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 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
15.9° C

1.6°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 (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 3ft (0.9m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 3.5ft (1.0m), 5s period with SW swell.
  • Evening surf: Evening surf (04 Jul, local time) - 2.5ft (0.8m), 4s period with WSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 9PM is: 0.8m 4s primary swell from a West-southwest direction (forecast issued at 12:00pm July 04). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (04 Jul)3ft (0.9m)5s
Afternoon (04 Jul)3.5ft (1.0m)5s
Evening (04 Jul)2.5ft (0.8m)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. Warm (max 20°C on Sat afternoon, min 15°C on Sun night). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the SSW by Sun night).

Sat
4
Sunday
5
Monday
6
Tue
7
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
Wave
Height (m)
Direction
Period (s)
1.1
SW
5
1.1
SW
5
1
SW
5
0.9
SW
4
0.8
WSW
4
0.9
WSW
4
0.9
WSW
4
0.8
WSW
4
0.7
SW
4
0.7
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
4
0.5
SW
4
0.5
NW
4
0.4
NW
4
0.4
NW
4
0.4
SW
5
0.4
SSW
3
0.6
SSW
4
0.6
SW
4
0.6
SW
4
0.5
SW
5
0.5
NW
4
Wave Graph
Metric surfscale
Energy kJ
47
49
41
29
26
29
30
20
15
14
18
17
17
9
8
5
5
6
3
9
14
16
10
8
Wind (km/h)
30
SW
25
SW
25
SW
15
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
SW
20
SW
20
SW
20
SSW
15
SSW
5
SW
10
WNW
5
SSW
20
SSW
15
SW
20
SSW
20
S
15
S
15
S
10
S
10
SW
Wind State
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
12:48PM3.35m
1:02AM3.78m
1:25PM3.28m
1:39AM3.69m
2:08PM3.22m
2:23AM3.59m
Low Tide
7:25AM0.52m
7:31PM0.73m
8:04AM0.60m
8:10PM0.86m
8:45AM0.69m
8:52PM1.00m
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:58
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:45
9:45
9:45
 mm
Temp °C
17
18
19
20
19
17
16
16
17
17
19
18
18
17
15
15
15
15
18
17
17
16
16
16
Feels °C
13
14
16
18
18
16
15
15
15
15
17
16
17
17
14
15
13
13
16
14
16
15
15
15
Swell 1
Height (m)
Direction
Period (s)
0.4
NW
4
0.2
WNW
4
0.7
SW
5
0.4
NW
4
0.3
NW
4
0.1
NW
4
0.6
SSW
4
0.5
SW
4
0.4
SSW
4
0.4
NW
4
0.4
NW
4
0.3
NW
4
0.2
WNW
3
0.1
NW
4
0.6
SW
4
0.5
SW
5
0.5
NW
4
Energy kJ
5
2
30
6
2
1
12
9
7
4
3
2
1
1
16
10
8
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
4
0.2
WNW
4
0.1
NW
4
0.2
WNW
4
0.4
SW
4
0.3
NW
4
0.4
SSW
4
Energy kJ
4
1
1
1
5
2
8
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.1
SW
5
1.1
SW
5
1
SW
5
0.9
SW
4
0.8
WSW
4
0.9
WSW
4
0.9
WSW
4
0.8
WSW
4
0.7
SW
4
0.7
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
4
0.4
WNW
4
0.5
NW
4
0.4
SW
4
0.4
SW
5
0.4
SSW
3
0.6
SSW
4
0.6
SW
4
0.2
WNW
3
0.4
WNW
4
Energy kJ
47
49
41
29
26
29
28
20
15
14
18
17
17
6
8
5
6
3
9
14
1
6
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Distance (km)
541
541
412
333
381
185
185
44
185
261
299
299
299
302
261
261
261
261
333
302
261
261
261
261
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
1
1
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
9
9
9
8
7
5
5
6
5
5
5
5
9
8
8
8
7
5
  • 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 

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 Cable Bay (Porth Trecastell) 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.


Nearest locationNearest