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 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 (01 Jul):

  • Morning surf: Morning surf (01 Jul, local time) - 1.5ft (0.5m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (01 Jul, local time) - 2ft (0.6m), 6s period with SSW swell.
  • Evening surf: Evening surf (01 Jul, local time) - 6ft (1.8m), 6s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 2AM is: 0.7m 6s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Southwest direction, 0.4m 3s secondary swell from a West-northwest direction (forecast issued at 06:00pm June 30). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (01 Jul)1.5ft (0.5m)6s
Afternoon (01 Jul)2ft (0.6m)6s
Evening (01 Jul)6ft (1.8m)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

Some drizzle, heaviest during Wed night. Very mild (max 16°C on Tue afternoon, min 13°C on Tue night). Winds increasing (light winds from the WSW on Tue night, strong winds from the SSW by Wed afternoon).

Tue
30
Wednesday
1
Thursday
2
Fri
3
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
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)
1.2
SSW
6
1
SSW
6
0.9
SW
6
0.7
SW
6
0.6
SSW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.6
SSW
6
1.3
SSW
5
2
SSW
6
2.1
SW
7
1.8
SW
7
1.5
WNW
6
1.4
NW
6
1.1
NW
5
0.6
SW
7
0.6
SW
7
0.6
SW
3
0.5
SW
4
0.3
SW
6
0.4
SW
6
0.4
SW
5
0.5
SSW
3
Wave Graph
Metric surfscale
Energy kJ
93
70
51
35
24
17
17
13
25
81
299
374
279
143
129
73
27
36
9
6
5
8
7
5
Wind (km/h)
25
SSW
20
SSW
10
S
10
WSW
15
NW
15
WNW
15
WNW
15
WSW
30
SSW
40
SSW
40
SSW
35
SW
40
W
35
NW
30
NW
25
NW
20
NW
15
W
10
SW
15
SSW
10
S
15
S
20
SSW
30
SSW
Wind State
on
on
cross-on
on
cross
cross
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
10:44PM3.78m
11:06AM3.50m
11:20PM3.84m
11:40AM3.47m
11:54PM3.86m
12:14PM3.41m
Low Tide
5:08PM0.64m
5:34AM0.48m
5:43PM0.59m
6:11AM0.45m
6:18PM0.59m
6:48AM0.47m
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
rain showers
cloud
cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
Temp °C
16
16
16
16
14
13
14
14
14
14
14
15
13
13
13
14
16
16
16
16
14
14
16
16
Feels °C
13
13
15
16
12
11
13
12
9
7
8
9
6
6
7
9
12
13
14
14
13
13
13
11
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
12
0.9
SW
6
0.7
SW
6
0.6
SSW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.4
NW
4
0.1
NW
4
1.1
SW
7
0.9
SW
7
0.6
SW
7
0.6
NNW
5
0.5
N
5
0.4
NNW
5
0.3
SW
6
0.4
SW
4
0.4
SW
6
0.2
NNW
4
Energy kJ
6
6
51
35
24
17
17
13
3
1
114
65
36
23
13
8
6
5
8
1
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.6
SW
7
0.6
SW
7
0.2
NNW
5
0.3
NNW
5
0.3
SW
6
0.2
NNW
4
Energy kJ
6
6
6
6
6
5
5
27
27
2
4
5
2
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
11
0.2
NNW
5
0.1
W
11
0.1
W
11
Energy kJ
12
2
2
2
Wind waves
Height (m)
Direction
Period (s)
1.2
SSW
6
1
SSW
6
0.4
WNW
3
0.6
WNW
4
0.7
WNW
4
0.6
WNW
4
0.5
WNW
4
0.6
SSW
6
1.3
SSW
5
2
SSW
6
2.1
SW
7
1.8
SW
7
1.5
WNW
6
1.4
NW
6
1.1
NW
5
0.5
W
4
0.7
WSW
6
0.6
SW
3
0.5
SW
4
0.4
SW
5
0.5
SSW
3
Energy kJ
93
70
3
10
15
11
8
25
81
299
374
279
143
129
73
10
36
9
6
7
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
3
1
2
1
3
1
1
1
1
1
1
1
1
1
1
Distance (km)
106
258
44
44
167
167
44
44
318
541
332
506
549
329
173
173
45
44
172
172
172
172
256
256
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
2
1
1
1
1
1
2
2
2
2
2
2
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
4
5
5
9
7
7
6
6
5
5
7
9
9
9
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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