Seaton Sluice Surf Break

Lat Long: 55.07° N 1.45° W

Seaton Sluice 48 hour detailed Surf Forecast

Issued: 6 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Seaton Sluice sea temperature is
15.1° C
0.1° 

Seaton Sluice surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Seaton Sluice today (20 Aug):

  • Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 6s period with NNE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 5ft (1.5m), 7s period with NNE swell.

The current surf forecast for Seaton Sluice at 9PM is: 1.5m 7s primary swell from a North-northeast direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Aug)--
Afternoon (20 Aug)5ft (1.6m)6s
Evening (20 Aug)5ft (1.5m)7s

Table - waves today at Seaton Sluice. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun morning, min 11°C on Thu night). Winds decreasing (fresh winds from the N on Fri morning, light winds from the WNW by Sun morning).

Thu
20
Friday
21
Saturday
22
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
1
1
2
0
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
NNE
6
1.6
NNE
7
1.5
NNE
7
1.6
N
8
1.7
N
8
1.6
N
7
2.1
NNE
8
2.1
NNE
8
1.8
NNE
8
1.6
NNE
8
1.5
NNE
8
1.5
NNE
8
1.7
NNE
8
1.8
NNE
9
2
NNE
8
1.6
NNE
8
1.5
NNE
8
1.4
NNE
8
1.3
NNE
9
Wave Graph
Metric surfscale
Energy kJ
182
245
228
333
368
285
469
563
388
303
264
277
432
493
534
336
313
290
267
Wind (km/h)
25
N
20
N
20
NNW
15
NW
15
WNW
25
NNW
30
N
30
N
20
N
15
N
10
NNW
10
NW
10
NW
15
NNW
10
NNW
15
NNE
15
ENE
10
ESE
10
S
Wind State
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
off
High Tide
9:37PM3.30m
10:14AM3.28m
10:48PM3.12m
11:39AM3.13m
Low Tide
3:17PM1.44m
3:38AM1.53m
4:19PM1.73m
4:58AM1.71m
5:53PM1.85m
part cloud
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:29
8:25
8:23
 mm
Temp °C
15
14
13
12
11
12
14
14
14
14
13
12
12
12
13
15
14
14
15
Feels °C
9
9
9
9
8
7
8
8
9
10
10
9
9
9
11
12
11
12
12
  • 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 Seaton Sluice 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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