Surf Break

Lat Long: 42.32° N 124.42° W

Cape Sebastian 48 hour detailed Surf Forecast

Issued: 10 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cape Sebastian sea temperature is
11.3°C
1.5° 

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 (17 Oct):

  • Morning surf: Morning surf (17 Oct, local time) - 3.5ft (1.0m), 12s period with WNW swell.
  • Afternoon surf: Afternoon surf (17 Oct, local time) - 2.5ft (0.8m), 19s period with SW swell.
  • Evening surf: Evening surf (17 Oct, local time) - 5ft (1.6m), 12s period with WNW swell.

The current surf forecast for Cape Sebastian at 6PM is: 1.4m 11s primary swell from a West-northwest direction and 0.8m 18s secondary swell from a Southwest direction (forecast issued at 10:00am October 17). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (17 Oct)3.5ft (1.0m)12s
Afternoon (17 Oct)2.5ft (0.8m)19s
Evening (17 Oct)5ft (1.6m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sat afternoon, min 9°C on Sun night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Mon night).

Saturday
17
Sunday
18
Monday
19
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)
3
2
1
2
2
4
4
4
4
4
3
3
4
4
3
3
3
2
2
2
5
5
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
WNW
12
0.8
SW
19
0.8
SW
19
0.8
SW
18
1.6
W
12
1.7
WNW
12
2.1
WNW
12
2.2
WNW
11
2.1
WNW
11
2.1
WNW
11
2.1
WNW
11
2.2
WNW
13
2.2
WNW
13
2.2
WNW
12
2.1
WNW
12
1.9
WNW
12
1.8
WNW
12
1.7
WNW
11
1.5
WNW
11
1.3
WNW
11
2.5
WNW
14
3
WNW
13
Wave Graph
Metric surfscale
Energy kJ
269
450
436
415
687
819
1166
1204
1107
1107
1126
1657
1545
1381
1227
964
844
674
517
427
2436
3194
Wind (km/h)
10
NNE
20
NNW
25
NNW
30
NNW
25
N
20
N
15
N
10
NNE
5
NNE
10
NNW
20
NNW
15
NNW
10
NNW
5
ESE
10
SE
10
SE
10
SE
10
S
10
S
5
SSE
5
NE
10
N
Wind State
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-on
cross
cross-on
on
cross-on
glassy
off
High Tide
6:07AM2.00m
4:04PM2.33m
7:24AM2.02m
5:09PM2.23m
8:21AM2.09m
6:30PM2.16m
Low Tide
10:16AM1.77m
11:50PM0.81m
11:41AM1.81m
00:54AM0.85m
1:17PM1.75m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
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7:33
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7:33
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—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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6:32
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—
—
—
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6:30
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6:29
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 mm
—
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—
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Temp °C
15
17
18
16
14
13
12
12
11
14
14
13
10
10
9
9
9
12
13
13
13
12
Feels °C
13
14
14
11
10
9
9
10
10
12
10
10
8
9
7
7
6
9
10
11
11
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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