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 14 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 (14 Oct):

  • Morning surf: Morning surf (14 Oct, local time) - 5.5ft (1.7m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Oct, local time) - 8ft (2.5m), 7s period with SW swell.
  • Evening surf: Evening surf (14 Oct, local time) - 10ft (3.0m), 8s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 4AM is: 1.2m 9s primary swell from a Southwest direction (forecast issued at 12:00am October 14). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (14 Oct)5.5ft (1.7m)6s
Afternoon (14 Oct)8ft (2.5m)7s
Evening (14 Oct)10ft (3.0m)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 morning. Very mild (max 16°C on Thu morning, min 11°C on Thu night). Winds decreasing (near gales from the SSW on Wed night, light winds from the NW by Thu afternoon).

Wednesday
14
Thursday
15
Friday
16
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
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
1
1
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)
1.1
SW
9
1.2
SW
9
1.5
SW
5
1.7
SSW
6
2.2
SSW
6
2.5
SW
7
3
SW
8
3
SW
8
3
SW
8
3
SSW
8
3
SW
8
3.5
SW
8
2.4
SW
8
1.9
SW
8
1.5
SW
8
1.1
SW
8
0.9
SW
8
0.7
SW
7
0.6
SSW
7
0.6
SSW
7
0.9
NW
4
0.5
SW
7
0.4
SW
7
0.4
SW
7
Wave Graph
Metric surfscale
Energy kJ
168
225
119
202
406
721
866
1006
1118
1211
1321
1402
754
423
262
136
82
54
35
34
26
29
11
11
Wind (km/h)
15
SW
25
SSW
35
SSW
40
SSW
45
SSW
45
SSW
45
SSW
45
SSW
50
SSW
50
SSW
50
SSW
50
SSW
25
W
15
NW
10
NW
10
NW
15
NW
20
NW
20
NW
20
NW
25
NW
20
NNW
20
N
20
NNW
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
High Tide
11:38PM3.96m
11:52AM3.88m
00:14AM3.70m
12:27PM3.66m
00:52AM3.39m
1:06PM3.39m
Low Tide
6:27AM0.48m
6:45PM0.47m
7:01AM0.77m
7:22PM0.74m
7:37AM1.06m
8:04PM1.03m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
clear
clear
clear
clear
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
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7:41
—
—
—
—
—
—
—
7:43
—
—
—
—
—
—
—
7:45
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:24
—
—
—
—
—
—
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6:22
—
—
—
—
—
—
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6:21
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
4
1
—
—
—
—
—
—
1
—
—
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Temp °C
14
14
14
14
15
15
15
15
15
15
15
16
13
12
13
13
13
12
11
11
11
12
13
12
Feels °C
11
10
8
8
8
7
7
7
6
6
6
7
9
9
11
10
9
8
6
6
6
7
8
7
  • 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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