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

information circle48hr Weather and Surf, issued 11 am Sunday 01 Mar 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
8.0° C
(Which is slightly warmer than usual)

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

The current surf forecast for Cable Bay (Porth Trecastell) at 8PM is: 3.5m 8s primary swell from a South-southwest direction (forecast issued at 11:00am March 01). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (01 Mar)7ft (2.2m)6s
Afternoon (01 Mar)8ft (2.5m)7s
Evening (01 Mar)11ft (3.5m)8s

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


Updates in  hr  min  s Forecast update imminent
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.2
SSW
2.4
SSW
2.5
SSW
3
SSW
3.5
SSW
3.5
SSW
3.5
SSW
3.5
SSW
2.5
SSW
2
SSW
1.6
SSW
1.4
SSW
1.3
SSW
1.1
SW
0.9
SSW
0.8
SSW
0.7
SW
0.6
SSW
0.6
SSW
0.5
SW
0.4
SSW
0.4
SW
0.4
SW
0.3
SW
Period(s) (?)67788910101010101010109999988888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)418545622105116482145237421881403778510371320216151106835350342617169
Wind
(km/h)
45
S
40
S
45
S
50
S
55
S
55
S
50
S
50
S
45
S
15
NNW
15
S
25
SSW
25
SW
25
NW
25
NW
20
NNW
15
NNW
15
N
15
NE
15
NE
15
E
10
E
10
E
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
oncrosscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
7:45AM
3.79
8:20PM
3.63
8:29AM
4.10
8:59PM
3.83
9:07AM
4.33
9:33PM
3.97
Low Tide
/ height (m)
2:33PM
0.18
2:48AM
0.34
3:17PM
-0.09
3:29AM
0.13
3:57PM
-0.24
4:08AM
0.02
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Sunrise7:05-------7:03-------7:01-------
Sunset--5:54-------5:57-------5:58-----
light rain
cloud
light rain
light rain
light rain
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
Rain (mm)
1-122-2233--------------
Temp. °C9101010109999778987667898877
Feels °C (?)0210-1-3-2-2-1332321113454544
  • 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

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