Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (25 Jul):
- Morning surf: Morning surf (25 Jul, local time) - 2ft (0.6m), 4s period with W swell.
- Afternoon surf: Afternoon surf (25 Jul, local time) - 2.5ft (0.8m), 4s period with SW swell.
- Evening surf: Evening surf (25 Jul, local time) - 2ft (0.6m), 4s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 11AM is: 0.7m 4s primary swell from a West direction and 0.1m 12s secondary swell from a South direction, 0.1m 12s secondary swell from a South direction (forecast issued at 06:00am July 25). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Jul) | 2ft (0.6m) | 4s |
| Afternoon (25 Jul) | 2.5ft (0.8m) | 4s |
| Evening (25 Jul) | 2ft (0.6m) | 4s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Very mild (max 19°C on Mon night, min 14°C on Sun night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the WNW by Sun afternoon). | |||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||
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) | S 13 | W 4 | W 4 | WSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | WSW 4 | SW 5 | WNW 5 | WNW 6 | NW 5 | WNW 5 | WNW 5 | NW 5 | NW 5 | NW 5 | NW 4 | SW 4 | SW 4 | SW 4 | SSW 4 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3 | 6 | 17 | 22 | 26 | 18 | 11 | 16 | 40 | 29 | 69 | 105 | 76 | 69 | 64 | 74 | 60 | 47 | 16 | 25 | 23 | 18 | 12 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | on | on | cross-on | cross-on |
High Tide | 8:27AM4.33m | 8:53PM4.58m | 9:25AM4.48m | 9:42PM4.82m | 10:10AM4.66m | ||||||||||||||||||
Low Tide | 2:05AM2.17m | 2:34PM2.05m | 3:07AM1.98m | 3:25PM1.90m | 3:54AM1.74m | 4:07PM1.71m | |||||||||||||||||
 |  |  | |  | |  | | | | | | |  |  | | | | | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:25 | — | — | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:22 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 15 | 15 | 14 | 14 | 14 | 16 | 17 | 19 |
Feels °C | 13 | 13 | 12 | 10 | 14 | 15 | 14 | 14 | 12 | 11 | 10 | 10 | 10 | 12 | 12 | 10 | 11 | 10 | 11 | 9 | 11 | 14 | 18 |
Swell 1 Height (m) Direction Period (s) | — | — | S 12 | S 12 | NW 4 | NW 4 | NW 4 | S 11 | — | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 5 | NW 4 | NNW 5 | N 4 | — | — |
| kJ | — | — | 3 | 3 | 5 | 4 | 4 | 2 | — | 29 | 16 | 21 | 23 | 9 | 5 | 5 | 5 | 3 | 16 | 4 | 2 | — | — |
Swell 2 Height (m) Direction Period (s) | S 13 | — | S 12 | S 12 | S 12 | S 12 | S 11 | — | — | — | — | — | — | — | — | — | — | — | NNW 5 | WNW 4 | — | — | — |
| kJ | 3 | — | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | 5 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | W 4 | W 4 | WSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | WSW 4 | WNW 4 | WNW 5 | WNW 6 | NW 5 | WNW 5 | WNW 5 | NW 5 | NW 5 | NW 5 | SW 3 | SW 4 | SW 4 | SW 4 | SSW 4 |
| kJ | 2 | 6 | 17 | 22 | 26 | 18 | 11 | 16 | 40 | 29 | 69 | 105 | 76 | 69 | 64 | 74 | 60 | 47 | 4 | 25 | 23 | 18 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 385 | 923 | 376 | 376 | 376 | 292 | 236 | 251 | 517 | 514 | 567 | 565 | 565 | 179 | 179 | 179 | 192 | 192 | 275 | 246 | 246 | 251 | 251 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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