Cable Bay (Porth Trecastell) Surf Break

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Lat Long: 53.22° N 4.51° W

Issued: 6 am 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) - 2.5ft (0.7m), 4s period with SW swell.
  • Evening surf: Evening surf (05 Jul, local time) - 2ft (0.6m), 4s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 11AM is: 0.6m 6s primary swell from a Southwest direction and 0.4m 4s secondary swell from a Northwest direction, 0.3m 4s secondary swell from a Northwest direction (forecast issued at 06:00am 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)2.5ft (0.7m)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.

Sunday
5
Monday
6
Tuesday
7
Wed
8
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
10 AM
1 PM
4 PM
7 PM
10 PM
1 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
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
5
0.8
WSW
4
0.6
SW
6
0.7
SW
4
0.7
SW
4
0.7
SW
4
0.6
SW
4
0.6
SW
4
0.5
SW
4
0.4
SSW
4
0.4
WSW
4
0.4
SW
4
0.4
SW
5
0.6
SSW
3
0.5
SW
4
0.5
SW
4
0.5
SW
4
0.5
NW
4
0.5
NW
4
0.4
NW
4
0.3
NW
4
0.4
SW
2
0.1
S
12
0.1
S
12
Wave Graph
Metric surfscale
Energy kJ
35
19
21
15
16
16
14
14
9
6
5
4
6
7
7
9
10
8
8
4
2
2
3
3
Wind (km/h)
15
WSW
10
SW
15
SW
20
WSW
15
SSW
20
SSW
20
SSW
20
SSW
15
SSW
10
SSW
10
SW
15
SW
20
SSW
20
S
15
S
10
S
10
SSW
10
SW
10
SSW
20
SW
15
SSW
15
SSW
15
S
10
S
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
1:25PM3.28m
1:39AM3.69m
2:08PM3.22m
2:23AM3.59m
2:59PM3.16m
Low Tide
8:04AM0.60m
8:10PM0.86m
8:45AM0.69m
8:52PM1.00m
9:30AM0.79m
9:42PM1.13m
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
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
15
16
17
18
17
17
17
16
15
15
17
18
18
17
17
16
15
17
18
19
19
19
19
Feels °C
15
14
15
15
17
15
15
15
14
14
14
15
15
15
16
16
15
14
16
15
16
17
17
18
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
6
0.4
NW
4
0.3
NW
4
0.5
SW
4
0.4
SSW
4
0.3
NW
4
0.3
NW
4
0.2
WNW
3
0.5
SW
4
0.5
SW
4
0.4
SW
4
0.5
NW
4
0.4
NW
4
0.3
NW
4
0.1
S
12
Energy kJ
31
4
2
9
6
2
2
1
9
10
5
8
4
2
3
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
4
0.4
NW
4
0.4
SW
4
0.1
S
12
0.1
S
12
Energy kJ
2
4
4
3
3
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.9
WSW
5
0.8
WSW
4
0.6
SW
6
0.7
SW
4
0.7
SW
4
0.7
SW
4
0.6
SW
4
0.6
SW
4
0.4
NW
4
0.4
WSW
4
0.4
SW
4
0.4
SW
5
0.6
SSW
3
0.5
SW
4
0.2
WNW
3
0.5
NW
4
0.5
NW
4
0.3
SW
4
0.2
SSW
4
0.4
SW
2
0.4
SW
3
0.4
SW
3
Energy kJ
35
19
21
15
16
16
14
14
3
5
4
6
7
7
1
7
8
3
2
2
2
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
173
44
185
342
299
299
299
294
294
261
261
261
244
333
256
261
261
261
261
302
352
350
260
256
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
Header Global
Rating
(10 max)
9
9
9
8
7
6
5
5
6
5
5
6
9
8
8
8
7
5
5
5
5
7
9
9
  • 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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