Cable Bay (Porth Trecastell) Surf Break

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Lat Long: 53.22° N 4.51° W

Issued: 12 pm 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
16.0° C

1.7°C warmer than normal for this time of year

Cable Bay (Porth Trecastell) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Cable Bay (Porth Trecastell) today (05 Jul):

  • Morning surf: Morning surf (05 Jul, local time) - 2ft (0.6m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (05 Jul, local time) - 2ft (0.6m), 4s period with SW swell.
  • Evening surf: Evening surf (05 Jul, local time) - 2ft (0.6m), 4s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 3PM is: 0.6m 4s primary swell from a Southwest direction and 0.2m 3s secondary swell from a West-northwest direction (forecast issued at 12:00pm July 05). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (05 Jul)2ft (0.6m)6s
Afternoon (05 Jul)2ft (0.6m)4s
Evening (05 Jul)2ft (0.6m)4s

Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue afternoon, min 15°C on Sun night). Wind will be generally light.

Sun
5
Monday
6
Tuesday
7
Wed
8
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
6
0.6
SW
4
0.6
SW
4
0.6
SSW
4
0.5
SW
4
0.6
SW
4
0.6
SW
4
0.4
SSW
4
0.4
NW
4
0.4
SW
4
0.5
SW
3
0.6
SSW
4
0.6
SSW
4
0.6
SSW
5
0.5
SW
5
0.6
WNW
4
0.5
NW
4
0.4
NW
4
0.4
SW
4
0.4
SW
3
0.1
S
12
0.4
SW
4
0.1
S
12
0.2
SSW
4
Wave Graph
Metric surfscale
Energy kJ
21
10
9
8
7
12
12
6
4
4
4
9
12
14
10
12
9
4
4
2
3
3
3
1
Wind (km/h)
15
SW
20
WSW
15
SSW
20
SSW
20
S
20
SSW
15
SSW
15
SSW
15
SW
15
SW
20
SSW
20
S
15
S
10
SSW
10
WSW
10
WSW
10
SW
20
SW
15
SSW
20
SSW
15
S
10
S
10
SSW
5
SSW
Wind State
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
1:25PM3.28m
1:39AM3.69m
2:08PM3.22m
2:23AM3.59m
2:59PM3.16m
3:15AM3.47m
Low Tide
8:04AM0.60m
8:10PM0.86m
8:45AM0.69m
8:52PM1.00m
9:30AM0.79m
9:42PM1.13m
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:58
5:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:45
9:45
9:45
9:44
 mm
Temp °C
16
16
18
17
17
17
16
15
15
17
18
17
16
16
15
15
16
18
19
19
18
18
17
16
Feels °C
15
14
16
15
15
15
14
14
14
15
15
14
14
15
14
14
15
16
16
17
17
18
17
16
Swell 1
Height (m)
Direction
Period (s)
0.4
NW
4
0.3
NW
4
0.2
WNW
3
0.4
SSW
4
0.4
NW
4
0.2
WNW
3
0.2
WNW
3
0.1
NW
4
0.6
SSW
5
0.5
SW
5
0.4
SSW
4
0.5
NW
4
0.4
NW
4
0.3
NW
4
0.2
WNW
3
0.4
SW
4
0.3
SW
4
0.2
SSW
4
Energy kJ
4
2
1
6
3
1
1
1
14
10
8
9
4
2
1
3
2
1
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
4
0.2
WNW
4
0.4
NW
4
0.4
NW
4
0.4
SW
4
0.1
S
12
0.2
WNW
3
Energy kJ
2
1
4
6
4
3
1
Swell 3
Height (m)
Direction
Period (s)
0.1
S
12
0.1
S
12
Energy kJ
3
3
Wind waves
Height (m)
Direction
Period (s)
0.6
SW
6
0.6
SW
4
0.6
SW
4
0.6
SSW
4
0.5
SW
4
0.6
SW
4
0.6
SW
4
0.4
SW
4
0.4
SW
4
0.5
SW
3
0.6
SSW
4
0.6
SSW
4
0.2
WNW
3
0.5
NW
4
0.6
WNW
4
0.4
SW
4
0.4
SW
4
0.4
SW
3
0.4
SW
3
Energy kJ
21
10
9
8
7
12
12
4
4
4
9
12
1
7
12
4
4
2
3
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
185
333
313
299
299
292
261
261
261
244
244
352
261
261
261
261
261
352
363
350
261
260
256
246
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
3
2
2
1
2
1
1
1
Header Global
Rating
(10 max)
9
8
7
6
6
5
5
5
5
5
6
8
8
8
7
6
5
5
5
7
9
9
9
8
  • 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
How to use the Wavefinder 

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