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

information circle48hr Weather and Surf, issued 5 am 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 12PM is: 0.4m 13s primary swell from a Southwest direction and 0.9m 5s secondary swell from a South-southwest direction, 0.3m 13s secondary swell from a Southwest direction (forecast issued at 05:00am February 09). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (09 Feb)3ft (0.9m)5s
Afternoon (09 Feb)2.5ft (0.8m)5s
Evening (09 Feb)3ft (0.9m)8s

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

Updates in  hr  min  s Forecast update imminent
Monday
09
Tuesday
10
Wednesday
11
Thu
12
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
0
0
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
2
0
0
0
2
2
3
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SW
0.6
SSW
0.9
SSW
0.4
SW
0.8
S
0.7
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SW
0.9
SSW
0.8
SSW
0.4
SW
0.4
SW
0.9
SSW
1.4
SW
1.4
SW
1.2
SW
1.7
SW
1.6
SW
1.4
SW
1.3
SW
Period(s) (?)99513578881010101091616888913131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)395238433448881039914816813914210683791262502812531021859711560
Wind
(km/h)
20
SSE
15
SE
10
ESE
15
ESE
20
ESE
20
ESE
15
E
10
E
5
ENE
10
SSE
20
SSE
25
SSE
20
SSE
15
SE
20
S
20
S
20
S
10
S
20
SW
20
SW
25
SSW
15
SSW
10
SE
5
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
crossglass
High Tide
/ height (m)
2:12PM
3.15
2:45AM
2.91
3:21PM
2.86
4:07AM
2.77
4:55PM
2.74
Low Tide
/ height (m)
8:19AM
1.22
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
Thu
12
Sunrise--7:48-------7:46-------7:45-----
Sunset----5:15-------5:17-------5:20---
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
light rain
light rain
cloud
cloud
light rain
cloud
cloud
light rain
cloud
rain showers
rain showers
cloud
Rain (mm)
------1121--31--2--1-11-
Temp. °C8881099988899899999999999
Feels °C (?)345745556554465557553677
  • 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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