Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (29 Oct):
- Morning surf: Morning surf (29 Oct, local time) - 3.5ft (1.0m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (29 Oct, local time) - 4ft (1.2m), 5s period with SSW swell.
- Evening surf: Evening surf (29 Oct, local time) - 4.5ft (1.3m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 3PM is: 1.2m 5s primary swell from a South-southwest direction (forecast issued at 11:00am October 29). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Oct) | 3.5ft (1.0m) | 5s |
| Afternoon (29 Oct) | 4ft (1.2m) | 5s |
| Evening (29 Oct) | 4.5ft (1.3m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Thu afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the S on Thu morning, light winds from the WNW by Sat night). | |||||||||||||||||||||
Thu 29 | Friday 30 | Saturday 31 | |||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 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 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SW 11 | SSW 6 | SSW 6 | SW 10 | SW 10 | SW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 54 | 67 | 78 | 71 | 98 | 146 | 175 | 186 | 177 | 146 | 155 | 104 | 91 | 73 | 57 | 43 | 35 | 26 | 17 | 47 | 46 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross |
High Tide | 11:54AM5.68m | 00:23AM5.58m | 12:43PM5.50m | 1:18AM5.27m | 1:39PM5.26m | ||||||||||||||||
Low Tide | 6:09PM0.92m | 6:30AM1.21m | 7:02PM1.16m | 7:23AM1.57m | 8:03PM1.43m | ||||||||||||||||
 | |  |  |  | |  | | | | | | | | | | | | | | | |
 | 7:09 | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | 4:52 | — | — | — | — | — | — | — | 4:51 | — | — | — | — | — | — | — | 4:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 7 | 6 | 8 | 9 | 6 | 6 | 6 | 5 | 7 | 6 | 8 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 6 | SW 6 | — | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 12 | SSW 7 | SSW 7 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 |
| kJ | — | — | — | 44 | 44 | — | 8 | 7 | 7 | 7 | 16 | 15 | 91 | 73 | 21 | 19 | 19 | 18 | 17 | 47 | 46 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WSW 14 | WSW 13 | — | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 18 | 17 | — | 30 | 26 | 22 | 22 | 31 | 30 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | — | — | SSW 7 | SW 6 | SSW 6 | SSW 6 | SSW 6 | — | — |
| kJ | 54 | 67 | 78 | 71 | 98 | 146 | 175 | 186 | 177 | 146 | 155 | 104 | — | — | 57 | 43 | 35 | 26 | 17 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 84 | 186 | 186 | 186 | 186 | 186 | 125 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 125 | 51 | 51 | 51 |
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