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Surf Forecasts:

The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 11 pm Friday 13 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
8.8° 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 6AM is: 0.5m 10s primary swell from a West direction and 0.3m 13s secondary swell from a West-southwest direction (forecast issued at 11:00pm March 13). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (14 Mar)1.5ft (0.5m)13s
Afternoon (14 Mar)1.5ft (0.4m)13s
Evening (14 Mar)1ft (0.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Saturday
14
Sunday
15
Monday
16
9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM
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
See all maps
Wave Height (m) & direction (?)
0.6
W
0.6
W
0.4
WSW
0.5
W
0.5
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
0.4
SW
0.6
W
0.7
W
0.8
W
0.9
W
0.9
W
0.8
W
0.7
W
0.7
W
0.7
W
0.3
W
Period(s) (?)101014101313139999999567899981817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)787663458782501515141414142117355510212399736830052
Wind
(km/h)
15
W
15
WNW
15
NW
15
NW
10
NW
10
W
15
W
15
W
10
W
10
WSW
15
SW
20
SW
20
SSW
35
SW
40
W
40
W
40
W
40
WNW
25
WNW
15
W
25
WSW
25
WSW
30
WSW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		cross-
off		crosscrosscrosscross-
on		cross-
on		ononononcrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
2:57AM
7.69
3:47PM
7.76
4:18AM
8.35
4:49PM
8.57
5:09AM
9.25
5:31PM
9.48
Low Tide
/ height (m)
8:14PM
4.75
9:21AM
4.53
9:58PM
4.32
10:39AM
3.81
11:00PM
3.51
11:27AM
2.93
Saturday
14
Sunday
15
Monday
16
Sunrise----6:30-------6:28-------6:26---
Sunset-------6:15-------6:15-------6:17
cloud
clear
clear
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
cloud
part cloud
light rain
cloud
part cloud
part cloud
Rain (mm)
--------------------1---
Temp. °C555568876657791087766891010
Feels °C (?)011124333312212-1-3-2-122333
  • 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

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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.

View detailed surf forecast for The Knap at:
surf-forecast.com

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