Surf Forecasts:
How big are the waves at Harlech today (30 Aug):
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3ft (0.9m), 4s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3ft (0.9m), 8s period with SW swell.
The current surf forecast for Harlech at 10PM is: 0.9m 8s primary swell from a Southwest direction (forecast issued at 06:00pm August 30). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| Afternoon (30 Aug) | 3ft (0.9m) | 4s |
| Evening (30 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Wed morning. Very mild (max 18°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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) | SW 4 | SW 5 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WNW 5 | W 5 | WSW 9 | WSW 9 | W 8 | SW 6 | WSW 6 | WSW 4 | WSW 4 | SW 4 | SW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 29 | 38 | 82 | 67 | 45 | 49 | 96 | 81 | 50 | 73 | 53 | 49 | 7 | 17 | 12 | 22 | 29 | 23 | 26 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:23PM4.64m | 10:41AM4.31m | 10:59PM4.59m | 11:19AM4.25m | |||||||||||||||
Low Tide | 4:59PM0.36m | 5:27AM0.28m | 5:30PM0.45m | 5:59AM0.44m | 5:59PM0.60m | ||||||||||||||
 | |  | |  |  | | |  |  |  |  | | | |  | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | 8:10 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | 3 | 2 | 2 | 1 | — | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | 1 |
Temp °C | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 16 | 17 | 17 | 16 | 16 |
Feels °C | 14 | 14 | 13 | 14 | 13 | 12 | 11 | 11 | 11 | 13 | 12 | 12 | 12 | 11 | 13 | 14 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | WSW 8 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | — | — | WSW 9 | NW 4 | NW 4 | SW 6 | — | — | — | — | — | — |
| kJ | — | 7 | 82 | 67 | 45 | 49 | 96 | — | — | 73 | 3 | 3 | 7 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WSW 8 | SW 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 2 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 5 | — | — | WSW 4 | W 4 | NW 5 | WNW 5 | W 5 | NW 5 | WSW 9 | W 8 | W 3 | WSW 6 | WSW 4 | WSW 4 | SW 4 | SW 5 | SW 5 |
| kJ | 29 | 38 | — | — | 10 | 35 | 57 | 81 | 50 | 10 | 53 | 49 | 4 | 17 | 12 | 22 | 29 | 23 | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 329 | 288 | 61 | 26 | 26 | 499 | 635 | 249 | 131 | 26 | 277 | 26 | 137 | 137 | 245 | 278 | 308 | 307 | 237 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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