The Knap Surf Break

Lat Long: 51.39° N 3.30° W

The Knap 48 hour detailed Surf Forecast

Issued: 6 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Knap sea temperature is
21.1° C
5.5° 

How big are the waves at The Knap today (22 Jul):

  • Morning surf: Morning surf (22 Jul, local time) - 0.5ft (0.1m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (22 Jul, local time) - 0.5ft (0.1m), 9s period with W swell.
  • Evening surf: Evening surf (22 Jul, local time) - 0.5ft (0.1m), 9s period with W swell.

The current surf forecast for The Knap at 12AM is: 0.1m 10s primary swell from a West direction (forecast issued at 06:00pm July 21). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (22 Jul)0.5ft (0.1m)10s
Afternoon (22 Jul)0.5ft (0.1m)9s
Evening (22 Jul)0.5ft (0.1m)9s

Table - waves today at The Knap. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 25°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light.

Tue
21
Wednesday
22
Thursday
23
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
8
Wave Graph
Metric surfscale
Energy kJ
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
Wind (km/h)
15
WSW
20
W
15
WNW
5
WNW
10
NNE
5
ENE
0
ENE
5
SSW
10
SW
15
W
15
NW
10
NE
10
ENE
10
E
10
ESE
5
WSW
20
W
25
W
10
WNW
Wind State
cross-on
cross-on
cross
glassy
off
cross-off
glassy
on
cross-on
cross-on
cross-off
off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
High Tide
00:57AM9.50m
1:26PM8.93m
1:52AM8.82m
2:28PM8.46m
Low Tide
6:33PM2.84m
7:03AM3.05m
7:24PM3.44m
7:56AM3.59m
8:26PM3.92m
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:16
9:15
9:14
 mm
Temp °C
24
23
21
18
15
14
17
20
23
24
23
19
16
15
18
23
25
24
22
Feels °C
21
20
19
18
14
13
18
19
21
20
21
18
15
14
17
23
21
20
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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