Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 4.5ft (1.4m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 5ft (1.6m), 6s period with SSW swell.
- Evening surf: Evening surf (06 Sep, local time) - 5ft (1.5m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 11AM is: 1.4m 6s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00am September 06). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Sep) | 4.5ft (1.4m) | 5s |
| Afternoon (06 Sep) | 5ft (1.6m) | 6s |
| Evening (06 Sep) | 5ft (1.5m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Very mild (max 19°C on Sun afternoon, min 12°C on Mon night). Winds increasing (moderate winds from the WSW on Sun night, near gales from the SW by Mon night). | |||||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||||||||
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) | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 14 | SW 13 | SW 5 | SW 6 | SW 6 | SW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | WNW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 59 | 109 | 97 | 138 | 156 | 182 | 164 | 123 | 65 | 31 | 33 | 28 | 49 | 200 | 461 | 434 | 382 | 344 | 309 | 310 | 232 | 178 | 255 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:18AM4.51m | 7:01PM4.59m | 7:54AM4.65m | 8:23PM4.91m | 9:02AM4.96m | 9:21PM5.29m | |||||||||||||||||
Low Tide | 12:31PM2.14m | 1:25AM1.84m | 1:57PM1.96m | 2:38AM1.44m | 3:00PM1.61m | ||||||||||||||||||
 |  | |  |  | |  | | |  | | | | |  | | | | | | |  |  | |
 | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 4 | — | — | — | — | 1 | — |
Temp °C | 15 | 14 | 15 | 17 | 19 | 18 | 17 | 17 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 14 | 12 | 13 | 13 | 14 | 15 | 14 | 14 |
Feels °C | 9 | 9 | 9 | 10 | 12 | 13 | 13 | 13 | 10 | 11 | 11 | 10 | 11 | 9 | 6 | 6 | 4 | 5 | 4 | 6 | 7 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 6 | SW 6 | SW 14 | NW 4 | SW 13 | — | — | — | — | — | — | NW 6 | — | — | — |
| kJ | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 65 | 31 | 33 | 4 | 27 | — | — | — | — | — | — | 7 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 16 | SW 15 | — | SW 13 | WNW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 10 | 9 | — | 28 | 1 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 12 | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SW 6 | SSW 6 | SSW 6 | WNW 3 | WNW 4 | WSW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | WNW 6 |
| kJ | 59 | 109 | 97 | 138 | 156 | 182 | 164 | 123 | 5 | 7 | 23 | 20 | 49 | 200 | 461 | 434 | 382 | 344 | 309 | 310 | 232 | 178 | 255 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 189 | 186 | 238 | 189 | 346 | 283 | 186 | 210 | 259 | 51 | 51 | 251 | 326 | 305 | 251 | 278 | 514 | 280 | 514 | 558 | 548 | 548 | 459 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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