The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 12 pm Sunday 26 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
11.5° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at The Knap today?

The current surf forecast for The Knap at 6PM is: 0.1m 8s primary swell from a West direction (forecast issued at 12:00pm April 26). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (26 Apr)0.5ft (0.1m)9s
Afternoon (26 Apr)0.5ft (0.1m)8s
Evening (26 Apr)0.5ft (0.1m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Sun afternoon, min 6°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the NE by Tue morning).

Sun
26
Monday
27
Tuesday
28
Wed
29
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
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
10
0.1
W
10
0.1
W
9
0.1
W
9
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
11
0.1
W
10
0.1
W
15
0.1
W
14
0.1
W
14
0.1
W
13
0.1
W
13
0.2
W
13
0.2
W
12
Wave Graph
Metric surfscale
Energy kJ
2
1
1
1
1
2
2
2
2
1
1
1
1
1
1
2
2
4
4
4
3
3
12
12
Wind (km/h)
15
E
10
SE
10
ESE
10
SE
5
S
0
SSE
5
ESE
0
ESE
5
NE
5
SSW
5
W
5
N
15
NNE
20
NE
20
NE
30
NE
35
NE
30
NE
30
NE
25
NE
30
NE
30
NE
35
NE
35
NE
cross-off
cross
cross
cross
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
glassy
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:53PM8.55m
4:24AM9.12m
5:00PM9.09m
5:23AM9.68m
5:51PM9.72m
6:10AM10.23m
Low Tide
9:39AM3.70m
10:11PM3.78m
10:55AM3.25m
11:17PM3.23m
11:47AM2.70m
00:04AM2.66m
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
part cloud
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:52
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:27
8:28
8:30
8:30
Temp °C
12
14
16
15
14
13
13
12
13
16
16
15
13
11
9
7
8
10
11
12
9
7
6
6
9
11
13
13
13
12
12
11
11
15
14
14
9
7
4
0
0
3
4
6
2
-1
-2
-2
Swell 1
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
10
0.1
W
9
0.1
W
9
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
14
0.1
W
14
0.1
W
13
0.1
W
13
0.2
W
13
0.2
W
12
Energy kJ
2
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
4
4
3
3
12
12
Swell 2
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
8
0.1
W
10
0.1
W
15
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
9
Energy kJ
2
1
2
4
1
1
1
1
2
Swell 3
Height (m)
Direction
Period (s)
0.1
W
11
0.1
W
10
0.1
W
10
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
7
Energy kJ
2
2
2
2
2
2
1
Wind waves
Height (m)
Direction
Period (s)
0.2
NNE
3
0.3
NE
3
0.3
NE
3
0.3
NE
3
0.3
NE
3
0.4
NE
4
0.4
NE
4
0.4
NE
4
Energy kJ
1
1
2
2
2
3
3
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
72
72
67
67
67
67
67
67
67
78
187
187
352
67
67
73
67
125
65
65
74
74
78
358
Best forecast wave conditions in Wales - South East
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
1
2
2
2
1
1
1
1
2
1
1
1
1
1
1
2
2
2
3
3
3
Header Global
Rating
(10 max)
5
6
7
7
9
9
8
7
6
6
6
6
5
5
5
5
5
5
5
5
7
9
9
7
  • 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

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