Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 4.5ft (1.4m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 11ft (3.5m), 7s period with NW swell.
- Evening surf: Evening surf (23 Oct, local time) - 8ft (2.5m), 7s period with NW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 11AM is: 3.0m 7s primary swell from a Northwest direction and 1.3m 12s secondary swell from a Southwest direction, 0.7m 14s secondary swell from a West-southwest direction (forecast issued at 06:00am October 23). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 4.5ft (1.4m) | 12s |
| Afternoon (23 Oct) | 11ft (3.5m) | 7s |
| Evening (23 Oct) | 8ft (2.5m) | 7s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Fri morning. Very mild (max 16°C on Sat afternoon, min 9°C on Fri morning). Winds decreasing (gales from the NW on Fri morning, fresh winds from the W by Fri night). | |||||||||||||||||||||||
Friday 23 | Saturday 24 | Sunday 25 | |||||||||||||||||||||
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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 7 | SSW 8 | SW 12 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | W 5 | WSW 5 | SW 6 | SSW 8 | SW 9 | SW 10 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 37 | 90 | 522 | 1223 | 1145 | 883 | 494 | 321 | 94 | 116 | 316 | 1993 | 2722 | 2667 | 1848 | 1902 | 2005 | 1919 | 1819 | 1369 | 1008 | 733 | 506 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross | cross | cross | cross-on | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:13AM4.95m | 9:18PM5.32m | 9:46AM5.22m | 9:54PM5.57m | 10:19AM5.46m | ||||||||||||||||||
Low Tide | 2:54AM1.49m | 3:09PM1.64m | 3:30AM1.17m | 3:44PM1.31m | 4:04AM0.90m | 4:20PM1.02m | |||||||||||||||||
 | |  |  | |  | |  | | | | | | |  | | | |  |  | | | | |
 | — | 7:58 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — |
 | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 5:00 | — | — |
mm | 5 | 1 | 8 | 3 | 1 | — | — | — | — | — | 1 | 5 | 6 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 16 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
Feels °C | 3 | 6 | -4 | -5 | -4 | -3 | 0 | 2 | 4 | 5 | 2 | -1 | 5 | -2 | -3 | -4 | -4 | -4 | -4 | -3 | -1 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 8 | SW 12 | SW 12 | SW 10 | SW 10 | SW 10 | SW 10 | NNW 6 | N 6 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | N 14 |
| kJ | 37 | 82 | 522 | 264 | 87 | 51 | 25 | 35 | 68 | 24 | 6 | — | — | — | — | — | — | — | — | — | — | — | 4 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | NE 6 | WSW 14 | — | SW 14 | WSW 14 | WSW 13 | — | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 9 | 14 | 186 | — | 47 | 18 | 17 | — | 33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 16 | — | — | — | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 90 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 4 | NE 4 | NNW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | W 5 | WSW 5 | SW 6 | SSW 8 | SW 9 | SW 10 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 |
| kJ | 42 | 5 | 644 | 1223 | 1145 | 883 | 494 | 321 | 94 | 116 | 316 | 1993 | 2722 | 2667 | 1848 | 1902 | 2005 | 1919 | 1819 | 1369 | 1008 | 733 | 506 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 161 | 0 | 235 | 273 | 283 | 589 | 280 | 246 | 246 | 253 | 280 | 873 | 1075 | 1075 | 1078 | 1075 | 1078 | 1078 | 625 | 625 | 548 | 280 | 319 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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