Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 0.5ft (0.2m), 7s period with SSW swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 0.5ft (0.2m), 7s period with SSW swell.
- Evening surf: Evening surf (27 Aug, local time) - 0.5ft (0.2m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 4PM is: 0.2m 7s primary swell from a South-southwest direction (forecast issued at 12:00pm August 27). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 0.5ft (0.2m) | 7s |
| Afternoon (27 Aug) | 0.5ft (0.2m) | 7s |
| Evening (27 Aug) | 0.5ft (0.2m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu afternoon. Very mild (max 17°C on Thu morning, min 15°C on Sat morning). Winds increasing (light winds from the NE on Thu afternoon, fresh winds from the SSW by Fri night). | |||||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | |||||||||||||||||||
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 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SSW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 4 | 4 | 4 | 4 | 4 | 8 | 10 | 10 | 16 | 22 | 36 | 48 | 54 | 94 | 91 | 62 | 50 | 68 | 70 | 79 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross |
High Tide | 10:57AM5.08m | 11:04PM5.51m | 11:27AM5.23m | 11:36PM5.65m | 11:57AM5.33m | ||||||||||||||||
Low Tide | 4:52PM1.28m | 5:14AM0.96m | 5:23PM1.07m | 5:44AM0.80m | 5:55PM0.94m | ||||||||||||||||
 | |  | |  | | |  |  | |  | |  |  | | | |  | | | | |
 | 6:18 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | 8:20 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:15 | — |
mm | 1 | 2 | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 2 | — | — | — |
Temp °C | 17 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 17 | 17 | 16 | 15 |
Feels °C | 14 | 13 | 18 | 18 | 17 | 15 | 15 | 14 | 17 | 17 | 17 | 16 | 15 | 13 | 12 | 13 | 13 | 15 | 15 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | NE 4 | NNE 4 | NNE 4 | SSW 7 | SSW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | — | — | S 11 | — | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 |
| kJ | 5 | 4 | 5 | 1 | 1 | 4 | 8 | 10 | 10 | 16 | 22 | 36 | — | — | 2 | — | 62 | 50 | 68 | 70 | 79 |
Swell 2 Height (m) Direction Period (s) | SW 12 | S 12 | SSW 7 | SSW 6 | SSW 6 | NNE 4 | N 3 | N 4 | N 3 | S 4 | S 11 | NNW 2 | S 11 | S 11 | — | S 11 | — | — | — | — | SW 10 |
| kJ | 6 | 3 | 4 | 4 | 4 | 2 | 1 | 1 | 1 | 2 | 3 | 1 | 2 | 2 | — | 2 | — | — | — | — | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | S 12 | — | S 12 | NE 4 | S 12 | S 12 | — | — | S 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | 3 | — | 3 | 1 | 3 | 3 | — | — | 2 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | NE 5 | — | — | — | — | — | S 4 | S 4 | — | — | — | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SE 3 | SE 4 | SW 6 | NNW 4 | NNW 5 |
| kJ | 16 | 11 | — | — | — | — | — | 6 | 8 | — | — | — | 48 | 54 | 94 | 91 | 7 | 9 | 56 | 29 | 33 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 249 | 249 | 208 | 208 | 332 | 273 | 210 | 273 | 280 | 280 | 280 | 280 | 280 | 280 | 102 | 280 | 171 | 284 | 51 | 565 | 174 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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