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 01 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
16.3° C

2.3°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 (02 Jul):

  • Morning surf: Morning surf (02 Jul, local time) - 4.5ft (1.4m), 6s period with NW swell.
  • Afternoon surf: Afternoon surf (02 Jul, local time) - 2ft (0.6m), 7s period with SW swell.
  • Evening surf: Evening surf (02 Jul, local time) - 1.5ft (0.4m), 6s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 3AM is: 1.8m 7s primary swell from a West-southwest direction and 1.6m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm July 01). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (02 Jul)4.5ft (1.4m)6s
Afternoon (02 Jul)2ft (0.6m)7s
Evening (02 Jul)1.5ft (0.4m)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 18°C on Sat morning, min 13°C on Wed afternoon). Winds decreasing (strong winds from the SSW on Wed night, light winds from the WNW by Thu night).

Wed
1
Thursday
2
Friday
3
Sat
4
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)
0.8
SSW
3
1.5
SSW
5
2.1
SSW
6
2.1
SW
7
1.8
WSW
7
1.4
NW
6
1.4
NW
6
1.1
NW
6
0.6
SW
7
0.7
SW
6
0.4
SW
6
0.4
SSW
6
0.4
SW
6
0.4
SW
5
0.4
SW
5
0.4
SW
5
0.5
SSW
3
0.5
SW
3
0.6
SSW
4
0.7
SW
4
0.6
SW
4
0.8
SW
4
0.9
SW
4
1.1
SW
5
Wave Graph
Metric surfscale
Energy kJ
15
111
335
374
288
128
118
67
37
43
10
14
8
7
7
7
5
5
8
16
16
21
29
47
Wind (km/h)
30
SSW
40
SSW
40
SSW
40
SW
35
WNW
30
WNW
30
NW
20
WNW
15
W
15
WSW
15
SW
10
WSW
10
WNW
10
WNW
10
WSW
20
SSW
20
SSW
20
S
20
S
20
SSW
20
SW
20
SSW
25
SW
30
SSW
Wind State
cross-on
cross-on
cross-on
on
cross-on
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross
cross
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
11:20PM3.84m
11:40AM3.47m
11:54PM3.86m
12:14PM3.41m
00:28AM3.84m
12:48PM3.35m
Low Tide
5:43PM0.59m
6:11AM0.45m
6:18PM0.59m
6:48AM0.47m
6:54PM0.64m
7:25AM0.52m
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:47
9:47
9:46
9:46
 mm
Temp °C
15
13
14
15
13
13
13
14
16
16
16
16
14
13
13
15
15
15
15
17
17
17
16
18
Feels °C
10
6
7
9
7
7
8
10
13
13
12
14
12
11
11
11
11
12
11
14
15
15
12
14
Swell 1
Height (m)
Direction
Period (s)
0.2
WNW
3
1.6
SW
7
1.1
SW
7
0.9
SW
7
0.6
SW
7
0.8
NW
5
0.5
NNW
5
0.4
NNW
4
0.4
SSW
6
0.4
SW
6
0.4
SW
5
0.4
SW
5
0.2
NNW
3
0.1
W
12
0.2
WNW
4
Energy kJ
1
213
114
67
36
37
13
6
14
8
7
7
1
3
1
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
6
0.4
NW
4
0.2
NNW
4
0.2
WNW
3
Energy kJ
10
4
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
11
Energy kJ
2
Wind waves
Height (m)
Direction
Period (s)
0.8
SSW
3
1.5
SSW
5
2.1
SSW
6
2.1
SW
7
1.8
WSW
7
1.4
NW
6
1.4
NW
6
1.1
NW
6
0.6
SW
7
0.7
SW
6
0.4
WSW
3
0.4
NW
4
0.4
NW
3
0.2
W
3
0.4
SW
5
0.5
SSW
3
0.5
SW
3
0.6
SSW
4
0.7
SW
4
0.6
SW
4
0.8
SW
4
0.9
SW
4
1.1
SW
5
Energy kJ
15
111
335
374
288
128
118
67
28
43
4
4
4
1
7
5
5
8
16
16
21
29
47
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
1
2
1
1
1
1
Distance (km)
310
541
332
592
568
329
173
173
44
44
172
172
172
172
173
181
262
256
187
261
173
284
313
541
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
1
1
1
2
1
1
2
3
2
2
2
2
1
1
3
3
4
3
1
1
4
Header Global
Rating
(10 max)
5
4
5
4
9
8
7
6
6
5
8
7
9
8
9
7
4
5
5
5
5
7
6
6
  • 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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