The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 5 pm Sunday 15 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
8.6° C
(Which is slightly cooler than normal)

How big are the waves at The Knap today?

The current surf forecast for The Knap at 2AM is: 0.8m 8s primary swell from a West direction and 0.1m 21s secondary swell from a West direction (forecast issued at 05:00pm March 15). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (16 Mar)2.5ft (0.7m)8s
Afternoon (16 Mar)2.5ft (0.7m)17s
Evening (16 Mar)2ft (0.6m)8s

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


Updates in  hr  min  s Forecast update imminent
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
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 (?)
0.6
WSW
0.8
W
0.8
W
0.9
W
0.8
W
0.7
W
0.7
W
0.7
W
0.7
W
0.6
W
0.6
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.4
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.3
WSW
Period(s) (?)778899818178888889913131212121216
Wave
Graph
(?)Metric surfscale
Energy kJ (?)345572104937368304297484333353637404485855149484853
Wind
(km/h)
40
WSW
35
W
40
W
40
W
20
WNW
20
WSW
30
WSW
30
WSW
25
SW
25
WSW
20
SW
20
SSW
15
SSW
15
S
20
S
25
S
25
SSE
15
SE
10
ESE
10
E
10
E
15
ENE
20
E
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross
High Tide
/ height (m)
4:49PM
8.57
5:09AM
9.25
5:31PM
9.48
5:48AM
10.18
6:08PM
10.37
6:24AM
11.04
Low Tide
/ height (m)
11:00PM
3.51
11:27AM
2.93
11:42PM
2.63
12:05PM
2.06
12:19AM
1.80
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise------6:26-------6:24-------6:20-
Sunset-6:15-------6:17-------6:20------
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
--------1---------------
Temp. °C108876799910888891112109898914
Feels °C (?)10-1-202233434445577756449
  • 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

Latest Updates

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