Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 5.5ft (1.7m), 5s period with WSW swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 4.5ft (1.4m), 6s period with SW swell.
- Evening surf: Evening surf (04 Sep, local time) - 5ft (1.5m), 5s period with WSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 3AM is: 1.4m 7s primary swell from a Southwest direction and 0.1m 14s secondary swell from a Southwest direction, 0.1m 14s secondary swell from a Southwest direction (forecast issued at 12:00am September 04). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 5.5ft (1.7m) | 5s |
| Afternoon (04 Sep) | 4.5ft (1.4m) | 6s |
| Evening (04 Sep) | 5ft (1.5m) | 5s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Thu night. Warm (max 20°C on Sun afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri morning, light winds from the SW by Sat morning). | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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 6 | SW 7 | SW 7 | WSW 5 | WSW 6 | SW 6 | WSW 5 | WSW 5 | W 5 | W 5 | NW 5 | W 5 | SW 6 | SW 6 | SW 4 | SW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 149 | 158 | 269 | 168 | 168 | 123 | 77 | 96 | 120 | 120 | 60 | 46 | 20 | 26 | 22 | 28 | 42 | 69 | 57 | 55 | 90 | 119 | 164 | 190 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:30AM5.02m | 3:59PM4.75m | 4:41AM4.69m | 5:21PM4.55m | 6:18AM4.51m | 7:01PM4.59m | ||||||||||||||||||
Low Tide | 9:47AM1.66m | 10:23PM1.82m | 10:59AM2.01m | 11:50PM1.99m | 12:31PM2.14m | |||||||||||||||||||
 |  |  |  |  |  | |  | |  | | | | | | | | | | | | | | | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | 7:57 | — |
mm | 5 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 15 | 15 | 17 | 17 | 16 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 13 | 15 | 17 | 20 | 18 | 17 |
Feels °C | 12 | 12 | 10 | 8 | 8 | 11 | 10 | 9 | 7 | 7 | 8 | 11 | 11 | 10 | 10 | 10 | 10 | 8 | 7 | 10 | 10 | 14 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 6 | NNW 6 | NW 4 | WNW 4 | NNW 5 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | — |
| kJ | 149 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 32 | 6 | 9 | 3 | 2 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | — |
Swell 2 Height (m) Direction Period (s) | SW 14 | — | — | — | — | SW 14 | — | SW 14 | — | — | SW 14 | SW 14 | NNW 5 | NNW 5 | SW 13 | — | — | — | SW 13 | — | — | — | — | — |
| kJ | 8 | — | — | — | — | 8 | — | 8 | — | — | 8 | 7 | 5 | 5 | 7 | — | — | — | 7 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 13 | SW 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 7 | SW 7 | WSW 5 | WSW 6 | SW 6 | WSW 5 | WSW 5 | W 5 | W 5 | NW 5 | W 5 | SW 6 | SW 6 | SW 4 | SW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 |
| kJ | — | 158 | 269 | 168 | 168 | 123 | 77 | 96 | 120 | 120 | 60 | 46 | 20 | 26 | 22 | 28 | 42 | 69 | 57 | 55 | 90 | 119 | 164 | 190 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 312 | 251 | 167 | 51 | 174 | 346 | 350 | 548 | 280 | 346 | 179 | 179 | 179 | 51 | 236 | 236 | 240 | 179 | 186 | 179 | 238 | 238 | 235 | 189 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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