Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 0.5ft (0.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 0.5ft (0.1m), 10s period with S swell.
The current surf forecast for Trearddur Bay (Holy Island) at 3AM is: 0.1m 11s primary swell from a Southwest direction and 0.1m 5s secondary swell from a South direction (forecast issued at 12:00am July 19). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 0.5ft (0.1m) | 11s |
| Afternoon (19 Jul) | 0.5ft (0.1m) | 10s |
| Evening (19 Jul) | - | - |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sun afternoon, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
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 | 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 11 | SW 11 | S 11 | S 11 | S 11 | S 10 | N 4 | S 10 | S 10 | N 5 | N 5 | N 5 | N 5 | NNW 5 | N 5 | N 5 | N 5 | NNW 6 | N 5 | N 5 | N 4 | N 4 | N 5 | N 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 5 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:22AM5.60m | 2:52PM5.06m | 3:07AM5.33m | 3:38PM4.82m | 3:53AM5.01m | 4:26PM4.58m | ||||||||||||||||||
Low Tide | 8:41AM0.77m | 8:50PM1.23m | 9:27AM1.09m | 9:37PM1.52m | 10:16AM1.45m | |||||||||||||||||||
 | |  |  | | | |  | |  |  | | | | | | | | | | | | | | |
 | — | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 14 | 15 | 17 | 17 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 14 | 15 | 16 | 17 | 17 | 15 |
Feels °C | 12 | 11 | 11 | 11 | 12 | 14 | 14 | 12 | 11 | 12 | 10 | 11 | 11 | 10 | 12 | 13 | 12 | 13 | 12 | 13 | 13 | 14 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | S 11 | SW 11 | S 11 | S 11 | S 11 | S 10 | — | S 10 | S 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 5 | 2 | 2 | 2 | 2 | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | S 5 | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 5 | N 5 | N 5 | N 5 | NNW 4 | NNW 4 | N 4 | N 3 | N 4 | N 5 | N 5 | N 5 | N 5 | NNW 5 | N 5 | N 5 | N 5 | NNW 6 | N 5 | N 5 | N 4 | N 4 | N 5 | N 6 |
| kJ | 25 | 22 | 16 | 15 | 10 | 9 | 5 | 3 | 7 | 15 | 25 | 25 | 25 | 27 | 25 | 25 | 43 | 50 | 36 | 25 | 15 | 15 | 18 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 284 | 284 | 303 | 284 | 284 | 284 | 284 | 273 | 273 | 273 | 273 | 284 | 284 | 362 | 318 | 273 | 273 | 267 | 298 | 298 | 306 | 358 | 358 | 59 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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