The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 5 pm Saturday 21 Feb 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
7.6° C
(Which is 1.4°C colder than average for this time of year)


How big are the waves at The Knap today?

The current surf forecast for The Knap at 12AM is: 0.4m 16s primary swell from a West-southwest direction and 0.5m 9s secondary swell from a West direction (forecast issued at 05:00pm February 21). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (22 Feb)2ft (0.6m)9s
Afternoon (22 Feb)2.5ft (0.7m)13s
Evening (22 Feb)2.5ft (0.7m)14s

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

Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tuesday
24
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 (?)
0.7
W
0.7
W
0.7
W
0.4
WSW
0.7
WSW
0.7
W
0.6
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.4
WSW
0.7
W
0.7
W
0.4
WSW
0.5
W
0.5
W
0.3
WSW
0.3
W
0.5
W
Period(s) (?)171616161614914131314141415151515151499131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)283257248832532036319817617319220020621822474215212694039342972
Wind
(km/h)
30
WSW
35
WSW
30
WSW
25
SW
30
SW
30
WSW
30
WSW
30
WSW
30
WSW
30
WSW
35
WSW
35
WSW
30
WSW
35
WSW
30
WSW
25
SW
40
WSW
35
WSW
25
WSW
20
SW
15
SW
15
SSW
15
S
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
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononon
High Tide
/ height (m)
9:30PM
11.49
9:48AM
11.53
10:09PM
11.00
10:30AM
10.84
10:53PM
10.29
11:18AM
9.96
Low Tide
/ height (m)
3:17PM
0.79
3:31AM
1.00
3:53PM
1.20
4:09AM
1.52
4:32PM
1.84
4:52AM
2.25
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise------7:13-------7:11-------7:09-
Sunset5:37-------5:39-------5:42-------
cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
----33----------1-------
Temp. °C121111111111111111101099101111121212111091013
Feels °C (?)745656555432234655777669
  • 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