Cable Bay (Porth Trecastell) Surf Break

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Lat Long: 53.22° N 4.51° W

Issued: 6 pm 29 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
15.8° C

2.0°C warmer than normal for this time of year

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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 4ft (1.2m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (30 Jun, local time) - 4.5ft (1.3m), 6s period with SSW swell.
  • Evening surf: Evening surf (30 Jun, local time) - 4ft (1.2m), 6s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 12AM is: 0.8m 5s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southwest direction, 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00pm June 29). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Jun)4ft (1.2m)5s
Afternoon (30 Jun)4.5ft (1.3m)6s
Evening (30 Jun)4ft (1.2m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Tue afternoon, min 13°C on Wed night). Winds increasing (light winds from the WSW on Tue night, fresh winds from the S by Wed night).

Mon
29
Tuesday
30
Wednesday
1
Thu
2
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
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.8
SSW
7
0.9
SSW
4
0.9
SSW
5
0.8
SSW
5
0.9
SSW
4
1
SSW
5
1.3
SSW
5
1.5
SSW
6
1.3
SSW
6
1.2
SSW
6
0.9
SSW
6
0.7
SW
6
0.6
SSW
6
0.5
SW
6
0.4
SSW
6
0.4
SW
6
0.5
SW
6
0.9
SSW
4
1.5
SSW
5
1.9
SW
6
1.9
SW
6
1.4
SW
6
1
SW
7
0.8
SW
7
Wave Graph
Metric surfscale
Energy kJ
57
32
40
27
30
47
82
136
119
90
57
34
22
16
13
9
18
28
116
275
296
167
85
52
Wind (km/h)
25
SSW
20
SSW
25
S
20
S
20
SSE
25
SSE
30
S
30
S
25
SSW
20
SSW
10
S
5
WSW
15
NW
15
NNW
10
WNW
15
WSW
20
SSW
30
SSW
40
S
40
SSW
30
SW
30
WNW
25
NW
15
WNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
on
on
cross
cross
cross
High Tide
10:07PM3.69m
10:29AM3.50m
10:44PM3.78m
11:06AM3.50m
11:20PM3.84m
11:40AM3.47m
Low Tide
4:32PM0.71m
4:57AM0.55m
5:08PM0.64m
5:34AM0.48m
5:43PM0.59m
6:11AM0.45m
cloud
cloud
cloud
cloud
cloud
clear
cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:49
9:47
9:47
9:47
 mm
Temp °C
15
15
14
14
14
14
15
15
16
15
16
16
14
14
14
14
14
14
13
14
16
14
13
14
Feels °C
10
12
10
11
10
10
10
10
12
12
15
16
13
12
13
12
11
8
6
8
12
9
9
11
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
12
0.9
SSW
6
0.7
SW
6
0.6
SSW
6
0.5
SW
6
0.4
SSW
6
0.4
SW
6
0.3
WNW
4
1.4
SW
6
1
SW
7
0.8
SW
7
Energy kJ
7
7
7
7
7
7
7
7
6
6
57
34
22
16
13
9
3
167
85
52
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.2
WSW
12
0.1
SW
12
0.3
N
4
0.3
N
4
0.2
N
4
Energy kJ
7
7
7
7
6
6
15
6
2
2
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
10
0.1
SW
12
0.1
SW
12
0.1
SW
12
Energy kJ
4
6
5
5
Wind waves
Height (m)
Direction
Period (s)
0.8
SSW
7
0.9
SSW
4
0.9
SSW
5
0.8
SSW
5
0.9
SSW
4
1
SSW
5
1.3
SSW
5
1.5
SSW
6
1.3
SSW
6
1.2
SSW
6
0.4
WNW
3
0.7
NW
4
0.6
NW
4
0.5
WNW
4
0.5
WNW
4
0.5
SW
6
0.9
SSW
4
1.5
SSW
5
1.9
SW
6
1.9
SW
6
0.7
WNW
4
1.1
NW
5
0.9
NW
5
Energy kJ
57
32
40
27
30
47
82
136
119
90
4
17
14
10
9
18
28
116
275
296
15
69
45
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
Distance (km)
187
187
166
179
226
260
259
256
106
258
44
44
0
167
44
44
261
338
299
313
283
283
173
96
Best forecast wave conditions in Anglesy
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
3
3
2
2
3
2
2
2
2
1
2
3
2
2
2
2
1
2
1
2
1
Header Global
Rating
(10 max)
5
6
6
5
5
5
5
5
5
5
4
5
5
5
5
5
5
4
4
5
5
5
5
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
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