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 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
15.7° C

1.4°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 (07 Jul):

  • Morning surf: Morning surf (07 Jul, local time) - 2ft (0.6m), 4s period with WNW swell.
  • Afternoon surf: Afternoon surf (07 Jul, local time) - 1.5ft (0.4m), 4s period with NW swell.
  • Evening surf: Evening surf (07 Jul, local time) - 1.5ft (0.4m), 3s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 7AM is: 0.7m 4s primary swell from a Northwest direction and 0.5m 5s secondary swell from a Southwest direction, 0.5m 5s secondary swell from a Southwest direction (forecast issued at 12:00am July 07). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (07 Jul)2ft (0.6m)4s
Afternoon (07 Jul)1.5ft (0.4m)4s
Evening (07 Jul)1.5ft (0.4m)3s

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. Warm (max 21°C on Thu afternoon, min 14°C on Mon night). Wind will be generally light.

Tuesday
7
Wednesday
8
Thursday
9
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)
0.7
SW
5
0.6
SSW
5
0.7
NW
4
0.6
WNW
4
0.5
NW
4
0.4
NW
4
0.4
SSW
3
0.1
S
12
0.1
S
12
0.1
S
12
0.2
SSW
4
0.2
SSW
4
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
11
Wave Graph
Metric surfscale
Energy kJ
24
16
19
12
8
3
3
4
3
3
1
1
0
0
0
0
0
0
3
3
3
3
0
0
Wind (km/h)
10
SSW
15
W
15
W
15
SW
15
SW
15
SSW
15
SSW
15
S
10
S
10
SSW
10
SSW
5
W
5
W
10
WSW
10
SSW
10
S
10
S
5
SW
0
W
10
NW
10
NW
10
NW
10
N
10
NE
Wind State
on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
on
cross-on
cross-on
on
glassy
cross
cross
cross
cross-off
off
High Tide
2:23AM3.59m
2:59PM3.16m
3:15AM3.47m
4:00PM3.13m
4:19AM3.39m
5:08PM3.17m
Low Tide
9:30AM0.79m
9:42PM1.13m
10:22AM0.89m
10:42PM1.21m
11:26AM0.95m
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
5:00
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:45
9:44
9:43
 mm
Temp °C
15
14
14
15
16
18
19
18
18
17
16
17
19
20
20
20
19
16
16
18
19
20
21
20
Feels °C
14
12
12
13
13
16
17
17
17
17
16
17
19
20
20
20
19
16
17
18
18
19
20
19
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
5
0.6
SSW
5
0.5
SW
5
0.6
WNW
4
0.5
NW
4
0.4
NW
4
0.2
WNW
4
0.1
S
12
0.3
SW
4
0.2
SSW
4
0.2
SSW
4
0.1
S
11
0.1
S
11
0.1
S
11
Energy kJ
24
16
10
12
8
3
1
3
2
1
1
3
3
3
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
5
0.4
SW
4
0.1
S
12
0.1
S
12
0.1
S
11
Energy kJ
10
5
3
3
3
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.4
NW
3
0.7
WNW
4
0.7
NW
4
0.4
SW
4
0.4
SSW
3
0.4
SSW
3
0.4
SSW
3
0.4
SW
3
0.2
WNW
3
Energy kJ
3
14
19
5
3
3
4
3
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
261
294
244
244
352
244
352
260
260
256
246
246
296
302
297
242
246
258
233
233
258
243
243
233
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
2
2
2
2
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
1
2
Header Global
Rating
(10 max)
8
7
6
5
5
7
7
9
9
9
8
7
7
8
9
9
8
7
6
6
6
6
6
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
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