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

information circle48hr Weather and Surf, issued 5 pm Wednesday 11 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 10PM is: 1.6m 14s primary swell from a Southwest direction (forecast issued at 05:00pm February 11). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (11 Feb)--
Afternoon (11 Feb)6ft (1.8m)14s
Evening (11 Feb)5ft (1.6m)14s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
11
Thursday
12
Friday
13
Saturday
14
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
0
2
2
3
3
2
2
2
3
4
3
3
2
2
0
0
0
0
0
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SW
1.8
SW
1.6
SW
1.4
SW
1.2
SW
0.9
SSW
0.6
SW
0.7
SW
1
SW
1.6
SW
1.5
SW
1.4
SW
1.3
SW
1.3
SW
0.7
SW
1
SW
0.9
SW
0.7
SW
0.6
SSW
0.4
SW
0.4
SSW
0.4
SW
0.3
SSW
0.2
WSW
Period(s) (?)1414141313917171615151414131312101091399913
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12361184961711509151183293498120092481059556016126413792594233221717
Wind
(km/h)
25
SSW
15
S
10
SSE
10
ESE
15
NE
15
NE
20
NE
20
ENE
5
E
10
ENE
10
E
15
ESE
15
ESE
20
ENE
25
ENE
40
ENE
40
NE
35
NE
25
NE
15
NE
5
N
10
NE
5
ESE
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
crosscross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffcross-
off
offglasscross-
on
High Tide
/ height (m)
4:55PM
2.74
5:40AM
2.80
6:21PM
2.81
6:52AM
3.00
7:22PM
3.00
7:43AM
3.27
Low Tide
/ height (m)
11:40PM
1.63
12:31PM
1.52
1:00AM
1.44
1:34PM
1.26
1:50AM
1.17
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise------7:43-------7:41-------7:39-
Sunset5:20-------5:22-------5:23-------
light rain
cloud
light rain
light rain
light rain
cloud
cloud
cloud
rain showers
part cloud
cloud
rain showers
light rain
light rain
cloud
cloud
cloud
part cloud
clear
clear
cloud
clear
clear
part cloud
Rain (mm)
1-111---1--111----------
Temp. °C998887666667665334433445
Feels °C (?)45564311432321-1-6-7-5-3-2-1012
  • 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

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