Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 4 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
11.1°C
1.7° 

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 (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 8ft (2.4m), 12s period with WNW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 5.5ft (1.7m), 11s period with WNW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 3ft (0.9m), 16s period with SSW swell.

The current surf forecast for Cape Sebastian at 7AM is: 2.5m 12s primary swell from a West-northwest direction and 0.9m 15s secondary swell from a South-southwest direction (forecast issued at 04:00am October 20). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (20 Oct)8ft (2.4m)12s
Afternoon (20 Oct)5.5ft (1.7m)11s
Evening (20 Oct)3ft (0.9m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Wed morning, min 9°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the NNW by Thu afternoon).

Tuesday
20
Wednesday
21
Thursday
22
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)
4
4
3
3
4
4
3
3
3
3
3
3
2
3
3
3
2
2
3
3
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)
3
WNW
12
2.5
WNW
12
2.5
WNW
12
2.2
WNW
11
1.8
WNW
11
1.7
WNW
10
1.5
WNW
10
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.8
SSW
14
0.9
SSW
14
0.9
SSW
15
0.9
SSW
15
0.8
SSW
16
0.7
SSW
14
1
WNW
12
1.1
WNW
11
1.1
WNW
11
1.1
WNW
12
1.1
WNW
12
1.8
NW
12
Wave Graph
Metric surfscale
Energy kJ
2326
2047
1637
1220
773
570
427
392
362
334
334
330
239
330
305
322
280
178
309
319
307
330
341
897
Wind (km/h)
5
NE
5
SE
5
SE
10
S
5
W
10
NNW
10
N
5
NNE
5
NNE
5
N
5
ENE
10
NNW
15
NNW
5
NW
5
NE
10
NNE
15
N
15
N
5
NNE
10
NNW
25
NNW
30
NNW
30
N
25
N
Wind State
off
glassy
cross
on
glassy
cross-off
off
off
glassy
glassy
glassy
cross-off
cross-off
glassy
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
High Tide
8:59AM2.20m
7:48PM2.16m
9:27AM2.32m
8:55PM2.20m
9:52AM2.45m
9:53PM2.27m
Low Tide
1:50AM0.86m
2:29PM1.59m
2:37AM0.87m
3:20PM1.37m
3:18AM0.89m
4:02PM1.11m
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:35
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7:37
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7:37
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:28
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6:25
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6:24
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 mm
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Temp °C
13
12
12
14
15
14
13
14
14
14
14
17
17
14
12
12
12
11
11
13
15
15
12
11
Feels °C
11
10
10
11
14
12
10
12
13
12
13
14
14
13
11
10
8
8
9
11
10
9
6
5
  • 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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