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Surf Forecasts:

Cable Bay (Porth Trecastell) surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 11 am Wednesday 28 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Cable Bay (Porth Trecastell) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cable Bay (Porth Trecastell) sea temperature is
8.2° C
 (Which is normal for this time of year)

How big are the waves at Cable Bay (Porth Trecastell) today?

The current surf forecast for Cable Bay (Porth Trecastell) at 5PM is: 1.4m 11s primary swell from a South-southwest direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 11:00am January 28). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (GMT) & DateWave HeightWave Period
Morning (28 Jan)5ft (1.6m)12s
Afternoon (28 Jan)4.5ft (1.4m)11s
Evening (28 Jan)4.5ft (1.3m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
28
Thursday
29
Friday
30
Saturday
31
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
1
2
2
3
3
3
2
2
1
0
0
0
0
0
1
0
2
2
4
4
3
3
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
SSW
1.5
SSW
1.4
SSW
1.4
SSW
1.3
SSW
1.4
SSW
1.5
SSW
1.6
SSW
1.6
SSW
1.6
SSW
1.7
SSW
1.6
SSW
1.3
SSW
1.4
SSW
1.9
S
1.7
S
1.1
SW
1.9
SSW
1.6
SW
1.4
SW
1.3
SW
1.1
SW
0.7
SW
1.1
SW
Period(s) (?)121111111111810998887661917171616161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)646527450441412427321480424372370322186183284178791206515061078865669239551
Wind
(km/h)
20
SE
15
SE
10
SE
10
ESE
15
ESE
15
ESE
15
ESE
15
ESE
20
ESE
25
SE
35
ESE
35
ESE
35
ESE
25
ESE
20
ESE
20
SE
20
SSE
25
SSE
5
ESE
10
ENE
15
ENE
15
ENE
15
NE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
off		offoffoffoffcross-
off
High Tide
/ height (m)
4:50PM
3.24
5:35AM
3.23
6:13PM
3.32
6:47AM
3.47
7:23PM
3.51
Low Tide
/ height (m)
11:18AM
1.18
12:03AM
1.05
12:42PM
0.95
1:15AM
0.84
1:48PM
0.58
2:13AM
0.56
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunrise8:08-------8:07-------8:06-------
Sunset--4:52-------4:53-------4:55-----
part cloud
clear
clear
cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
Rain (mm)
---------------------133
Temp. °C799776655877766778976666
Feels °C (?)25533220-11-1-1-2-11222741223
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cable Bay (Porth Trecastell) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Cable Bay (Porth Trecastell) at:
surf-forecast.com

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