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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 12 am Sunday 26 Mar 2023 BST
Forecast update in  hr  min  s Update imminent
Today's The Knap sea temperature is 8.1 °C (Statistics for 26 Mar 1981-2005 - mean: 9.3 max: 10.3 min: 7.6 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
The knap.12
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Today's The Knap sea temperature is 8.1 °C (Statistics for 26 Mar 1981-2005 - mean: 9.3 max: 10.3 min: 7.6 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Wales - South East

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

    The Knap
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1 h 41 min ago

Light
9 km/h
SE
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 7AM is: 0.5m 10s primary swell from a West direction (forecast issued at 11:00pm March 25). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (26 Mar)1.5ft (0.5m)10s
Afternoon (26 Mar)1.5ft (0.5m)11s
Evening (26 Mar)1.5ft (0.4m)12s

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

Updates in  hr  min  s Update imminent
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
01
Sunday
02
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
000000000000000000000000000000000000000000000000000000000000
Swell
Height Map
T unitedkingdom.htsgw.metric.3.cc23T unitedkingdom.htsgw.metric.6.cc23T unitedkingdom.htsgw.metric.12.cc23
T unitedkingdom.htsgw.metric.24.cc23T unitedkingdom.htsgw.metric.27.cc23T unitedkingdom.htsgw.metric.33.cc23
T unitedkingdom.htsgw.metric.48.cc23T unitedkingdom.htsgw.metric.51.cc23T unitedkingdom.htsgw.metric.57.cc23
T unitedkingdom.htsgw.metric.72.cc23T unitedkingdom.htsgw.metric.75.cc23T unitedkingdom.htsgw.metric.81.cc23
T unitedkingdom.htsgw.metric.96.cc23T unitedkingdom.htsgw.metric.99.cc23T unitedkingdom.htsgw.metric.105.cc23
T unitedkingdom.htsgw.metric.120.cc23T unitedkingdom.htsgw.metric.123.cc23T unitedkingdom.htsgw.metric.129.cc23
T unitedkingdom.htsgw.metric.144.cc23T unitedkingdom.htsgw.metric.147.cc23T unitedkingdom.htsgw.metric.153.cc23
T unitedkingdom.htsgw.metric.168.cc23T unitedkingdom.htsgw.metric.171.cc23T unitedkingdom.htsgw.metric.177.cc23
Wave Height (m) & direction (?)
0.6
W
0.5
W
0.4
WSW
0.5
W
0.5
W
0.5
W
0.4
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.2
W
0.2
W
0.2
W
0.2
WSW
0.3
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.3
WSW
0.5
SW
0.7
WSW
0.8
WSW
0.7
WSW
0.7
WSW
0.8
WSW
0.8
WSW
0.7
W
0.6
W
0.6
W
0.6
WSW
0.5
W
0.4
WSW
0.9
WSW
1.6
WSW
1.6
WSW
1.5
W
1.5
W
1.4
W
1.1
W
0.9
W
0.7
W
0.6
W
0.6
W
0.5
W
0.5
W
0.5
W
0.5
W
0.6
W
0.4
WSW
0.3
WSW
0.3
WSW
Period(s) (?)11111110101111111212111111111110101010101089131313121213131314141313131313131212121314141198131313121212121211111111
Wave
Graph
(?)Metric surfscale
Energy (?)89613855525738404746422424232222222188761558555550288515619818919523623616812312112575482478809668805333271532801661211127572696794432525
Wind
(km/h)
15
ESE
20
SE
10
SSW
15
WSW
20
NNE
30
NNE
25
NNE
15
NNE
10
NE
10
E
10
ESE
10
ESE
10
ESE
15
ESE
10
E
15
SE
20
SE
20
SE
25
SSE
30
S
30
S
35
S
30
SSE
30
S
20
S
15
S
10
SSE
20
SSW
25
SSW
25
SW
35
SW
35
WSW
30
WSW
30
WSW
35
WSW
30
WSW
25
WSW
20
SW
30
SSW
35
SSE
35
SW
50
SW
65
WSW
55
WSW
50
WSW
45
WSW
45
WSW
40
WSW
40
WSW
45
WSW
45
WSW
50
W
45
W
20
NW
30
NE
25
NE
25
NE
20
NE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
oncross-
on
offoffoffoffoffcross-
off
crosscrosscrosscrosscross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
ononcross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
10:19PM
11.51
10:36AM
11.22
10:55PM
10.76
11:13AM
10.29
11:32PM
9.88
11:52AM
9.28
12:15AM
8.95
12:41PM
8.30
1:14AM
8.11
2:00PM
7.55
2:54AM
7.65
3:55PM
7.46
4:36AM
7.94
5:16PM
8.04
5:40AM
8.64
Low Tide
/ height (m)
4:18AM
1.07
4:36PM
1.41
4:53AM
1.81
5:11PM
2.22
5:31AM
2.67
5:50PM
3.11
6:17AM
3.57
6:40PM
3.99
7:22AM
4.36
7:59PM
4.66
9:09AM
4.71
9:57PM
4.72
10:57AM
4.32
11:23PM
4.13

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

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
01
Sunday
02
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
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Rain (mm)
14741---------------2122----1222------11031---1---1444421----
Temp. °C8877788876555677567888789101011121312111010101011121210121210101011111010109998766421
Feels °C (?)545431243322124301111101578879544434686353-4-20221110-10310-1-2-3-4
Sunrise----7:03-------7:01------6:58-------6:56-------6:54-------6:52-------6:50-------6:47
Sunset-------7:35-------7:37-------7:37-------7:39-------7:42-------7:43-------7:45----

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.