW
19
0.7
SW
19
0.7
SW
17
0.7
SW
18
0.7
SW
18
0.7
SW
18
0.7
SW
17
0.8
SW
17
0.8
SW
17
0.8
SW
17
0.9
SW
17
0.9
SW
16
0.8
SW
16
1
SW
16
1
SW
16
0.9
SW
16
0.9
SW
16
1
SW
16
1
SW
15
Wave Graph
Metric surfscale
Energy kJ
183
181
127
122
133
184
354
287
300
300
300
293
350
398
394
459
443
361
486
480
400
400
462
438
Wind (km/h)
5
NE
10
NE
5
NNE
10
NNW
15
NNW
20
NNW
15
N
10
N
10
N
10
N
15
N
25
NNW
30
NNW
30
NNW
30
N
25
N
20
N
20
N
15
NNE
20
NNW
25
NNW
20
NNW
15
NNW
10
N
Wind State
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
High Tide
11:35AM2.52m
11:08PM2.82m
12:08PM2.65m
00:00AM2.78m
12:40PM2.75m
Low Tide
5:03AM0.29m
5:11PM1.11m
5:44AM0.35m
6:00PM0.90m
6:22AM0.47m
6:45PM0.73m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:36
7:34
 mm
Temp °C
20
19
20
24
24
23
20
19
18
17
18
21
20
20
16
15
14
13
13
16
17
16
14
12
Feels °C
19
17
18
22
21
20
18
17
16
15
16
17
16
15
11
10
10
9
9
12
13
12
12
11
  • 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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