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

information circle48hr Weather and Surf, issued 11 am Wednesday 04 Feb 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
7.9° 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 4PM is: 0.9m 8s primary swell from a South-southwest direction and 0.2m 13s secondary swell from a West-southwest direction (forecast issued at 11:00am February 04). An open ocean swell of 0.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (04 Feb)3.5ft (1.0m)8s
Afternoon (04 Feb)3ft (0.9m)8s
Evening (04 Feb)2.5ft (0.7m)8s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
04
Thursday
05
Friday
06
Saturday
07
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1
SSW
1
SSW
0.9
SSW
0.9
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.4
SSW
0.3
SW
0.4
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.6
SW
1
SW
1
SW
Period(s) (?)8888888815152019181817101010101010131414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1441371059451414224345471888410885100100100989694113401357
Wind
(km/h)
10
ESE
10
ESE
15
E
20
E
30
E
30
E
35
ENE
40
ENE
45
ENE
45
E
40
E
40
E
35
E
35
E
30
ENE
30
ENE
25
ENE
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
10:43AM
4.50
11:09PM
3.91
11:21AM
4.39
11:46PM
3.78
12:00PM
4.16
12:24AM
3.60
Low Tide
/ height (m)
5:37PM
-0.22
5:45AM
0.15
6:15PM
-0.00
6:22AM
0.35
6:52PM
0.30
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunrise7:56-------7:56-------7:54-------
Sunset--5:06-------5:07-------5:09-----
cloud
cloud
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
Rain (mm)
-----------1-1-1432231--
Temp. °C688677765567666666666655
Feels °C (?)243100-1-3-5-5-4-2-2-2-1-101101101
  • 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

Latest Updates

FREE! Surf-Forecast.com widget for your website

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest