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 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 (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) - 2.5ft (0.7m), 3s period with SW swell.
  • Evening surf: Evening surf (01 Jul, local time) - 6ft (1.9m), 6s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 9PM is: 1.9m 6s primary swell from a South-southwest direction (forecast issued at 12:00pm July 01). 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)2.5ft (0.7m)3s
Evening (01 Jul)6ft (1.9m)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 17°C on Fri afternoon, min 13°C on Wed afternoon). Winds decreasing (strong winds from the SSW on Wed night, calm by Thu night).

Wed
1
Thursday
2
Friday
3
Sat
4
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
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
Wave
Height (m)
Direction
Period (s)
0.5
SW
6
0.5
SW
6
0.7
SW
3
1.5
SSW
5
2
SSW
6
2.1
SW
7
1.8
WSW
7
1.6
NW
6
1.4
NW
6
1.1
NW
6
0.6
SW
7
0.7
SW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.4
SW
6
0.3
SW
5
0.4
SW
5
0.6
SSW
3
0.9
SSW
4
0.9
SSW
5
0.9
SW
5
0.7
SW
5
0.9
SW
4
Wave Graph
Metric surfscale
Energy kJ
17
18
11
111
309
398
288
165
138
67
35
42
19
17
8
8
4
6
9
26
39
36
25
29
Wind (km/h)
10
WNW
15
SW
30
SSW
40
SSW
40
SSW
35
SW
40
WNW
30
WNW
25
NW
20
WNW
10
W
15
SW
15
SW
10
SW
0
NNW
5
W
10
WSW
20
SSW
20
SSW
25
S
25
S
25
S
20
SSW
20
SSW
Wind State
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross
cross
cross
cross-on
on
on
on
glassy
cross-on
on
on
on
cross-on
cross-on
cross-on
on
on
High Tide
11:06AM3.50m
11:20PM3.84m
11:40AM3.47m
11:54PM3.86m
12:14PM3.41m
00:28AM3.84m
Low Tide
5:43PM0.59m
6:11AM0.45m
6:18PM0.59m
6:48AM0.47m
6:54PM0.64m
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
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
14
15
14
13
14
15
13
13
13
14
16
15
16
16
14
13
14
15
16
17
15
16
16
16
Feels °C
13
12
9
6
8
9
6
7
8
10
13
12
13
15
14
12
13
11
12
13
11
13
14
14
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
6
0.5
SW
6
0.2
WNW
3
1.1
SW
7
0.9
SW
7
0.8
SW
7
0.8
NW
5
0.5
NNW
5
0.5
NW
4
0.4
NW
4
0.4
SW
6
0.4
SW
6
0.3
SW
5
0.2
NNW
3
0.2
WNW
3
0.2
WNW
4
Energy kJ
17
18
1
114
75
55
31
13
9
4
8
8
4
1
1
1
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.3
NW
3
Energy kJ
6
5
5
1
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
11
0.1
SW
11
0.1
SW
11
0.1
W
11
Energy kJ
12
5
5
2
Wind waves
Height (m)
Direction
Period (s)
0.6
WNW
4
0.4
WNW
4
0.7
SW
3
1.5
SSW
5
2
SSW
6
2.1
SW
7
1.8
WSW
7
1.6
NW
6
1.4
NW
6
1.1
NW
6
0.6
SW
7
0.7
SW
6
0.5
SW
6
0.5
SW
6
0.4
NW
4
0.3
NW
3
0.4
SW
5
0.6
SSW
3
0.9
SSW
4
0.9
SSW
5
0.9
SW
5
0.7
SW
5
0.9
SW
4
Energy kJ
10
5
11
111
309
398
288
165
138
67
35
42
19
17
4
2
6
9
26
39
36
25
29
Nearest Offshore or Glassy
Rating
(10 max)
1
1
3
2
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
Distance (km)
44
44
541
541
332
592
381
187
173
173
44
172
173
172
172
150
181
256
256
256
173
187
187
185
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
2
1
1
1
2
2
1
2
2
2
2
2
2
2
1
2
3
4
4
3
1
Header Global
Rating
(10 max)
5
5
5
4
4
4
9
8
7
6
6
6
6
7
9
9
9
8
6
7
5
5
5
4
  • 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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