Cable Bay (Porth Trecastell) Surf Break

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Lat Long: 53.22° N 4.51° W

Issued: 12 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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 3.5ft (1.0m), 7s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 2.5ft (0.8m), 7s period with SSW swell.
  • Evening surf: Evening surf (29 Jun, local time) - 3ft (0.9m), 5s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 5PM is: 0.9m 7s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00pm June 29). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (29 Jun)3.5ft (1.0m)7s
Afternoon (29 Jun)2.5ft (0.8m)7s
Evening (29 Jun)3ft (0.9m)5s

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

Light rain (total 2mm), mostly falling on Tue morning. Very mild (max 16°C on Tue afternoon, min 13°C on Mon morning). Winds increasing (calm on Tue night, fresh winds from the SSW by Wed night).

Mon
29
Tuesday
30
Wednesday
1
Thu
2
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
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
SW
7
0.8
SSW
7
0.9
SSW
7
1
SSW
5
0.9
SSW
5
0.9
SSW
5
1
SSW
4
1
SSW
5
1.4
SSW
5
1.4
SSW
6
1.3
SSW
6
1.2
SSW
6
1
SW
6
0.8
SSW
6
0.6
SSW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.4
SW
6
0.8
SSW
4
1.3
SSW
5
1.7
SW
6
1.9
SW
6
1.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
89
59
70
44
44
39
39
49
98
119
112
87
64
43
23
17
16
9
9
17
88
195
252
152
Wind (km/h)
20
SW
20
SW
25
SSW
25
SSW
20
S
20
S
20
SSE
25
SSE
30
S
30
S
25
SSW
20
SSW
10
SSW
5
WNW
15
NNW
15
NNW
15
NW
15
W
15
SW
30
SSW
35
S
40
SSW
25
SW
25
WNW
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
glassy
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
cross-on
on
cross
High Tide
9:50AM3.45m
10:07PM3.69m
10:29AM3.50m
10:44PM3.78m
11:06AM3.50m
11:20PM3.84m
Low Tide
4:32PM0.71m
4:57AM0.55m
5:08PM0.64m
5:34AM0.48m
5:43PM0.59m
6:11AM0.45m
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
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
1
1
Temp °C
13
14
15
15
14
14
14
14
14
15
16
16
16
15
13
13
14
14
14
14
13
14
15
14
Feels °C
9
10
10
11
11
11
10
9
9
10
12
13
15
15
11
11
12
12
11
9
7
8
11
10
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
14
0.2
WNW
4
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
0.1
SW
12
1
SW
6
0.8
SSW
6
0.6
SSW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.3
WNW
4
0.2
N
4
Energy kJ
7
1
7
7
7
7
7
7
7
7
6
6
64
43
23
17
16
9
3
1
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
13
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.3
N
4
0.3
N
4
Energy kJ
7
7
7
7
7
7
6
6
6
6
6
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
12
0.1
SW
12
0.1
SW
12
Energy kJ
5
5
6
Wind waves
Height (m)
Direction
Period (s)
1
SW
7
0.8
SSW
7
0.9
SSW
7
1
SSW
5
0.9
SSW
5
0.9
SSW
5
1
SSW
4
1
SSW
5
1.4
SSW
5
1.4
SSW
6
1.3
SSW
6
1.2
SSW
6
0.6
WNW
3
0.7
NW
4
0.6
NW
4
0.6
NW
4
0.5
W
4
0.4
SW
6
0.8
SSW
4
1.3
SSW
5
1.7
SW
6
1.9
SW
6
1.4
SW
6
Energy kJ
89
59
70
44
44
39
39
49
98
119
112
87
8
16
13
12
8
9
17
88
195
252
152
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
Distance (km)
177
167
187
187
166
179
226
256
259
256
106
258
44
0
167
47
167
44
44
338
248
299
381
44
Best forecast wave conditions in Anglesy
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
3
3
3
3
3
2
2
3
3
2
2
2
2
2
2
2
2
2
1
2
2
1
Header Global
Rating
(10 max)
7
7
5
6
8
5
5
5
5
5
5
5
4
5
5
5
5
5
5
4
4
5
5
5
  • 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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