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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 5 pm Monday 09 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
7.7° 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 12AM is: 0.9m 8s primary swell from a South-southwest direction and 0.1m 23s secondary swell from a Southwest direction (forecast issued at 05:00pm February 09). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (10 Feb)3ft (0.9m)10s
Afternoon (10 Feb)2.5ft (0.7m)10s
Evening (10 Feb)2ft (0.6m)9s

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
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
0
0
0
1
0
1
2
1
1
1
0
0
1
0
0
0
0
0
2
3
0
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
S
0.8
S
0.9
SSW
0.9
SSW
0.9
SSW
0.8
SSW
0.9
SW
1.1
SSW
0.7
SW
0.4
SW
0.4
SW
0.8
SSW
0.8
SSW
0.9
SSW
1.2
SSW
1.5
SSW
2.1
SW
2
SW
1.6
SW
0.8
SW
1
SSW
0.6
SW
0.6
SW
0.7
SW
Period(s) (?)5788810101010161699998131314139171817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)36569110510811713921810669651019913822626914301367961253161243192297
Wind
(km/h)
20
ESE
15
E
15
ESE
10
E
15
ENE
15
E
10
E
15
SE
10
SE
15
E
10
SE
10
SSE
10
SSW
15
S
30
SW
30
SSW
25
S
25
SSW
10
SSW
5
WSW
20
NW
15
NW
10
N
10
WNW
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		crosscrosscross-
off		crosscross-
on		oncross-
on		oncross-
on		cross-
on		oncross-
on		oncrosscross-
off		cross-
off		cross
High Tide
/ height (m)
2:12PM
3.15
2:45AM
2.91
3:21PM
2.86
4:07AM
2.77
4:55PM
2.74
5:40AM
2.80
Low Tide
/ height (m)
8:51PM
1.34
9:16AM
1.48
9:58PM
1.58
10:49AM
1.63
11:40PM
1.63
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Sunrise------7:46-------7:45-------7:43-
Sunset5:15-------5:17-------5:20-------
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
cloud
cloud
part cloud
cloud
cloud
Rain (mm)
--------11-----1121-----
Temp. °C108888889999910991099999889
Feels °C (?)544545566676853444675557
  • 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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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.

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

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