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 13 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
15.7°C
1.7° 

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 Oct):

  • Morning surf: Morning surf (13 Oct, local time) - 7ft (2.2m), 7s period with SW swell.
  • Afternoon surf: Afternoon surf (13 Oct, local time) - 6.5ft (2.0m), 6s period with SW swell.
  • Evening surf: Evening surf (13 Oct, local time) - 4.5ft (1.3m), 8s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 3PM is: 2.0m 6s primary swell from a Southwest direction (forecast issued at 12:00pm October 13). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (13 Oct)7ft (2.2m)7s
Afternoon (13 Oct)6.5ft (2.0m)6s
Evening (13 Oct)4.5ft (1.3m)8s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 16°C on Thu morning, min 12°C on Thu afternoon). Winds decreasing (strong winds from the SSW on Wed night, calm by Thu night).

Tue
13
Wednesday
14
Thursday
15
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
2
1
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)
2.2
SW
7
2.1
SW
6
1.9
SW
7
1.4
SW
8
1.2
SW
8
1.1
SW
9
1.2
SW
9
1.4
SW
5
1.7
SSW
6
2.2
SSW
6
2.5
SSW
7
3
SW
7
3
SW
8
2.5
SSW
8
3
SW
8
3
SW
8
3
SW
8
2.5
SW
8
1.9
SW
7
1.4
SW
7
1.1
SW
7
Wave Graph
Metric surfscale
Energy kJ
521
337
322
235
201
168
225
94
195
387
672
843
942
854
942
1090
1032
727
372
211
116
Wind (km/h)
35
WSW
35
WSW
30
WSW
25
W
25
W
15
SW
25
SSW
30
SSW
40
SSW
45
SSW
45
SSW
45
SSW
45
SSW
45
SSW
50
SSW
45
SSW
45
SSW
35
SW
20
NW
10
NNW
5
WNW
Wind State
on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross
cross-off
glassy
High Tide
11:19AM4.04m
11:38PM3.96m
11:52AM3.88m
00:14AM3.70m
12:27PM3.66m
Low Tide
6:09PM0.26m
6:27AM0.48m
6:45PM0.47m
7:01AM0.77m
7:22PM0.74m
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
—
—
—
—
—
—
7:41
—
—
—
—
—
—
—
7:43
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:28
—
—
—
—
—
—
—
6:24
—
—
—
—
—
—
—
6:22
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
3
2
—
Temp °C
14
14
15
15
14
14
14
14
14
15
15
15
15
15
15
15
16
15
12
12
12
Feels °C
8
7
8
9
9
10
10
8
7
8
7
7
7
7
6
7
8
10
8
9
11
  • 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
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