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 26 Oct 2026 (local time)

Forecast update in  hr  min

Today's Cable Bay (Porth Trecastell) sea temperature is
14.5°C
1.4° 

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 (26 Oct):

  • Morning surf: Morning surf (26 Oct, local time) - 7.5ft (2.3m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (26 Oct, local time) - 11ft (3.5m), 8s period with SW swell.
  • Evening surf: Evening surf (26 Oct, local time) - 13ft (4.0m), 9s period with SSW swell.

The current surf forecast for Cable Bay (Porth Trecastell) at 4PM is: 3.5m 8s primary swell from a South-southwest direction (forecast issued at 11:00am October 26). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (26 Oct)7.5ft (2.3m)7s
Afternoon (26 Oct)11ft (3.5m)8s
Evening (26 Oct)13ft (4.0m)9s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon morning. Very mild (max 16°C on Mon night, min 11°C on Tue morning). Winds decreasing (gales from the SSW on Mon night, moderate winds from the SW by Wed afternoon).

Mon
26
Tuesday
27
Wednesday
28
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
Rating
(10 max)
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)
2.3
SSW
7
3
SSW
8
3.5
SW
8
3.5
SSW
9
4
SSW
9
4.5
SW
10
4
SW
10
3.5
SW
9
3.5
SW
8
3
SW
8
2.5
SW
7
2.5
SW
7
2.5
WSW
7
2.1
SW
6
2.1
SW
6
2.3
SW
7
2.2
SW
7
1.8
SW
7
1.6
SW
7
1.5
SW
7
1.5
SW
6
Wave Graph
Metric surfscale
Energy kJ
435
982
1547
1729
2463
4137
3369
2147
1457
939
671
561
521
356
352
480
462
334
248
216
154
Wind (km/h)
45
SSE
45
SSW
50
SSW
50
S
60
S
60
SSW
50
WSW
45
SW
45
WSW
40
WSW
40
WSW
40
WSW
35
WSW
35
SW
40
SW
40
SW
30
SW
30
SW
25
SW
25
SSW
25
SSW
Wind State
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
High Tide
8:47AM4.12m
9:01PM4.31m
9:22AM4.24m
9:40PM4.33m
9:59AM4.26m
Low Tide
3:34PM0.10m
3:56AM-0.06m
4:15PM0.00m
4:37AM0.01m
4:59PM0.01m
light rain
light rain
cloud
cloud
cloud
light rain
rain showers
rain showers
cloud
cloud
rain showers
clear
clear
cloud
cloud
cloud
clear
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
—
—
—
—
—
—
7:05
—
—
—
—
—
—
—
7:07
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
4:59
—
—
—
—
—
—
—
4:57
—
—
—
—
—
—
—
4:54
—
—
 mm
4
3
—
—
—
3
2
1
—
—
1
—
—
—
—
—
—
—
—
—
—
Temp °C
12
15
15
15
16
15
14
12
11
12
12
11
11
12
12
13
14
13
13
13
13
Feels °C
3
7
6
6
5
4
5
2
2
4
3
2
3
4
4
5
8
8
9
9
9
  • 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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How to use the Wavefinder 

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