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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 Tuesday 17 Feb 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Today's The Knap sea temperature is
7.8° C
 (Which is 1.3°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 1PM is: 0.5m 13s primary swell from a West direction (forecast issued at 05:00am February 17). The wind direction is predicted to be glassy.

Time (GMT) & DateWave HeightWave Period
Morning (17 Feb)2ft (0.6m)13s
Afternoon (17 Feb)1.5ft (0.5m)13s
Evening (17 Feb)1.5ft (0.4m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
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
1
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
W
0.7
W
0.6
W
0.5
W
0.5
W
0.4
WSW
0.4
WSW
0.3
WSW
0.3
W
0.2
W
0.2
W
0.2
WSW
0.2
WSW
0.3
WSW
0.3
WSW
0.4
WSW
0.4
WSW
0.5
W
0.7
WSW
0.7
W
0.7
W
0.8
W
0.6
W
0.5
W
Period(s) (?)1313131313121212121211111111121212141413131299
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2191671238786524928251110121224274646971951761661935537
Wind
(km/h)
20
NW
15
NW
10
NW
0
ESE
10
ESE
20
ESE
30
ESE
35
E
35
E
30
E
35
E
35
E
40
E
45
ENE
40
NE
35
NE
30
NNE
20
NNW
15
N
10
NNW
10
NNW
10
NNW
10
NNW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		glasscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
6:52AM
10.87
7:10PM
10.87
7:26AM
11.47
7:44PM
11.38
8:00AM
11.89
8:18PM
11.67
Low Tide
/ height (m)
12:46AM
1.93
1:07PM
1.53
1:19AM
1.34
1:39PM
1.02
1:52AM
0.91
2:12PM
0.71
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise--7:22-------7:20-------7:20-----
Sunset----5:30-------5:32-------5:34---
clear
clear
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
light rain
mod rain
mod rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
Rain (mm)
-------22---286311------
Temp. °C544665422334444433334433
Feels °C (?)-1-1042-1-4-7-7-5-5-5-5-6-6-4-5-2-2-100-10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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