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 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):

  • Afternoon surf: Afternoon surf (26 Oct, local time) - 11ft (3.5m), 8s period with SSW 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 8PM is: 4.0m 9s primary swell from a South-southwest direction (forecast issued at 05:00pm October 26). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (26 Oct)--
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

Light rain (total 8mm), mostly falling on Mon night. Very mild (max 16°C on Mon night, min 11°C on Mon night). Winds decreasing (gales from the S on Mon night, moderate winds from the SSW by Wed afternoon).

Mon
26
Tuesday
27
Wednesday
28
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
SSW
8
3.5
SSW
9
4
SSW
9
4.5
SW
10
3.5
SW
10
3.5
SW
9
3.5
SW
8
3
SW
8
2.5
SW
7
2.5
SW
7
2.4
WSW
6
2.3
SW
6
2.3
SW
7
2.5
SW
7
2.2
SW
7
1.8
SW
7
1.6
SW
8
1.5
SW
7
1.6
SW
6
Wave Graph
Metric surfscale
Energy kJ
1461
2007
2694
3755
2561
1961
1521
1019
651
544
457
418
480
714
516
363
292
235
171
Wind (km/h)
50
SSW
55
S
60
S
60
SSW
45
WSW
50
WSW
45
WSW
40
WSW
40
WSW
40
WSW
40
WSW
40
SW
40
SW
45
SW
30
WSW
25
SW
25
SSW
30
SSW
30
SSW
Wind State
cross-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
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
cloud
cloud
cloud
light rain
rain showers
clear
cloud
cloud
light rain
rain showers
cloud
part cloud
cloud
light rain
part cloud
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:05
—
—
—
—
—
—
—
7:07
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:59
—
—
—
—
—
—
—
4:57
—
—
—
—
—
—
—
4:54
—
—
 mm
—
—
—
3
2
—
—
—
1
1
—
—
—
1
—
—
—
—
—
Temp °C
15
15
16
15
14
11
11
11
12
11
11
12
13
13
14
14
14
13
13
Feels °C
6
6
5
4
5
1
1
2
3
2
2
4
5
5
8
8
9
8
8
  • Map Icons:
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  • 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 

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Anglesy

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