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The Knap surf break
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The Knap Surf Forecast / Wales – South East / UK

48hr Weather and Surf, issued 11 am Monday 17 Jan 2022 GMT
Forecast update in  hr  min  s Update imminent
Today's The Knap sea temperature is 7.4 °C (Statistics for 17 Jan 1981-2005 - mean: 9.8 max: 10.9 min: 8.5 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
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Today's The Knap sea temperature is 7.4 °C (Statistics for 17 Jan 1981-2005 - mean: 9.8 max: 10.9 min: 8.5 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Wales - South East

  1. weather stationWind Update Continuing clean conditions at The Knap (calm at Cardiff-Wales Airport 4 km from The Knap).

    The Knap
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Actual: 46 min ago

Calm
4 km/h
SSE
Clean
Please reload the page to see if there are any updates.


How big are the waves at The Knap today?

The current surf forecast for The Knap at 5PM is: 0.1m 8s primary swell from a West direction (forecast issued at 11:00am January 17). The wind direction is predicted to be glassy.

Time (GMT) & DateWave HeightWave Period
Morning (17 Jan)0.5ft (0.1m)10s
Afternoon (17 Jan)0.5ft (0.1m)9s
Evening (17 Jan)0.5ft (0.1m)8s

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

Updates in  hr  min  s Update imminent
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
Temp. °C
Chill °C (?)
Sunrise
Sunset
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
000000000000000000000000000000000000000000000000000000000000
T unitedkingdom.htsgw.metric.6.cc23T unitedkingdom.htsgw.metric.12.cc23
T unitedkingdom.htsgw.metric.18.cc23T unitedkingdom.htsgw.metric.24.cc23T unitedkingdom.htsgw.metric.36.cc23
T unitedkingdom.htsgw.metric.42.cc23T unitedkingdom.htsgw.metric.48.cc23T unitedkingdom.htsgw.metric.60.cc23
T unitedkingdom.htsgw.metric.66.cc23T unitedkingdom.htsgw.metric.72.cc23T unitedkingdom.htsgw.metric.84.cc23
T unitedkingdom.htsgw.metric.90.cc23T unitedkingdom.htsgw.metric.96.cc23T unitedkingdom.htsgw.metric.108.cc23
T unitedkingdom.htsgw.metric.114.cc23T unitedkingdom.htsgw.metric.120.cc23T unitedkingdom.htsgw.metric.132.cc23
T unitedkingdom.htsgw.metric.138.cc23T unitedkingdom.htsgw.metric.144.cc23T unitedkingdom.htsgw.metric.156.cc23
T unitedkingdom.htsgw.metric.162.cc23T unitedkingdom.htsgw.metric.168.cc23T unitedkingdom.htsgw.metric.180.cc23
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
0.1
W
0.1
W
0.1
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
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
0.1
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
0.2
W
0.1
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
1099887777818181716161514141414131313131313121212121212121212121111111111881515141616131414121313131313121212
2221111111665202018161616141414141413121212121111111133332222114445534411133131312121111
5
WNW
0
NNE
0
ESE
5
E
5
ESE
10
ESE
10
ESE
5
ESE
10
ESE
5
SE
5
SSE
5
SSW
5
SW
10
WSW
10
SW
20
WSW
20
W
30
NNW
25
NW
25
NNW
20
NW
20
NW
20
NW
15
NNW
15
N
15
NNE
15
NNE
10
NNE
10
NNW
10
NNW
5
NW
10
NW
15
NW
15
NW
15
NW
15
NW
10
NW
10
WNW
10
WNW
15
NW
15
NW
10
NNW
0
NW
5
NNW
5
NNE
5
N
5
NNE
5
NE
5
ENE
0
NNE
5
WSW
10
W
15
WNW
15
WNW
15
W
15
W
15
WNW
20
NW
25
NNW
20
NW
glassglassglasscross-
off
crosscrosscrossglasscrosscross-
on
glassglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
glasscross-
off
glassglassglassglassglassglassglasscross-
on
crosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
6:30AM
10.13
6:48PM
10.06
7:06AM
10.53
7:24PM
10.38
7:42AM
10.84
7:59PM
10.61
8:16AM
11.03
8:34PM
10.72
8:52AM
11.09
9:10PM
10.69
9:28AM
11.00
9:48PM
10.53
10:06AM
10.77
10:28PM
10.23
10:49AM
10.39
12:39PM
2.33
12:54AM
2.14
1:17PM
1.95
1:30AM
1.84
1:53PM
1.68
2:05AM
1.65
2:28PM
1.54
2:40AM
1.59
3:02PM
1.54
3:15AM
1.65
3:38PM
1.66
3:51AM
1.84
4:15PM
1.91
4:30AM
2.15
4:57PM
2.26

Note: the tide data above is for Barry, Wales which is 2 km away. Surf properties and timing are calculated for The Knap.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at The Knap blow from the NNE

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
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-----------------1------------------------------------------
4567765556777678108866667334322345666554444555554445555678767
456664343566645574422224-1-110-10112333331111544543444322346324
8:10-------8:08-------8:07-------8:07-------8:06-------8:03-------8:03-------8:02---
--4:36-------4:37-------4:39-------4:40-------4:43-------4:45-------4:45-------4:47-

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.