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 am 24 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
14.9°C
1.5° 

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 (24 Oct):

  • Morning surf: Morning surf (24 Oct, local time) - 6ft (1.9m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (24 Oct, local time) - 13ft (4.0m), 9s period with SW swell.
  • Evening surf: Evening surf (24 Oct, local time) - 13ft (4.0m), 8s period with WSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 6AM is: 1.2m 5s primary swell from a West-southwest direction and 0.4m 10s secondary swell from a Southwest direction (forecast issued at 12:00am October 24). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (24 Oct)6ft (1.9m)6s
Afternoon (24 Oct)13ft (4.0m)9s
Evening (24 Oct)13ft (4.0m)8s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Sat afternoon. Very mild (max 16°C on Sat afternoon, min 10°C on Fri night). Winds increasing (moderate winds from the W on Fri night, gales from the W by Sat night).

Saturday
24
Sunday
25
Monday
26
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 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
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)
1.9
NW
6
1.1
W
5
1.2
WSW
5
1.9
SW
6
4
SSW
8
4
SW
9
4
SW
10
4
WSW
8
4
WSW
8
4
W
8
4
W
8
3.5
W
8
3.5
WNW
8
3
W
7
2.5
W
7
2.1
WSW
6
1.8
WSW
6
1.7
SW
6
1.8
SSW
6
3
SSW
7
4
SSW
9
4
SW
9
4
SW
9
4.5
SSW
10
Wave Graph
Metric surfscale
Energy kJ
296
59
59
249
2040
2783
2582
1848
2080
1873
1769
1676
1329
957
681
331
222
185
211
769
2224
2366
2503
3575
Wind (km/h)
30
WNW
25
W
30
SW
40
S
60
S
55
SW
55
W
60
WSW
60
WSW
60
W
60
W
60
W
55
WNW
50
W
45
W
35
WSW
35
WSW
30
SW
45
S
60
S
50
SSW
50
SSW
50
SSW
60
S
Wind State
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
on
on
cross-on
cross-on
High Tide
8:45AM3.68m
8:50PM3.99m
9:15AM3.92m
9:24PM4.19m
9:47AM4.12m
Low Tide
3:00AM0.39m
3:15PM0.53m
3:38AM0.15m
3:54PM0.28m
4:16AM-0.01m
4:34PM0.10m
cloud
cloud
cloud
light rain
mod rain
mod rain
light rain
part cloud
part cloud
clear
clear
clear
cloud
cloud
cloud
part cloud
part cloud
cloud
light rain
mod rain
light rain
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
8:00
—
—
—
—
—
—
—
7:02
—
—
—
—
—
—
—
8:03
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:02
—
—
—
—
—
—
—
5:00
—
—
—
—
—
—
—
5:59
—
—
 mm
—
—
—
1
6
9
2
—
—
—
—
—
—
—
—
—
—
—
2
7
2
—
—
—
Temp °C
10
11
12
11
12
16
12
10
11
11
10
10
10
11
11
11
12
12
11
12
16
16
16
16
Feels °C
3
5
5
3
0
6
1
-3
-2
-2
-3
-3
-3
-1
1
3
4
5
2
1
8
7
8
6
  • 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 

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