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 15 Nov 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
12.6°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 (16 Nov):

  • Afternoon surf: Afternoon surf (16 Nov, local time) - 3.5ft (1.1m), 8s period with SSW swell.
  • Evening surf: Evening surf (16 Nov, local time) - 2ft (0.6m), 7s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 12AM is: 0.5m 8s primary swell from a Southwest direction and 0.3m 12s secondary swell from a Southwest direction (forecast issued at 05:00pm November 15). An open ocean swell of 2.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (16 Nov)--
Afternoon (16 Nov)3.5ft (1.1m)8s
Evening (16 Nov)2ft (0.6m)7s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 4°C on Mon night). Winds increasing (calm on Mon morning, strong winds from the SW by Mon night).

Sun
15
Monday
16
Tuesday
17
Wed
18
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)
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
2
1
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)
1.1
SSW
8
0.8
SSW
7
0.6
SSW
7
0.5
SW
8
0.6
SW
10
0.6
SW
10
0.6
SW
9
0.6
SSW
9
0.6
SSW
9
0.5
SW
9
0.4
SSW
8
1.4
SSE
5
2
S
7
2.1
S
7
3
SW
7
3
WSW
7
3
WSW
7
2.5
WSW
11
1.7
SW
12
1.5
SW
11
1.4
SW
11
1
SW
11
Wave Graph
Metric surfscale
Energy kJ
138
70
36
28
79
74
70
55
54
38
27
102
360
436
904
1113
838
1490
752
553
479
224
Wind (km/h)
15
NNE
45
NNW
35
NNW
30
NNW
25
NW
25
NW
15
NNW
5
N
15
ESE
20
SE
20
E
30
ESE
20
SE
50
SW
50
WSW
45
WSW
30
SW
20
W
20
WSW
20
SW
30
WSW
25
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
glassy
cross-off
cross
cross-off
cross-off
cross
on
on
on
on
cross-on
cross-on
on
cross-on
on
High Tide
12:31PM3.31m
1:04AM2.87m
1:27PM3.13m
2:17AM2.71m
2:41PM3.03m
3:50AM2.70m
Low Tide
7:35PM1.10m
7:44AM1.34m
8:30PM1.24m
8:40AM1.47m
9:33PM1.29m
light rain
light rain
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
light rain
light rain
rain showers
cloud
cloud
clear
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:43
—
—
—
—
—
—
—
7:45
—
—
—
—
—
—
—
7:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:22
—
—
—
—
—
—
—
4:21
—
—
—
—
—
—
—
4:20
—
—
—
—
4:17
 mm
3
2
—
—
—
—
—
—
—
—
4
6
1
2
1
1
—
—
—
—
2
1
Temp °C
9
9
8
7
7
7
6
7
7
5
4
7
7
12
11
11
11
11
10
10
10
10
Feels °C
6
-1
-1
-1
-1
0
1
4
2
-1
-2
0
2
3
1
1
4
6
5
5
3
4
  • 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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