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 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
14.0° C

Slightly warmer than usual

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 (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 3.5ft (1.0m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 4ft (1.2m), 5s period with SSW swell.
  • Evening surf: Evening surf (17 Jun, local time) - 4.5ft (1.4m), 6s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 1PM is: 0.9m 5s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 06:00am June 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Jun)3.5ft (1.0m)5s
Afternoon (17 Jun)4ft (1.2m)5s
Evening (17 Jun)4.5ft (1.4m)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

Light rain (total 8mm), mostly falling on Thu morning. Very mild (max 18°C on Fri morning, min 13°C on Fri night). Winds decreasing (fresh winds from the S on Thu morning, calm by Fri night).

Wednesday
17
Thursday
18
Friday
19
Sat
20
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)
1.2
SSW
5
1.1
SW
5
0.9
SSW
5
0.9
SSW
5
1.2
SSW
5
1.4
SSW
6
1.4
SW
6
1.2
SW
6
1
SSW
5
1
SSW
5
1.4
SSW
5
1.6
SSW
6
1.7
SSW
6
1.6
SSW
6
1.3
SSW
6
1.1
SSW
6
1.2
SSW
5
1.4
SSW
5
1.5
SSW
6
1.5
SSW
6
1.6
SSW
6
1.7
SSW
6
1.4
SW
6
1.2
SSW
7
Wave Graph
Metric surfscale
Energy kJ
67
60
44
42
69
114
128
88
52
47
94
160
215
190
123
77
70
98
136
148
190
216
162
120
Wind (km/h)
25
SSW
25
SSW
25
SSW
30
SSW
30
SSW
30
SSW
25
SSW
25
S
20
S
30
S
35
S
35
S
30
S
30
S
20
S
20
S
25
S
30
S
30
S
35
S
35
S
35
SSW
25
SSW
15
SW
Wind State
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
11:33AM4.00m
11:50PM4.33m
12:26PM3.83m
00:42AM4.24m
1:22PM3.61m
Low Tide
6:05AM-0.21m
6:23PM0.15m
6:56AM-0.17m
7:11PM0.29m
7:47AM-0.03m
8:01PM0.48m
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:50
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:47
9:47
9:47
 mm
1
5
1
1
Temp °C
14
14
14
14
14
14
14
14
14
14
15
15
15
16
16
16
16
16
16
18
18
15
14
13
Feels °C
10
10
10
9
8
9
9
10
11
9
10
10
11
12
14
13
13
12
11
13
13
9
10
11
Swell 1
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
0.1
SW
12
0.1
SW
12
0.1
SW
11
0.1
SW
11
0.1
SW
11
0.1
SW
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
SW
11
0.1
S
11
Energy kJ
5
6
6
6
5
5
5
5
5
5
5
5
5
2
2
2
4
2
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
9
Energy kJ
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.2
SSW
5
1.1
SW
5
0.9
SSW
5
0.9
SSW
5
1.2
SSW
5
1.4
SSW
6
1.4
SW
6
1.2
SW
6
1
SSW
5
1
SSW
5
1.4
SSW
5
1.6
SSW
6
1.7
SSW
6
1.6
SSW
6
1.3
SSW
6
1.1
SSW
6
1.2
SSW
5
1.4
SSW
5
1.5
SSW
6
1.5
SSW
6
1.6
SSW
6
1.7
SSW
6
1.4
SW
6
1.2
SSW
7
Energy kJ
67
60
44
42
69
114
128
88
52
47
94
160
215
190
123
77
70
98
136
148
190
216
162
120
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
284
285
299
299
302
294
226
179
179
226
198
256
256
269
179
172
179
179
179
179
297
283
105
96
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
3
3
2
2
1
2
2
2
2
2
3
2
2
2
2
2
1
1
1
1
2
2
1
Header Global
Rating
(10 max)
5
8
8
4
4
4
5
5
9
9
9
7
5
5
6
5
6
6
6
5
5
8
7
7
  • 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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