The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 12 pm Saturday 16 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
12.6° C
(Which is 1.2°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: 0.2m 5s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00pm May 16). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (16 May)0.5ft (0.2m)4s
Afternoon (16 May)0.5ft (0.2m)5s
Evening (16 May)1ft (0.3m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 22mm), heaviest during Mon night. Very mild (max 13°C on Mon afternoon, min 8°C on Sat night). Mainly fresh winds.

Sat
16
Sunday
17
Monday
18
Tue
19
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
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.2
W
5
0.2
W
5
0.2
W
5
0.2
W
5
0.3
W
5
0.3
W
5
0.3
W
6
0.4
W
7
0.4
W
7
0.4
W
7
0.5
W
6
0.2
W
12
0.4
W
6
0.4
W
6
0.5
W
7
0.5
W
7
0.4
W
7
0.4
W
7
0.4
W
7
0.3
W
7
0.3
W
7
0.2
W
7
0.2
W
6
0.3
SW
7
Wave Graph
Metric surfscale
Energy kJ
2
2
2
2
4
5
6
14
14
14
19
11
11
12
24
25
16
15
15
8
8
4
3
7
Wind (km/h)
15
WSW
15
WSW
20
W
20
WSW
20
W
15
WNW
15
WNW
15
WNW
20
W
25
W
30
WSW
25
WSW
20
WSW
20
SW
20
W
10
W
15
SW
10
WSW
10
SW
15
S
20
S
25
SSE
30
SSE
20
WSW
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
7:23PM11.57m
7:44AM11.73m
8:06PM11.90m
8:28AM11.82m
8:50PM11.95m
Low Tide
1:09PM1.06m
1:30AM0.96m
1:51PM0.78m
2:14AM0.74m
2:33PM0.75m
2:58AM0.79m
cloud
cloud
cloud
cloud
rain showers
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
rain showers
light rain
part cloud
light rain
cloud
light rain
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:18
5:18
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:58
9:00
9:00
9:02
1
2
2
3
1
1
1
3
6
2
Temp °C
10
11
11
11
10
10
9
8
11
12
11
10
9
9
9
9
11
12
13
13
11
11
12
13
6
7
7
7
5
6
5
4
7
6
4
4
4
4
5
6
8
9
10
10
7
6
7
9
Swell 1
Height (m)
Direction
Period (s)
0.2
W
5
0.2
W
5
0.1
W
7
0.1
W
7
0.1
W
8
0.3
W
5
0.3
W
6
0.4
W
7
0.4
W
7
0.2
W
12
0.4
W
6
0.4
W
6
0.5
W
7
0.5
W
7
0.4
W
7
0.4
W
7
0.4
W
7
0.3
W
7
0.3
W
7
0.2
W
7
0.2
W
6
Energy kJ
2
2
1
1
1
5
6
14
14
11
11
12
24
25
16
15
15
8
8
4
3
Swell 2
Height (m)
Direction
Period (s)
0.1
W
8
0.1
W
7
0.1
W
13
0.1
W
13
0.1
W
14
0.1
W
9
0.2
W
12
0.2
W
11
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
10
0.1
W
10
0.1
W
10
Energy kJ
1
1
3
3
4
2
11
10
3
3
3
2
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
W
12
0.1
W
9
Energy kJ
3
1
Wind waves
Height (m)
Direction
Period (s)
0.2
W
5
0.2
W
5
0.3
W
5
0.4
W
7
0.5
W
6
0.4
W
6
0.2
S
3
0.2
SSE
3
0.3
SW
7
Energy kJ
2
2
4
14
19
11
1
1
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
Distance (km)
301
320
323
325
301
344
136
28
325
325
141
141
344
117
53
53
39
85
85
33
228
286
480
480
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
3
2
2
3
3
3
3
4
4
4
4
4
3
3
3
3
2
2
3
2
2
2
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
  • 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

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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