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 pm 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):

  • Afternoon surf: Afternoon surf (17 Jun, local time) - 3.5ft (1.1m), 5s period with SSW swell.
  • Evening surf: Evening surf (17 Jun, local time) - 4.5ft (1.3m), 6s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 10PM is: 1.3m 6s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 06:00pm June 17). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)3.5ft (1.1m)5s
Evening (17 Jun)4.5ft (1.3m)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 9mm), mostly falling on Thu afternoon. Very mild (max 17°C on Fri morning, min 13°C on Wed night). Winds decreasing (fresh winds from the S on Fri morning, light winds from the NW by Fri night).

Wed
17
Thursday
18
Friday
19
Sat
20
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
4 AM
7 AM
10 AM
1 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)
1.1
SSW
5
1.3
SSW
5
1.3
SSW
6
1.1
SW
5
0.9
SSW
5
0.9
SSW
4
1.2
SSW
5
1.5
SSW
6
1.7
SSW
6
1.6
SSW
6
1.4
SSW
6
1.3
SSW
6
1.4
SSW
6
1.7
SSW
6
1.8
SSW
6
1.9
SSW
7
2
SSW
7
1.5
SSW
7
1.3
SSW
7
1.2
SSW
7
0.9
SSW
7
0.8
SSW
7
0.6
SW
7
0.6
SSW
7
Wave Graph
Metric surfscale
Energy kJ
61
90
101
67
45
36
72
131
181
173
135
115
119
185
255
302
332
199
138
123
81
59
37
31
Wind (km/h)
30
SSW
30
SSW
25
S
25
S
20
SSE
30
S
30
S
30
S
30
S
25
S
25
S
25
S
25
SSE
30
S
35
S
35
S
35
SSW
25
SSW
20
S
20
S
20
SSW
10
NW
15
WNW
10
W
Wind State
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
cross-on
cross-on
on
cross
cross-on
cross-on
High Tide
11:50PM4.33m
12:26PM3.83m
00:42AM4.24m
1:22PM3.61m
1:37AM4.08m
Low Tide
6:23PM0.15m
6:56AM-0.17m
7:11PM0.29m
7:47AM-0.03m
8:01PM0.48m
8:40AM0.19m
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
light rain
rain showers
part cloud
cloud
part cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
2
5
1
1
Temp °C
15
14
14
14
13
14
15
15
15
16
16
16
16
16
16
17
15
14
14
14
14
13
13
13
Feels °C
10
9
10
10
10
9
11
10
10
13
13
12
12
11
10
12
10
10
11
11
11
11
11
10
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
11
0.1
SW
11
0.1
SW
11
0.1
SW
11
0.1
S
11
0.1
SW
11
0.1
S
10
0.9
SSW
7
0.8
SSW
7
0.6
SW
7
0.6
SSW
7
Energy kJ
5
5
5
5
5
5
5
5
5
2
5
2
81
59
37
31
Swell 2
Height (m)
Direction
Period (s)
0.1
S
10
0.1
S
10
Energy kJ
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.1
SSW
5
1.3
SSW
5
1.3
SSW
6
1.1
SW
5
0.9
SSW
5
0.9
SSW
4
1.2
SSW
5
1.5
SSW
6
1.7
SSW
6
1.6
SSW
6
1.4
SSW
6
1.3
SSW
6
1.4
SSW
6
1.7
SSW
6
1.8
SSW
6
1.9
SSW
7
2
SSW
7
1.5
SSW
7
1.3
SSW
7
1.2
SSW
7
0.8
SW
7
0.2
WNW
3
0.3
NW
3
Energy kJ
61
90
101
67
45
36
72
131
181
173
135
115
119
185
255
302
332
199
138
123
73
1
2
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
299
284
226
179
179
198
226
256
256
179
179
179
196
196
198
198
297
243
118
106
212
44
45
173
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
2
2
2
2
2
1
1
1
1
2
2
2
1
1
1
1
1
Header Global
Rating
(10 max)
4
4
5
5
5
9
9
9
5
5
5
5
6
6
6
5
9
5
4
5
4
4
4
5
  • 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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