Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 5 pm 09 Nov 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
13.0°C
0.7° 

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 (10 Nov):

  • Morning surf: Morning surf (10 Nov, local time) - 2ft (0.6m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (10 Nov, local time) - 2.5ft (0.8m), 12s period with SW swell.
  • Evening surf: Evening surf (10 Nov, local time) - 2.5ft (0.8m), 11s period with SW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 1AM is: 0.6m 11s primary swell from a Southwest direction and 0.5m 7s secondary swell from a South direction (forecast issued at 05:00pm November 09). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (10 Nov)2ft (0.6m)11s
Afternoon (10 Nov)2.5ft (0.8m)12s
Evening (10 Nov)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 11°C on Mon afternoon, min 6°C on Mon night). Wind will be generally light.

Mon
9
Tuesday
10
Wednesday
11
Thu
12
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
Rating
(10 max)
0
1
0
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
0
1
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)
0.7
SSW
7
0.7
SSW
7
0.5
SW
12
0.6
SW
11
0.7
SW
11
0.6
SW
11
0.6
SW
11
0.8
SW
11
0.8
SW
12
0.8
SW
11
0.8
SW
11
1
SW
13
0.9
SW
13
0.9
SW
13
0.9
SW
12
0.9
SW
12
0.8
SW
12
0.8
SW
12
0.7
SW
11
0.6
SW
11
0.6
SW
11
0.6
SSW
11
Wave Graph
Metric surfscale
Energy kJ
48
48
69
104
126
101
103
155
161
150
147
336
277
265
252
248
175
169
130
97
94
76
Wind (km/h)
15
ENE
15
E
15
E
10
E
10
E
10
E
10
E
5
E
10
NE
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
NE
15
NE
15
NE
10
NNE
20
NNE
25
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
off
cross-off
off
off
off
cross-off
cross-off
off
High Tide
9:05PM3.96m
9:21AM4.00m
9:41PM3.88m
9:55AM3.96m
10:17PM3.75m
Low Tide
3:38PM0.24m
3:55AM0.31m
4:15PM0.27m
4:29AM0.44m
4:50PM0.36m
5:04AM0.60m
clear
clear
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:31
—
—
—
—
—
—
—
7:33
—
—
—
—
—
—
—
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:31
—
—
—
—
—
—
—
4:30
—
—
—
—
—
—
—
4:29
—
—
—
—
4:27
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
11
9
7
7
7
6
7
9
9
8
8
8
8
7
7
8
9
7
7
8
8
8
Feels °C
7
5
3
3
4
2
4
7
6
3
3
3
3
2
2
3
4
3
3
4
3
2
  • 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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