Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 11 am 13 Nov 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
12.7°C
0.7° 

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 (13 Nov):

  • Morning surf: Morning surf (13 Nov, local time) - 1.5ft (0.4m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (13 Nov, local time) - 1.5ft (0.4m), 9s period with SW swell.
  • Evening surf: Evening surf (13 Nov, local time) - 1ft (0.3m), 9s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 6PM is: 0.4m 9s primary swell from a Southwest direction (forecast issued at 11:00am November 13). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (GMT) & DateWave HeightWave Period
Morning (13 Nov)1.5ft (0.4m)9s
Afternoon (13 Nov)1.5ft (0.4m)9s
Evening (13 Nov)1ft (0.3m)9s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sun morning. Very mild (max 11°C on Sat afternoon, min 5°C on Sun night). Winds increasing (calm on Fri morning, strong winds from the NW by Sun afternoon).

Fri
13
Saturday
14
Sunday
15
Mon
16
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.3
SW
9
0.6
SW
8
0.9
SSW
4
1
SSW
4
1.2
SSW
5
1.6
SSW
5
1.9
SSW
6
2.1
SSW
6
2.3
SSW
7
2.4
SSW
7
2.2
SSW
7
2.3
SSW
7
2
SSW
7
1.5
SSW
8
1
SSW
8
2.3
NW
6
0.6
SSW
7
0.6
SSW
8
0.6
WSW
10
0.6
SSW
9
Wave Graph
Metric surfscale
Energy kJ
21
21
21
20
12
44
24
40
61
156
263
355
473
527
457
485
418
264
120
387
37
37
63
53
Wind (km/h)
5
N
5
WNW
10
WSW
10
WSW
15
SSW
20
SSW
30
SSW
30
SSW
35
S
40
S
40
S
40
S
45
S
45
S
40
S
40
SSE
25
S
25
WNW
35
W
45
NW
40
N
25
N
25
NW
20
WNW
Wind State
glassy
glassy
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
High Tide
11:07AM3.70m
11:32PM3.34m
11:46AM3.51m
00:14AM3.09m
12:31PM3.31m
1:04AM2.87m
Low Tide
6:05PM0.70m
6:16AM0.98m
6:47PM0.91m
6:57AM1.17m
7:35PM1.10m
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:37
—
—
—
—
—
—
7:39
—
—
—
—
—
—
—
7:41
—
—
—
—
—
—
—
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
4:25
—
—
—
—
—
—
—
4:23
—
—
—
—
—
—
—
4:22
—
—
—
—
4:21
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
4
2
1
1
—
—
—
Temp °C
8
9
9
8
9
9
9
9
9
9
10
11
10
10
9
10
11
11
10
7
5
6
7
6
Feels °C
5
6
6
5
5
4
2
1
1
0
1
2
1
1
0
2
5
6
3
-3
-4
-1
0
-1
  • 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 

Never miss your swells again.

Built by surfers, trusted by millions for over 20 years. The Wavefinder in our app makes it even easier to find where the best waves are breaking. Follow the yellow stars along your coast and get there first.

QR code to download the Surf‑Forecast app
app storeplay store

Scan the QR code to open the Surf‑Forecast app

Surf‑Forecast mobile app preview

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