The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 5 pm Sunday 22 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
9.3° C
(Which is normal for this time of year)

How big are the waves at The Knap today?

The current surf forecast for The Knap at 8PM is: 0.1m 13s primary swell from a West direction and 0.1m 9s secondary swell from a West direction (forecast issued at 05:00pm March 22). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (22 Mar)--
Afternoon (22 Mar)0.5ft (0.1m)13s
Evening (22 Mar)0.5ft (0.1m)13s

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


Updates in  hr  min  s Forecast update imminent
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
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 (?)
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.4
WSW
0.6
W
0.8
W
0.8
W
1
W
1
W
1
W
1
W
1
W
1.1
W
Period(s) (?)13131312121212121212121211115667888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3333333333333210254761125133136140140169
Wind
(km/h)
15
W
15
W
5
NNE
10
NE
5
ENE
5
ENE
5
E
5
S
5
WSW
10
W
15
WSW
20
WSW
25
WSW
30
SW
30
SW
35
WSW
45
WSW
45
W
40
W
40
WNW
45
WNW
40
WNW
45
WNW
45
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossglasscross-
off
glassglassglassglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross
High Tide
/ height (m)
9:07PM
11.83
9:27AM
11.63
9:48PM
11.23
10:10AM
10.80
10:33PM
10.39
11:00AM
9.79
Low Tide
/ height (m)
2:52PM
0.55
3:09AM
0.78
3:29PM
1.08
3:48AM
1.43
4:09PM
1.86
4:34AM
2.28
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Sunrise------6:09-------6:07-------6:05-
Sunset-6:28-------6:30-------6:31------
cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
clear
part cloud
clear
clear
clear
part cloud
Rain (mm)
-----------------2------
Temp. °C1211119878911109991011131311975566
Feels °C (?)87106656798554457420-2-6-5-5-5
  • 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