The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 12 pm Sunday 12 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
10.3° C
(Which is slightly warmer than usual)

How big are the waves at The Knap today?

The current surf forecast for The Knap at 4PM is: 0.8m 14s primary swell from a West direction (forecast issued at 12:00pm April 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Apr)3.5ft (1.1m)15s
Afternoon (12 Apr)2.5ft (0.8m)14s
Evening (12 Apr)2ft (0.6m)13s

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


Updates in  hr  min  s Forecast update imminent
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
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
Wave Height (m) & direction (?)
1.1
W
1
W
0.8
W
0.7
W
0.6
W
0.5
W
0.4
W
0.3
W
0.3
W
0.3
W
0.3
W
0.3
W
0.3
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
Period(s) (?)15151414131312991111101010101099998889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)581441257184126844714142120181777766665556
Wind
(km/h)
35
WSW
30
WSW
25
W
20
W
15
WSW
10
SW
5
S
5
SE
10
SE
5
SSE
10
WSW
10
W
5
W
5
SSE
10
SE
10
ESE
15
ESE
20
SSE
15
SSE
10
SSE
15
SSE
10
SSE
15
SSE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassglasscrosscross-
on
cross-
on
crossglasscross-
on
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:57PM
7.85
4:30AM
8.42
5:05PM
8.60
5:26AM
9.27
5:52PM
9.51
6:10AM
10.19
Low Tide
/ height (m)
9:35AM
4.35
10:10PM
4.25
10:53AM
3.72
11:16PM
3.50
11:45AM
2.89
12:03AM
2.64
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Sunrise-------6:22-------6:20-------6:18
Sunset---8:02-------8:05-------8:07----
clear
thunderstorm
rain showers
clear
part cloud
part cloud
clear
clear
part cloud
clear
rain showers
part cloud
part cloud
clear
clear
part cloud
light rain
cloud
cloud
cloud
cloud
light rain
cloud
rain showers
Rain (mm)
-11-------1-----1----1-1
Temp. °C91010977657101198766810111312111212
Feels °C (?)134434434785643346812109109
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest