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Silver Bay (Holy Island) Surf Forecast
/ Wales – Anglesy (10 surf breaks) /
Surf Forecasts:
Silver Bay (Holy Island) surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 11 pm Tuesday 28 Oct 2025 GMTForecast update in hr min s Forecast update imminent
Silver Bay (Holy Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Silver Bay (Holy Island) sea temperature is
14.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Silver Bay (Holy Island) today?
The current surf forecast for Silver Bay (Holy Island) at 6AM is: 1.5m 6s primary swell from a West-southwest direction (forecast issued at 11:00pm October 28). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Oct) | 4.5ft (1.4m) | 5s |
| Afternoon (29 Oct) | 5ft (1.5m) | 5s |
| Evening (29 Oct) | 4.5ft (1.4m) | 6s |
Table - waves today at Silver Bay (Holy Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 29 | Thursday 30 | Friday 31 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 6 | 7 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 231 | 278 | 223 | 154 | 106 | 128 | 133 | 160 | 122 | 54 | 39 | 27 | 23 | 52 | 230 | 801 | 1557 | 1226 | 1005 | 931 | 1197 | 1267 | 1342 | 1121 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | on | on | cross- on | cross | cross- on | cross- on | on | cross- on | cross- on | cross | cross | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:43AM 4.31 | 3:10PM 4.55 | 4:04AM 4.19 | 4:29PM 4.52 | 5:31AM 4.30 | 5:46PM 4.68 | ||||||||||||||||||
Low Tide / height (m) | 8:26PM 2.18 | 8:49AM 2.48 | 9:38PM 2.29 | 10:08AM 2.57 | 11:00PM 2.20 | 11:31AM 2.42 | ||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:13 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:49 | - |
 |  | | |  | | | | |  |  | |  | |  | | |  | |  |  | | | | |
Rain (mm) | - | 1 | 1 | - | - | - | - | 1 | 1 | - | - | - | - | - | 2 | 1 | 3 | 5 | - | 1 | 2 | 2 | 1 | 2 |
| Temp. °C | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 |
| Feels °C (?) | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 1 | 4 | 3 | 5 | 7 | 5 | 4 | 1 | 1 | 2 | 5 | 4 | 4 | 4 | 4 | 5 | 4 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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