The Knap Surf Break

Lat Long: 51.39° N 3.30° W

The Knap 48 hour detailed Surf Forecast

Issued: 12 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Knap sea temperature is
20.8° C
4.6° 

Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 14°C on Mon night). Winds decreasing (fresh winds from the W on Sun afternoon, calm by Mon morning).

Sun
9
Monday
10
Tuesday
11
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.2
WNW
3
0.3
WNW
3
0.2
W
3
0.2
W
3
0.2
W
4
0.2
W
5
0.2
W
6
0.2
W
5
0.2
W
5
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
Wave Graph
Metric surfscale
Energy kJ
0
0
0
2
1
1
0
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Wind (km/h)
10
W
20
W
30
W
30
W
20
W
15
WNW
10
WNW
10
NW
5
NE
5
SW
15
WSW
15
W
10
WNW
10
NE
15
ENE
15
ENE
15
ESE
10
ESE
15
SE
20
SSE
10
SSE
Wind State
cross-on
cross
cross
cross
cross
cross
cross
cross-off
glassy
on
cross-on
cross
cross
off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
High Tide
4:33PM9.08m
5:11AM9.18m
5:44PM9.76m
6:16AM9.88m
6:42PM10.58m
Low Tide
10:03AM3.56m
10:52PM3.37m
11:27AM3.12m
00:07AM2.69m
12:31PM2.42m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:46
8:45
8:44
 mm
Temp °C
21
21
21
19
17
16
16
15
17
19
21
22
20
18
16
14
19
25
28
28
24
Feels °C
19
17
16
14
15
14
15
14
18
18
19
19
18
15
12
11
18
23
24
23
21
  • 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 The Knap 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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