Cable Bay (Porth Trecastell) Surf Break

Lat Long: 53.22° N 4.51° W

Cable Bay (Porth Trecastell) 48 hour detailed Surf Forecast

Issued: 11 am 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 (15 Nov):

  • Morning surf: Morning surf (15 Nov, local time) - 4.5ft (1.4m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (15 Nov, local time) - 3.5ft (1.1m), 8s period with SSW swell.
  • Evening surf: Evening surf (15 Nov, local time) - 2ft (0.6m), 7s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 5PM is: 0.9m 7s primary swell from a South-southwest direction (forecast issued at 11:00am November 15). An open ocean swell of 1.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (15 Nov)4.5ft (1.4m)7s
Afternoon (15 Nov)3.5ft (1.1m)8s
Evening (15 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 35mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 5°C on Mon night). Winds increasing (light winds from the NE on Mon morning, near gales from the SW by Mon night).

Sun
15
Monday
16
Tuesday
17
Wed
18
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
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
Rating
(10 max)
1
0
1
0
0
0
0
0
0
1
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)
1.4
SSW
7
1.3
SSW
7
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
1.3
SE
5
2
S
7
2.4
SSW
8
3
SW
8
3
SW
8
3
SW
7
1.3
SW
11
1.9
SW
12
1.6
SW
11
2.1
SW
11
1.7
SW
11
Wave Graph
Metric surfscale
Energy kJ
176
188
138
70
36
28
79
74
70
55
54
38
27
103
385
716
1225
1118
878
445
974
673
1035
669
Wind (km/h)
15
SE
15
S
15
NNE
45
NNW
35
NW
35
NW
35
NW
30
NW
20
NNW
10
NE
15
E
20
ESE
20
ESE
30
ESE
20
SE
55
SW
45
WSW
45
SW
30
WSW
25
WSW
25
WSW
25
SW
25
WSW
25
WSW
Wind State
cross
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross
on
on
on
on
cross-on
on
on
cross-on
cross-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
cloud
light rain
light rain
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
light rain
mod rain
mod rain
light rain
part cloud
cloud
rain showers
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
—
—
—
—
—
—
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
—
1
4
1
—
—
—
—
—
—
—
—
1
5
8
8
2
—
—
1
—
1
2
1
Temp °C
8
10
9
9
7
7
7
7
7
7
7
6
5
7
8
12
11
11
10
10
10
10
10
10
Feels °C
4
7
6
-1
-2
-2
-2
-1
1
3
2
0
0
0
4
1
2
2
3
4
4
4
5
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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