Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (04 Aug):
- Morning surf: Morning surf (04 Aug, local time) - 3.5ft (1.1m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (04 Aug, local time) - 3.5ft (1.1m), 5s period with SSW swell.
- Evening surf: Evening surf (04 Aug, local time) - 4ft (1.2m), 5s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 7PM is: 1.2m 5s primary swell from a South-southwest direction (forecast issued at 12:00pm August 04). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | 3.5ft (1.1m) | 5s |
| Afternoon (04 Aug) | 3.5ft (1.1m) | 5s |
| Evening (04 Aug) | 4ft (1.2m) | 5s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the W on Wed morning, light winds from the W by Thu night). | |||||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | |||||||||||||||||||
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 5 | SW 5 | SSW 5 | WNW 4 | W 5 | W 5 | WSW 5 | W 5 | SW 7 | W 5 | WNW 5 | NW 6 | NW 5 | NW 5 | W 4 | WSW 4 | SW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 64 | 64 | 64 | 69 | 85 | 33 | 27 | 78 | 100 | 109 | 88 | 57 | 78 | 103 | 110 | 106 | 66 | 18 | 13 | 16 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | on | on | cross-on |
High Tide | 2:46PM5.01m | 3:02AM5.25m | 3:31PM4.87m | 3:52AM5.04m | 4:26PM4.70m | ||||||||||||||||
Low Tide | 8:35AM1.03m | 8:51PM1.35m | 9:20AM1.21m | 9:40PM1.55m | 10:13AM1.46m | ||||||||||||||||
 |  | |  |  | |  | | | | | |  | | | | | | | | | |
 | 5:37 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 17 | 17 | 16 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 16 |
Feels °C | 14 | 13 | 15 | 12 | 14 | 12 | 9 | 8 | 7 | 8 | 10 | 11 | 9 | 8 | 7 | 8 | 8 | 9 | 11 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | NE 4 | — | — | — | — | SSW 5 | SW 5 | — | — | — | S 13 | SW 7 | SW 13 | SW 13 | SW 6 | SW 6 | SW 6 | NNW 5 | N 5 | NNW 5 | NNW 4 |
| kJ | 1 | — | — | — | — | 33 | 27 | — | — | — | 3 | 54 | 7 | 7 | 17 | 13 | 9 | 21 | 12 | 7 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 6 | — | — | — | — | — | S 13 | — | SW 13 | S 13 | S 13 | S 13 | SW 6 | S 12 | WNW 4 | SSW 6 |
| kJ | — | — | — | — | — | 16 | — | — | — | — | — | 3 | — | 7 | 3 | 3 | 3 | 9 | 3 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | SW 12 | SW 12 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SW 5 | WNW 3 | WNW 4 | W 5 | W 5 | WSW 5 | W 5 | NW 5 | W 5 | WNW 5 | NW 6 | NW 5 | NW 5 | W 4 | WSW 4 | SW 6 | SW 3 |
| kJ | 64 | 64 | 64 | 69 | 85 | 3 | 24 | 78 | 100 | 109 | 88 | 57 | 78 | 103 | 110 | 106 | 66 | 18 | 13 | 16 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 287 | 281 | 280 | 280 | 88 | 55 | 280 | 315 | 462 | 517 | 459 | 51 | 548 | 514 | 179 | 179 | 179 | 273 | 273 | 273 | 273 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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