Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 12 pm 05 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
16.4°C
2.0° 

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 Oct):

  • Morning surf: Morning surf (05 Oct, local time) - 4.5ft (1.3m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (05 Oct, local time) - 3.5ft (1.1m), 6s period with SW swell.
  • Evening surf: Evening surf (05 Oct, local time) - 2.5ft (0.7m), 5s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 4PM is: 1.1m 6s primary swell from a Southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00pm October 05). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (05 Oct)4.5ft (1.3m)6s
Afternoon (05 Oct)3.5ft (1.1m)6s
Evening (05 Oct)2.5ft (0.7m)5s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Tue night. Very mild (max 17°C on Mon afternoon, min 11°C on Tue night). Winds increasing (light winds from the SW on Mon night, fresh winds from the NNW by Wed night).

Mon
5
Tuesday
6
Wednesday
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
Rating
(10 max)
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)
1.4
SW
6
1.3
SW
6
1.1
SW
6
0.9
SW
5
0.7
SW
5
0.6
SSW
5
0.5
SW
5
0.4
SSW
5
0.5
SSW
4
0.3
SW
4
0.2
SSW
4
0.2
SSW
4
0.1
SW
4
0.6
N
4
0.1
SW
7
0.9
N
4
0.9
NNW
4
0.9
NNW
4
0.1
W
6
0.1
W
6
1.6
NNW
6
Wave Graph
Metric surfscale
Energy kJ
110
101
77
41
27
17
12
9
9
3
2
1
1
0
2
0
0
0
1
1
0
Wind (km/h)
30
SW
25
SW
20
SW
15
SW
10
SSW
5
SW
10
SSW
10
SSW
10
S
10
ENE
20
NNE
20
NNE
20
NNE
25
N
20
N
20
N
25
N
30
NNW
25
NW
30
NW
30
NNW
Wind State
on
on
on
on
cross-on
on
on
cross-on
cross-on
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:48PM3.25m
6:56AM3.13m
7:04PM3.52m
7:53AM3.38m
7:57PM3.82m
Low Tide
11:57AM1.25m
00:46AM0.82m
1:13PM1.02m
1:51AM0.50m
2:11PM0.71m
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
light rain
cloud
cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
—
—
—
—
—
—
7:26
—
—
—
—
—
—
—
7:28
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:45
—
—
—
—
—
—
—
6:44
—
—
—
—
—
—
—
6:42
—
—
 mm
—
—
—
—
—
—
—
—
1
1
1
—
—
1
3
—
—
—
—
—
—
Temp °C
16
16
17
16
17
16
16
15
15
14
12
12
11
11
11
11
11
12
12
12
11
Feels °C
12
13
14
15
17
16
15
14
15
13
8
8
7
7
7
6
5
5
6
5
3
  • 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