Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (26 Sep):
- Morning surf: Morning surf (26 Sep, local time) - 3.5ft (1.1m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (26 Sep, local time) - 4.5ft (1.3m), 5s period with SW swell.
- Evening surf: Evening surf (26 Sep, local time) - 4.5ft (1.4m), 6s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 9AM is: 1.1m 5s primary swell from a Southwest direction (forecast issued at 12:00am September 26). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Sep) | 3.5ft (1.1m) | 5s |
| Afternoon (26 Sep) | 4.5ft (1.3m) | 5s |
| Evening (26 Sep) | 4.5ft (1.4m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Very mild (max 16°C on Sun afternoon, min 12°C on Sun morning). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the SSE by Mon morning). | ||||||||||||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | SSW 6 | SSW 5 | SSW 6 | S 6 | S 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SSW 6 | SSW 6 | SW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 34 | 45 | 60 | 65 | 74 | 76 | 110 | 128 | 114 | 111 | 114 | 144 | 261 | 437 | 208 | 111 | 81 | 64 | 41 | 30 | 21 | 16 | 16 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off |
High Tide | 10:31PM5.59m | 10:54AM5.39m | 11:03PM5.76m | 11:25AM5.54m | 11:36PM5.87m | 11:57AM5.63m | ||||||||||||||||||
Low Tide | 4:40AM0.87m | 4:52PM0.99m | 5:12AM0.69m | 5:26PM0.82m | 5:46AM0.60m | 6:01PM0.74m | ||||||||||||||||||
 | | |  | | | |  | |  | |  | |  |  | | | | | | | | | | |
 | — | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 3 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 12 | 14 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
Feels °C | 10 | 9 | 9 | 9 | 10 | 9 | 9 | 10 | 9 | 9 | 8 | 5 | 6 | 11 | 8 | 9 | 9 | 10 | 11 | 12 | 10 | 11 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 12 | SW 12 | — | SW 14 | SW 14 | SW 14 | — | S 14 | S 13 | — | — | — | — | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SSW 6 | SSW 6 | SW 6 |
| kJ | 8 | 6 | 6 | — | 8 | 8 | 8 | — | 4 | 4 | — | — | — | — | 208 | 111 | 81 | 64 | 41 | 30 | 21 | 16 | 16 | 10 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | SW 13 | SW 13 | SW 13 | WNW 4 | WNW 4 | WNW 3 | — | — | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 | 7 | 6 | 3 | 1 | 1 | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 13 | NNW 4 | NNW 4 | N 4 | — | S 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 3 | 2 | 1 | — | 3 | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | SSW 6 | SSW 5 | SSW 6 | S 6 | S 6 | SSW 7 | WNW 4 | WNW 4 | WNW 4 | NW 4 | — | — | — | — | — | — |
| kJ | 34 | 45 | 60 | 65 | 74 | 76 | 110 | 128 | 114 | 111 | 114 | 144 | 261 | 437 | 33 | 21 | 20 | 14 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 174 | 179 | 179 | 234 | 290 | 255 | 194 | 186 | 186 | 186 | 186 | 206 | 309 | 250 | 101 | 179 | 179 | 51 | 51 | 155 | 161 | 161 | 161 | 189 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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