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Surf Forecasts:

The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 11 am Thursday 20 Nov 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
12.1° 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 5PM is: 0.2m 6s primary swell from a West-northwest direction and 0.1m 11s secondary swell from a West direction (forecast issued at 11:00am November 20). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (20 Nov)1ft (0.3m)6s
Afternoon (20 Nov)1ft (0.3m)6s
Evening (20 Nov)0.5ft (0.2m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
Sunday
23
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
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 (?)
0.3
WNW
0.3
WNW
0.3
WNW
0.2
WNW
0.2
WNW
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
0.2
W
0.7
WSW
0.4
WSW
0.4
W
0.2
W
0.2
W
0.2
W
0.6
WSW
0.8
W
Period(s) (?)66666111111171514141413131377713121278
Wave
Graph
(?)Metric surfscale
Energy kJ (?)776333336544433134718161312113682
Wind
(km/h)
15
NNW
20
NNW
20
NNW
15
NNW
20
NNW
15
NNW
15
NNW
10
NNW
10
NNW
5
W
10
WSW
15
SW
20
SW
25
SW
30
SW
35
SSW
30
SSW
15
NW
20
WNW
15
WNW
15
SW
20
SSW
35
SSW
40
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
on		ononononononcross-
off		crosscrossonononcross-
on
High Tide
/ height (m)
6:32AM
10.73
6:48PM
10.70
7:05AM
10.86
7:20PM
10.69
7:37AM
10.85
7:53PM
10.55
Low Tide
/ height (m)
12:35PM
1.76
12:49AM
1.61
1:08PM
1.65
1:22AM
1.61
1:41PM
1.70
1:55AM
1.76
Thursday
20
Friday
21
Saturday
22
Sunday
23
Sunrise7:37-------7:39-------7:41-------
Sunset--4:17-------4:16-------4:15-----
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
part cloud
cloud
part cloud
cloud
cloud
rain showers
Rain (mm)
---------------221-----1
Temp. °C46655444567777681010109981011
Feels °C (?)-2-100-1-1-10133210-1046656333
  • 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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