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 am 27 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
15.8° 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 (27 Jun):

  • Morning surf: Morning surf (27 Jun, local time) - 5ft (1.5m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (27 Jun, local time) - 6.5ft (2.0m), 6s period with SSW swell.
  • Evening surf: Evening surf (27 Jun, local time) - 7ft (2.1m), 7s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 9AM is: 1.5m 6s primary swell from a South-southwest direction (forecast issued at 12:00am June 27). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (27 Jun)5ft (1.5m)6s
Afternoon (27 Jun)6.5ft (2.0m)6s
Evening (27 Jun)7ft (2.1m)7s

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 Sat night. Very mild (max 18°C on Sat morning, min 13°C on Sun night). Winds decreasing (strong winds from the SSW on Sat afternoon, light winds from the WSW by Sun night).

Saturday
27
Sunday
28
Monday
29
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
4 PM
7 PM
10 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)
1.4
SSW
6
1.4
SSW
6
1.4
SSW
6
1.5
SSW
6
1.7
SSW
6
2.1
SSW
7
2.1
SSW
7
2.1
SSW
7
1.8
SSW
7
1.5
SSW
7
1.4
SW
7
1.3
SW
7
1.3
SSW
7
1.7
SSW
6
1.9
SSW
6
1.7
SSW
7
1.4
SW
7
1.1
SW
7
1
SW
7
0.7
SW
7
0.7
SW
7
0.7
SW
7
0.7
SW
4
0.9
SW
5
Wave Graph
Metric surfscale
Energy kJ
126
115
115
130
193
378
401
401
297
237
217
171
173
183
277
237
158
113
89
47
46
46
16
32
Wind (km/h)
25
S
25
S
25
S
35
S
40
SSW
40
SSW
40
SSW
35
S
25
SSW
25
SSW
25
SW
25
SW
30
SSW
35
SSW
35
SSW
30
SSW
15
WSW
20
WSW
15
SW
15
SW
15
SSW
20
SSW
20
SSW
15
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
8:25AM3.30m
8:47PM3.45m
9:09AM3.38m
9:27PM3.58m
9:50AM3.45m
Low Tide
2:56AM0.95m
3:15PM0.91m
3:40AM0.80m
3:55PM0.81m
4:19AM0.66m
4:32PM0.71m
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:49
9:49
9:49
 mm
1
Temp °C
16
17
17
18
18
18
17
16
15
15
14
14
14
14
14
14
15
14
13
14
15
16
15
14
Feels °C
12
14
14
13
12
12
11
11
11
11
10
9
8
7
7
9
12
11
10
11
12
12
11
12
Swell 1
Height (m)
Direction
Period (s)
0.1
S
16
0.1
S
16
0.1
S
16
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
14
1.4
SW
7
0.1
SW
14
0.1
SW
14
0.3
WNW
4
0.3
WNW
4
0.1
SW
13
0.1
SW
13
0.1
SW
13
Energy kJ
5
5
5
8
8
8
8
8
8
8
158
7
7
3
2
7
7
7
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
14
0.1
SW
14
0.1
SW
14
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
Energy kJ
8
7
7
7
7
7
7
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
13
Energy kJ
18
Wind waves
Height (m)
Direction
Period (s)
1.4
SSW
6
1.4
SSW
6
1.4
SSW
6
1.5
SSW
6
1.7
SSW
6
2.1
SSW
7
2.1
SSW
7
2.1
SSW
7
1.8
SSW
7
1.5
SSW
7
1.4
SW
7
1.3
SW
7
1.3
SSW
7
1.7
SSW
6
1.9
SSW
6
1.7
SSW
7
1.1
SW
7
1
SW
7
0.7
SW
7
0.7
SW
7
0.7
SW
7
0.7
SW
4
0.9
SW
5
Energy kJ
126
115
115
130
193
378
401
401
297
237
217
171
173
183
277
237
113
89
47
46
46
16
32
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
3
2
1
1
1
1
2
1
1
Distance (km)
181
307
326
342
331
310
302
201
299
283
283
381
541
541
541
261
167
44
44
44
44
181
44
173
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
1
1
1
1
2
2
1
1
2
1
1
3
2
4
2
3
3
3
3
4
4
Header Global
Rating
(10 max)
6
6
6
6
5
5
5
9
9
9
8
6
6
5
6
9
6
6
6
5
5
7
9
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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