Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 2ft (0.6m), 4s period with WNW swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 1.5ft (0.5m), 4s period with NW swell.
- Evening surf: Evening surf (30 Jul, local time) - 1ft (0.3m), 2s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 2PM is: 0.5m 4s primary swell from a Northwest direction and 0.3m 5s secondary swell from a Southwest direction (forecast issued at 06:00am July 30). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 2ft (0.6m) | 4s |
| Afternoon (30 Jul) | 1.5ft (0.5m) | 4s |
| Evening (30 Jul) | 1ft (0.3m) | 2s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 13°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||||||||
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 4 | WNW 4 | NW 4 | NW 4 | W 3 | SW 2 | WSW 3 | W 3 | W 4 | W 4 | W 3 | SW 3 | SW 4 | SW 5 | SSW 5 | SW 5 | WNW 4 | SW 5 | WNW 4 | SW 5 | W 9 | SW 3 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 15 | 8 | 9 | 6 | 3 | 1 | 1 | 3 | 5 | 6 | 6 | 6 | 8 | 13 | 23 | 15 | 11 | 10 | 8 | 5 | 3 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross-on | on | cross-on | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | on |
High Tide | 11:54AM5.05m | 00:03AM5.49m | 12:26PM5.10m | 00:36AM5.52m | 12:58PM5.13m | ||||||||||||||||||
Low Tide | 5:41AM1.11m | 5:50PM1.23m | 6:14AM0.99m | 6:23PM1.15m | 6:46AM0.92m | 6:56PM1.12m | |||||||||||||||||
 |  | | | | |  | | | | | | | |  | | | | | | | | | |
 | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 14 | 13 | 13 | 14 | 15 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 |
Feels °C | 13 | 10 | 10 | 10 | 13 | 13 | 14 | 13 | 10 | 10 | 10 | 10 | 10 | 13 | 14 | 11 | 10 | 10 | 9 | 10 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SSW 4 | SW 5 | SW 5 | WNW 3 | W 3 | — | — | SW 4 | SW 5 | — | — | WNW 3 | — | SW 5 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | NW 3 | WNW 3 | — |
| kJ | 15 | 8 | 5 | 4 | 2 | 1 | — | — | 1 | 3 | — | — | 1 | — | 23 | 15 | 11 | 6 | 6 | 4 | 3 | 1 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | N 4 | N 3 | — | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | SW 5 | W 9 | — |
| kJ | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 5 | N 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 |
| kJ | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | WNW 2 | WNW 3 | WNW 4 | NW 4 | NW 4 | SW 4 | SW 2 | WSW 3 | W 3 | W 4 | W 4 | W 3 | SW 3 | SW 4 | — | WNW 3 | NW 4 | WNW 4 | WNW 4 | WNW 4 | — | SW 2 | SW 3 |
| kJ | 1 | 6 | 9 | 6 | 3 | 1 | 1 | 3 | 5 | 6 | 6 | 6 | 8 | 13 | — | 1 | 6 | 10 | 8 | 5 | — | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 514 | 514 | 514 | 358 | 548 | 292 | 250 | 246 | 285 | 288 | 292 | 635 | 210 | 307 | 187 | 187 | 380 | 368 | 368 | 368 | 251 | ||
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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