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 13 Nov 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
12.7°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 (14 Nov):

  • Morning surf: Morning surf (14 Nov, local time) - 4ft (1.2m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Nov, local time) - 6.5ft (2.0m), 6s period with SSW swell.
  • Evening surf: Evening surf (14 Nov, local time) - 7ft (2.2m), 7s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 12AM is: 0.6m 8s primary swell from a South-southwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 05:00pm November 13). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (14 Nov)4ft (1.2m)5s
Afternoon (14 Nov)6.5ft (2.0m)6s
Evening (14 Nov)7ft (2.2m)7s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 11°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (strong winds from the NW on Sun afternoon, light winds from the SW by Mon morning).

Fri
13
Saturday
14
Sunday
15
Mon
16
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
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
Wave
Height (m)
Direction
Period (s)
0.4
SW
9
0.4
SW
9
0.3
SW
9
0.6
SSW
8
1
SSW
4
0.9
SSW
4
1.2
SSW
5
1.7
SSW
5
2
SSW
6
2
SSW
6
2.2
SSW
7
2.2
SSW
7
2.1
SSW
7
2
SSW
7
1.8
SSW
7
1.5
SSW
8
1.2
SSW
8
0.8
SSW
7
0.6
SSW
8
0.6
SSW
8
0.6
SW
8
0.7
SW
10
Wave Graph
Metric surfscale
Energy kJ
21
20
12
47
30
32
61
161
283
315
423
458
395
360
340
256
161
70
40
41
50
92
Wind (km/h)
10
SW
10
SW
15
SSW
25
SSW
30
SSW
25
SSW
35
S
40
S
35
S
40
S
40
S
40
S
40
S
35
SSE
35
SSE
25
S
40
NNW
45
NW
40
N
30
NNW
30
NW
25
NW
Wind State
on
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-off
cross
cross-off
cross-off
cross
cross
High Tide
11:32PM3.34m
11:46AM3.51m
00:14AM3.09m
12:31PM3.31m
1:04AM2.87m
Low Tide
6:05PM0.70m
6:16AM0.98m
6:47PM0.91m
6:57AM1.17m
7:35PM1.10m
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:39
—
—
—
—
—
—
—
7:41
—
—
—
—
—
—
—
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:25
—
—
—
—
—
—
—
4:23
—
—
—
—
—
—
—
4:22
—
—
—
—
4:21
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
1
2
2
1
1
—
—
Temp °C
9
9
9
9
9
9
9
9
10
11
10
10
9
9
10
10
9
8
6
7
7
6
Feels °C
6
6
5
3
2
2
1
0
2
2
1
1
1
1
3
5
0
-2
-3
-1
-2
-1
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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