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 am 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
16.1° C

2.2°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) - 4.5ft (1.3m), 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 12PM is: 1.5m 6s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00am June 30). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Jun)4.5ft (1.3m)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 Tue night). Winds increasing (light winds from the WNW on Tue night, strong winds from the SW by Wed night).

Tuesday
30
Wednesday
1
Thursday
2
Fri
3
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
1 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
4
1
SSW
5
1.4
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
0.5
SW
6
0.4
SW
6
0.7
SSW
3
1.5
SSW
5
2.2
SW
6
2.2
SW
7
1.9
SW
7
1.5
NW
6
1.3
NW
6
0.7
SW
7
0.6
SW
7
0.5
SW
6
0.5
SW
6
0.6
SSW
6
Wave Graph
Metric surfscale
Energy kJ
26
49
102
136
104
90
57
34
24
18
18
13
8
111
364
440
305
148
101
46
36
20
18
22
Wind (km/h)
25
SSE
25
S
30
S
30
S
25
SSW
20
SSW
10
S
10
WNW
10
NW
15
WNW
15
WNW
15
SW
30
SSW
40
SSW
40
SSW
40
SW
40
W
30
NW
30
NW
20
NW
15
NW
10
WSW
10
SSW
15
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
High Tide
10:29AM3.50m
10:44PM3.78m
11:06AM3.50m
11:20PM3.84m
11:40AM3.47m
11:54PM3.86m
Low Tide
4:57AM0.55m
5:08PM0.64m
5:34AM0.48m
5:43PM0.59m
6:11AM0.45m
6:18PM0.59m
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:54
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:47
9:47
9:47
9:46
 mm
Temp °C
14
14
14
15
16
15
16
15
13
13
13
13
14
13
14
15
14
13
13
14
16
16
16
15
Feels °C
10
10
9
11
12
12
15
15
12
11
11
11
8
6
7
9
7
7
8
10
13
14
13
12
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
12
0.9
SSW
6
0.7
SW
6
0.6
SSW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.3
WNW
4
1.1
SW
7
0.9
SW
7
0.7
SW
7
0.7
NNW
6
0.5
N
5
0.4
NNW
5
0.2
N
4
Energy kJ
7
7
7
7
6
6
57
34
24
18
18
13
2
114
65
46
31
14
7
2
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.6
SW
7
0.3
W
4
Energy kJ
7
6
6
6
6
6
5
36
3
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
11
0.1
SW
12
0.4
WNW
4
0.2
NNW
5
Energy kJ
12
5
6
2
Wind waves
Height (m)
Direction
Period (s)
0.9
SSW
4
1
SSW
5
1.4
SSW
5
1.5
SSW
6
1.3
SSW
6
1.2
SSW
6
0.4
WNW
3
0.6
NW
4
0.6
NW
4
0.6
WNW
4
0.5
WNW
4
0.7
SSW
3
1.5
SSW
5
2.2
SW
6
2.2
SW
7
1.9
SW
7
1.5
NW
6
1.3
NW
6
1.1
NW
5
0.6
NW
5
0.5
SW
6
0.5
SW
6
0.6
SSW
6
Energy kJ
26
49
102
136
104
90
4
12
14
10
8
8
111
364
440
305
148
101
62
16
20
18
22
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
1
1
1
1
1
4
2
2
1
2
2
1
1
1
1
1
1
Distance (km)
226
259
259
256
106
168
44
44
167
167
44
44
541
541
299
587
506
329
173
172
44
44
157
158
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
3
2
2
2
2
2
2
3
2
2
1
2
2
1
1
2
1
1
2
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
8
5
7
6
6
5
7
9
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cable Bay (Porth Trecastell) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest