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Trearddur Bay (Holy Island) Surf Forecast
/ Wales – Anglesy (10 surf breaks) /
Trearddur Bay (Holy Island) surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 6 pm Wednesday 30 Apr 2025 BST
How big are the waves at Trearddur Bay (Holy Island) today?
The current surf forecast for Trearddur Bay (Holy Island) at 12AM is: 0.1m 8s primary swell from a Southwest direction and 0.1m 5s secondary swell from a South direction (forecast issued at 06:00pm April 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | - | - |
| Afternoon (01 May) | 0.5ft (0.2m) | 6s |
| Evening (01 May) | 0.5ft (0.1m) | 8s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thu 08 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 4 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 3 | 3 | 3 | 2 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 5 | 5 | 5 | 4 | 4 | 5 | 2 | 2 | 2 | 4 | 4 | 3 | 3 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- on | cross- on | on | cross- on | cross | cross- off | cross- off | off | 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 | cross- off | off | off | off | off | cross- off | cross- off | cross- off | off | 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 | off | off | off | cross- off | cross | cross | cross- on | cross- on | on | on | cross |
High Tide / height (m) | 1:11AM 5.56 | 1:42PM 5.45 | 2:00AM 5.33 | 2:37PM 5.08 | 2:55AM 5.06 | 3:40PM 4.71 | 3:59AM 4.79 | 4:54PM 4.43 | 5:15AM 4.60 | 6:18PM 4.33 | 6:38AM 4.58 | 7:32PM 4.42 | 7:48AM 4.69 | 8:28PM 4.58 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 6:58PM 0.69 | 7:25AM 0.61 | 7:47PM 1.07 | 8:19AM 0.93 | 8:40PM 1.49 | 9:19AM 1.28 | 9:40PM 1.88 | 10:29AM 1.58 | 10:52PM 2.16 | 11:49AM 1.72 | 12:14AM 2.22 | 1:06PM 1.68 | 1:28AM 2.09 | 2:06PM 1.53 | ||||||||||||||||||||||||||||||||||||||||||||||
Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thu 08 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - |
| Sunset | - | 8:44 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:50 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:54 | - | - | - | - | - | - | - | 8:57 | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 18 | 17 | 17 | 16 | 15 | 14 | 12 | 11 | 9 | 9 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 9 | 8 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 8 | 9 | 8 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 13 | 11 |
| Feels °C (?) | 17 | 18 | 18 | 16 | 14 | 15 | 14 | 13 | 10 | 7 | 7 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 5 | 4 | 4 | 4 | 3 | 5 | 4 | 6 | 3 | 3 | 1 | 2 | 0 | 2 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 4 | 3 | 5 | 5 | 5 | 6 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 9 | 7 |
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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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