Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 12 pm 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
17.2° C
1.9° 

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 (26 Jul):

  • Morning surf: Morning surf (26 Jul, local time) - 5ft (1.5m), 6s period with WNW swell.
  • Afternoon surf: Afternoon surf (26 Jul, local time) - 4.5ft (1.4m), 6s period with WNW swell.
  • Evening surf: Evening surf (26 Jul, local time) - 3.5ft (1.1m), 5s period with NW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 5PM is: 1.3m 5s primary swell from a West-northwest direction and 0.5m 6s secondary swell from a Southwest direction (forecast issued at 12:00pm July 26). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (26 Jul)5ft (1.5m)6s
Afternoon (26 Jul)4.5ft (1.4m)6s
Evening (26 Jul)3.5ft (1.1m)5s

Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue afternoon, min 14°C on Mon morning). Winds decreasing (fresh winds from the WNW on Sun morning, light winds from the S by Tue night).

Sun
26
Monday
27
Tuesday
28
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
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)
1.5
WNW
6
1.5
WNW
6
1.3
WNW
5
1.2
WNW
5
0.9
WNW
5
1
NW
5
1.1
NW
5
0.8
W
5
0.6
WNW
4
1
SW
4
0.8
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
5
0.8
SSW
6
0.8
SSW
6
0.9
SSW
4
1.1
SSW
5
1.3
SSW
5
1.2
SSW
5
1
SW
5
Wave Graph
Metric surfscale
Energy kJ
134
143
97
69
39
43
64
27
13
39
29
22
21
27
40
44
34
54
77
69
49
Wind (km/h)
30
WNW
35
WNW
30
WNW
25
WNW
25
NW
25
WNW
20
WNW
20
W
25
SW
20
SW
20
SW
15
SSW
15
S
20
S
15
S
20
S
25
SSW
30
SSW
30
SSW
25
SSW
20
S
Wind State
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
High Tide
8:13AM3.09m
8:35PM3.31m
9:01AM3.24m
9:19PM3.52m
9:41AM3.38m
9:56PM3.72m
Low Tide
2:56PM1.10m
3:23AM0.93m
3:37PM0.90m
4:03AM0.71m
4:13PM0.71m
part cloud
part cloud
cloud
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:22
9:20
 mm
Temp °C
16
16
16
17
16
15
15
15
14
14
18
18
17
17
17
17
17
18
19
18
17
Feels °C
11
9
10
13
12
10
11
12
10
11
15
17
16
16
16
15
14
14
15
14
14
  • 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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