Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 6 pm 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
16.9° C
1.6° 

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 (26 Jul):

  • Morning surf: Morning surf (26 Jul, local time) - 4.5ft (1.4m), 5s period with WNW swell.
  • Afternoon surf: Afternoon surf (26 Jul, local time) - 4.5ft (1.3m), 5s period with WNW swell.
  • Evening surf: Evening surf (26 Jul, local time) - 3.5ft (1.0m), 5s period with WNW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 1AM is: 0.9m 4s primary swell from a Southwest direction (forecast issued at 06:00pm July 25). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (26 Jul)4.5ft (1.4m)5s
Afternoon (26 Jul)4.5ft (1.3m)5s
Evening (26 Jul)3.5ft (1.0m)5s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 19°C on Tue morning, min 14°C on Sun night). Winds increasing (light winds from the SW on Sat night, fresh winds from the WNW by Sun morning).

Sat
25
Sunday
26
Monday
27
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
Rating
(10 max)
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
Wave
Height (m)
Direction
Period (s)
0.8
WSW
4
0.6
SSW
4
0.6
SW
4
0.9
SW
4
1.1
SW
5
1.1
WNW
5
1.5
WNW
6
1.4
WNW
6
1.3
WNW
5
1.1
WNW
5
1
WNW
5
1.1
NW
5
1.2
NW
5
1
NW
5
0.6
WNW
4
0.8
SW
4
0.9
SW
4
0.9
SW
5
0.7
SW
5
Wave Graph
Metric surfscale
Energy kJ
24
12
16
31
55
54
129
119
94
61
44
53
76
49
13
19
28
32
23
Wind (km/h)
20
SW
15
SW
10
SW
25
WSW
30
W
30
W
35
WNW
35
WNW
30
WNW
25
WNW
25
WNW
25
NW
20
WNW
20
W
25
SW
25
SSW
25
SSW
20
SSW
15
SSW
Wind State
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
on
on
cross-on
cross-on
on
High Tide
7:44PM3.13m
8:13AM3.09m
8:35PM3.31m
9:01AM3.24m
9:19PM3.52m
Low Tide
2:06PM1.28m
2:38AM1.14m
2:56PM1.10m
3:23AM0.93m
3:37PM0.90m
light rain
cloud
cloud
cloud
rain showers
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:24
9:22
9:22
 mm
1
1
Temp °C
16
16
17
16
16
15
15
16
16
17
17
15
15
14
15
15
16
17
18
Feels °C
14
14
17
12
12
10
9
10
10
13
13
10
12
11
11
11
12
15
17
  • 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