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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 Thursday 12 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
8.5° C
 (Which is slightly cooler than normal)

How big are the waves at The Knap today?

The current surf forecast for The Knap at 3AM is: 1.2m 11s primary swell from a West direction (forecast issued at 11:00pm March 12). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (13 Mar)3.5ft (1.1m)11s
Afternoon (13 Mar)3.5ft (1.0m)11s
Evening (13 Mar)2.5ft (0.7m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
13
Saturday
14
Sunday
15
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 (?)
1.1
WSW
1.3
WSW
1.2
W
1.1
W
1.1
W
1.1
W
1
W
0.9
W
0.7
W
0.6
W
0.6
W
0.5
W
0.5
W
0.4
W
0.4
W
0.3
W
0.3
W
0.3
W
0.3
W
0.3
W
0.3
W
0.4
WSW
0.6
W
0.7
W
Period(s) (?)1111111111111113101091010101099999111056
Wave
Graph
(?)Metric surfscale
Energy kJ (?)285394351297313295240280108686245442828161513131420301734
Wind
(km/h)
50
SW
55
WSW
45
W
40
W
35
WSW
40
W
35
W
30
W
20
W
15
NW
15
NW
15
WNW
15
WNW
20
W
20
W
15
W
10
WSW
10
WSW
15
WSW
15
SW
20
SW
35
SW
45
W
40
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononcross-
on		cross-
on
High Tide
/ height (m)
1:00AM
7.70
2:00PM
7.39
2:57AM
7.69
3:47PM
7.76
4:18AM
8.35
4:49PM
8.57
Low Tide
/ height (m)
6:28PM
4.44
7:24AM
4.67
8:14PM
4.75
9:21AM
4.53
9:58PM
4.32
10:39AM
3.81
Friday
13
Saturday
14
Sunday
15
Sunrise----6:33-------6:30-------6:28---
Sunset-------6:13-------6:15-------6:15
light rain
light rain
rain showers
part cloud
cloud
rain showers
rain showers
part cloud
light rain
part cloud
cloud
cloud
clear
clear
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
clear
clear
Rain (mm)
321--11-1---------------
Temp. °C12966676544546887666679108
Feels °C (?)3-2-5-4-3-2-3-3-1-10-123222221221-1
  • 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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