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 am 27 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 (27 Jul):

  • Morning surf: Morning surf (27 Jul, local time) - 2.5ft (0.8m), 4s period with W swell.
  • Afternoon surf: Afternoon surf (27 Jul, local time) - 2.5ft (0.8m), 4s period with SW swell.
  • Evening surf: Evening surf (27 Jul, local time) - 2.5ft (0.8m), 4s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 4AM is: 1.0m 5s primary swell from a Northwest direction and 0.3m 6s secondary swell from a Southwest direction (forecast issued at 12:00am July 27). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (27 Jul)2.5ft (0.8m)4s
Afternoon (27 Jul)2.5ft (0.8m)4s
Evening (27 Jul)2.5ft (0.8m)4s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Mon night, min 14°C on Sun night). Mainly fresh winds.

Monday
27
Tuesday
28
Wednesday
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
NW
5
1
NW
5
0.9
WNW
5
0.8
W
4
0.7
SW
4
0.8
SW
4
0.8
SW
4
0.8
SW
4
0.7
SW
5
0.7
SSW
5
0.9
SSW
4
1
SSW
5
1.1
SSW
5
1.3
SSW
5
1.3
SSW
5
1.2
SW
5
1
SW
5
0.9
SW
5
0.7
SW
4
0.6
SSW
4
0.6
SSW
4
0.5
SSW
4
0.7
SSW
4
0.9
SSW
5
Wave Graph
Metric surfscale
Energy kJ
41
45
33
24
15
25
22
23
22
24
29
46
59
80
90
83
49
31
18
10
9
7
13
37
Wind (km/h)
25
WNW
15
WNW
20
WNW
20
SW
25
SSW
25
SSW
20
SSW
15
S
15
S
15
S
25
S
30
SSW
30
SSW
30
SSW
30
SSW
25
S
20
S
20
S
15
S
20
SSW
20
SSW
25
SSW
25
SSW
25
S
Wind State
cross
cross
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
High Tide
9:01AM3.24m
9:19PM3.52m
9:41AM3.38m
9:56PM3.72m
10:17AM3.50m
Low Tide
3:23AM0.93m
3:37PM0.90m
4:03AM0.71m
4:13PM0.71m
4:39AM0.51m
4:47PM0.55m
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:26
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:20
9:17
 mm
Temp °C
15
14
14
15
15
17
17
18
17
17
16
18
18
18
18
17
17
17
16
17
18
18
18
17
Feels °C
11
11
10
12
11
14
15
17
16
16
13
14
14
13
14
14
15
15
14
15
16
15
15
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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