Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 6 pm 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
15.4°C
1.7° 

Cable Bay (Porth Trecastell) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Time (BST) & DateWave HeightWave Period
Morning (19 Oct)--
Afternoon (19 Oct)--
Evening (19 Oct)1.5ft (0.5m)4s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Tue night. Very mild (max 13°C on Mon morning, min 8°C on Wed morning). Winds increasing (calm on Tue morning, near gales from the W by Wed morning).

Sun
18
Monday
19
Tuesday
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
Rating
(10 max)
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
Wave
Height (m)
Direction
Period (s)
0.3
NE
2
0.3
NE
3
0.4
NE
3
0.6
NE
3
0.7
NE
4
0.8
NE
4
0.8
NE
4
0.4
NNE
5
0.3
NE
5
0.4
SE
3
0.5
SSE
4
0.5
S
4
0.5
S
4
0.4
SSW
5
0.2
SSW
6
0.3
SSW
4
0.3
SSW
4
0.4
SSW
4
0.7
SSW
4
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
3
8
8
9
7
4
4
4
6
15
Wind (km/h)
15
NE
15
NE
15
NNE
20
ENE
25
NE
25
NE
20
ENE
15
ESE
15
ESE
15
ESE
15
ESE
10
ESE
5
E
10
E
5
E
5
S
10
SSW
15
S
20
SSE
Wind State
off
off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
cross
High Tide
3:07PM2.89m
4:26AM2.60m
5:01PM2.85m
6:08AM2.69m
6:20PM3.01m
Low Tide
10:06PM1.48m
10:29AM1.65m
11:34PM1.47m
11:56AM1.59m
clear
clear
part cloud
clear
clear
cloud
clear
clear
cloud
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:50
—
—
—
—
—
—
—
7:52
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
—
—
—
—
—
—
—
6:14
—
—
—
—
—
—
—
6:12
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
2
2
—
—
Temp °C
10
11
11
10
10
9
11
13
13
13
12
11
10
9
9
9
10
10
10
Feels °C
5
7
7
5
4
3
8
9
9
9
8
8
7
6
8
8
8
7
6
  • 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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