Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (24 Sep):
- Morning surf: Morning surf (24 Sep, local time) - 3ft (0.9m), 4s period with S swell.
- Afternoon surf: Afternoon surf (24 Sep, local time) - 4ft (1.2m), 5s period with SSW swell.
- Evening surf: Evening surf (24 Sep, local time) - 4ft (1.2m), 5s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 2PM is: 1.1m 5s primary swell from a South-southwest direction (forecast issued at 06:00am September 24). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Sep) | 3ft (0.9m) | 4s |
| Afternoon (24 Sep) | 4ft (1.2m) | 5s |
| Evening (24 Sep) | 4ft (1.2m) | 5s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Very mild (max 16°C on Thu night, min 11°C on Fri afternoon). Winds increasing (light winds from the S on Fri afternoon, strong winds from the S by Sat night). | |||||||||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 4 | SSE 3 | S 4 | SSW 5 | SSW 5 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | SW 4 | SW 16 | SW 15 | SW 15 | SW 3 | SW 3 | SW 4 | SW 4 | SW 5 | SSW 5 | SW 5 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1 | 3 | 24 | 56 | 69 | 72 | 57 | 51 | 35 | 17 | 10 | 10 | 10 | 9 | 8 | 8 | 6 | 10 | 21 | 54 | 80 | 119 | 138 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross | cross | cross-on | on | on | on | on | on | on | on | cross-on | cross-on |
High Tide | 9:54AM4.96m | 9:59PM5.36m | 10:24AM5.19m | 10:31PM5.59m | 10:54AM5.39m | ||||||||||||||||||
Low Tide | 3:38AM1.45m | 3:49PM1.55m | 4:10AM1.13m | 4:20PM1.24m | 4:40AM0.87m | 4:52PM0.99m | |||||||||||||||||
 | |  |  | |  |  | | | | | | |  | | | | | | | | | | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 14 | 15 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 12 | 11 | 12 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 9 | 9 | 7 | 8 | 10 | 10 | 10 | 11 | 12 | 10 | 12 | 11 | 10 | 9 | 9 | 9 | 10 | 9 | 9 | 10 | 9 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | NNW 4 | N 4 | — | — | — | — | — | — | SW 19 | SW 5 | SW 4 | SW 4 | NW 3 | SSW 4 | SW 15 | SW 9 | SW 9 | SW 12 | — | SW 14 | SW 14 | SW 14 | S 14 |
| kJ | 3 | 1 | — | — | — | — | — | — | 14 | 17 | 9 | 4 | 2 | 2 | 8 | 3 | 3 | 6 | — | 8 | 8 | 8 | 4 |
Swell 2 Height (m) Direction Period (s) | SW 4 | — | — | — | — | — | — | — | — | SW 17 | SW 16 | SW 16 | SW 4 | — | SW 9 | SW 14 | SW 12 | W 12 | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | 12 | 10 | 10 | 3 | — | 3 | 8 | 6 | 3 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 11 | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 15 | — | — | W 12 | — | — | — | — | — | — |
| kJ | — | 2 | — | — | — | — | — | — | — | — | — | — | 10 | 9 | — | — | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | S 4 | SSW 5 | SSW 5 | SSW 5 | SW 5 | SW 5 | SW 5 | NW 3 | NW 3 | NW 4 | — | — | SW 2 | SW 3 | SW 3 | SW 4 | SW 4 | SW 5 | SSW 5 | SW 5 | SW 6 |
| kJ | — | 3 | 24 | 56 | 69 | 72 | 57 | 51 | 35 | 2 | 3 | 3 | — | — | 1 | 5 | 6 | 10 | 21 | 54 | 80 | 119 | 138 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 163 | 186 | 235 | 189 | 195 | 195 | 251 | 236 | 88 | 125 | 163 | 174 | 192 | 174 | 51 | 179 | 179 | 179 | 179 | 305 | 288 | 246 | 186 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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