Cape Sebastian Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 4 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
14.1°C
0.2° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 2.5ft (0.7m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 4.5ft (1.4m), 7s period with NW swell.
  • Evening surf: Evening surf (08 Sep, local time) - 5ft (1.6m), 7s period with NW swell.

The current surf forecast for Cape Sebastian at 8AM is: 0.7m 13s primary swell from a South-southwest direction and 0.9m 6s secondary swell from a Northwest direction (forecast issued at 04:00am September 08). The wind direction is predicted to be offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (08 Sep)2.5ft (0.7m)13s
Afternoon (08 Sep)4.5ft (1.4m)7s
Evening (08 Sep)5ft (1.6m)7s

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 13°C on Thu night). Winds increasing (light winds from the ENE on Tue night, fresh winds from the NNW by Thu afternoon).

Tuesday
8
Wednesday
9
Thursday
10
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
1
2
2
2
2
2
2
1
2
2
3
3
3
3
1
1
1
1
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)
0.7
SSW
14
0.7
SSW
13
0.7
SSW
13
0.7
SSW
13
0.7
SSW
13
1.4
NW
7
1.6
NW
7
1.5
NW
7
1.4
NW
7
1.3
NW
8
1.1
NW
7
1.1
NW
7
1.2
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
Wave Graph
Metric surfscale
Energy kJ
161
158
156
156
156
183
240
242
199
181
140
140
152
184
354
287
300
300
300
293
413
398
394
459
Wind (km/h)
10
NE
10
NE
10
NE
10
NNW
20
NNW
20
NNW
20
N
10
NNE
5
ENE
10
NNE
5
NNE
10
NNW
15
NNW
20
NNW
15
N
15
N
15
N
15
N
15
N
25
NNW
30
NNW
35
NNW
30
N
25
N
Wind State
off
off
off
cross-off
cross-off
cross-off
off
off
cross-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
10:59AM2.38m
10:12PM2.81m
11:35AM2.52m
11:08PM2.82m
12:08PM2.65m
Low Tide
4:18AM0.30m
4:17PM1.33m
5:03AM0.29m
5:11PM1.11m
5:44AM0.35m
6:00PM0.90m
clear
clear
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>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:39
7:37
7:36
 mm
Temp °C
16
15
16
21
23
22
21
20
20
19
20
24
23
22
20
19
17
17
17
21
21
20
17
15
Feels °C
14
12
14
18
19
18
18
18
19
17
18
21
20
19
18
17
15
14
14
17
16
14
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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