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 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
17.1° C
1.8° 

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 (27 Jul):

  • Afternoon surf: Afternoon surf (27 Jul, local time) - 2.5ft (0.8m), 4s period with SW swell.
  • Evening surf: Evening surf (27 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 10PM is: 0.7m 4s primary swell from a Southwest direction (forecast issued at 06:00pm July 27). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (27 Jul)--
Afternoon (27 Jul)2.5ft (0.8m)4s
Evening (27 Jul)2.5ft (0.7m)4s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Mon afternoon, min 14°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the WNW by Wed night).

Mon
27
Tuesday
28
Wednesday
29
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)
0.9
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
4
0.7
SW
6
0.8
SSW
4
1
SSW
5
1.3
SSW
5
1.3
SSW
5
1.3
SSW
5
1.2
SW
5
1.1
SW
5
0.9
SSW
5
0.9
SSW
4
0.8
SSW
4
0.8
SSW
4
0.9
SSW
4
1
SW
5
0.9
SW
5
Wave Graph
Metric surfscale
Energy kJ
31
22
18
17
33
19
44
77
77
94
82
57
39
30
22
20
28
45
38
Wind (km/h)
20
SSW
20
SSW
20
S
20
S
20
S
25
S
30
SSW
30
SSW
30
SSW
30
SSW
25
S
25
S
25
S
25
SSW
25
SSW
25
SSW
30
SSW
20
SW
10
WNW
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross
High Tide
9:19PM3.52m
9:41AM3.38m
9:56PM3.72m
10:17AM3.50m
Low Tide
3:37PM0.90m
4:03AM0.71m
4:13PM0.71m
4:39AM0.51m
4:47PM0.55m
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:20
9:17
 mm
Temp °C
17
18
17
17
17
16
17
18
18
17
17
17
16
16
17
18
18
17
15
Feels °C
14
16
15
16
16
13
13
14
14
13
14
14
13
13
14
14
13
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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