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 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
17.2° C
1.9° 

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):

  • Afternoon surf: Afternoon surf (26 Jul, local time) - 4.5ft (1.4m), 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 9PM is: 1.0m 5s primary swell from a West-northwest direction and 0.3m 6s secondary swell from a Southwest direction (forecast issued at 06:00pm July 26). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (26 Jul)--
Afternoon (26 Jul)4.5ft (1.4m)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

Mostly dry. Very mild (max 19°C on Tue afternoon, min 14°C on Sun night). Mainly fresh winds.

Sun
26
Monday
27
Tuesday
28
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)
1.3
WNW
5
1.1
WNW
5
0.9
WNW
5
1.1
NW
5
1.1
NW
5
1.1
NW
5
0.6
NW
5
0.8
SW
4
0.8
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
5
0.7
SW
6
0.8
SSW
6
1
SSW
5
1.3
SSW
5
1.3
SSW
5
1.2
SW
5
1.1
SW
5
Wave Graph
Metric surfscale
Energy kJ
94
61
37
49
66
57
17
18
26
22
20
23
32
40
48
77
80
79
66
Wind (km/h)
30
WNW
25
WNW
25
NW
30
WNW
20
WNW
20
WNW
20
SW
20
SSW
20
SSW
20
S
20
S
20
S
15
S
20
S
30
SSW
30
SSW
30
SSW
30
SSW
20
S
Wind State
cross
cross-on
cross
cross
cross
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
High Tide
8:35PM3.31m
9:01AM3.24m
9:19PM3.52m
9:41AM3.38m
9:56PM3.72m
Low Tide
2:56PM1.10m
3:23AM0.93m
3:37PM0.90m
4:03AM0.71m
4:13PM0.71m
cloud
clear
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:22
9:20
 mm
Temp °C
17
17
17
15
14
14
15
14
16
17
17
17
17
17
18
18
19
18
17
Feels °C
11
13
13
10
10
10
11
11
13
15
16
15
16
15
14
14
15
14
14
  • 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.


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