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Surf Forecasts:

The Knap surf break

The Knap surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 5 am Friday 21 Nov 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
11.8° C
 (Which is slightly cooler than normal)

How big are the waves at The Knap today?

The current surf forecast for The Knap at 8AM is: 0.2m 5s primary swell from a West direction and 0.1m 10s secondary swell from a West direction (forecast issued at 05:00am November 21). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (21 Nov)0.5ft (0.2m)5s
Afternoon (21 Nov)0.5ft (0.1m)14s
Evening (21 Nov)0.5ft (0.1m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
21
Saturday
22
Sunday
23
Mon
24
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 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 (?)
0.1
W
0.1
W
0.2
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.2
W
0.6
WSW
0.4
WSW
0.4
W
0.2
W
0.2
W
0.2
W
0.4
W
0.7
W
0.9
W
1.2
W
1.5
W
1.6
W
1.4
W
1.2
W
Period(s) (?)11115151414141313137771312127881011121110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)332544433133618161312111557108262553702474308
Wind
(km/h)
15
N
10
NNW
5
NNW
0
E
10
SSW
15
SW
20
SSW
25
SSW
30
SSW
35
SSW
35
SSW
20
WNW
20
WNW
15
WNW
15
SW
15
SSW
30
SSW
35
WNW
40
W
40
WNW
40
W
40
W
45
W
50
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		glassonononononononcrosscrosscrossonononcrosscrosscrosscrosscross-
on		cross-
on		cross-
on
High Tide
/ height (m)
7:05AM
10.86
7:20PM
10.69
7:37AM
10.85
7:53PM
10.55
8:10AM
10.69
8:27PM
10.28
Low Tide
/ height (m)
12:49AM
1.61
1:08PM
1.65
1:22AM
1.61
1:41PM
1.70
1:55AM
1.76
2:16PM
1.89
Friday
21
Saturday
22
Sunday
23
Mon
24
Sunrise--7:39-------7:41-------7:43-----
Sunset----4:16-------4:15-------4:15---
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
clear
cloud
cloud
cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
Rain (mm)
---------32----111------
Temp. °C445566676710101099810109109999
Feels °C (?)-10232200-2-13565643201-1-1-1-3
  • 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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