Surf Forecasts:
How big are the waves at Harlech today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 0.5ft (0.1m), 7s period with S swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 0.5ft (0.1m), 12s period with W swell.
- Evening surf: Evening surf (27 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
The current surf forecast for Harlech at 5AM is: 0.1m 12s primary swell from a West direction and 0.1m 7s secondary swell from a South direction (forecast issued at 12:00am August 27). An open ocean swell of 0.3m 2s 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 (0.1m) | 7s |
| Afternoon (27 Aug) | 0.5ft (0.1m) | 12s |
| Evening (27 Aug) | 0.5ft (0.1m) | 7s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 52mm), heaviest during Fri morning. Very mild (max 19°C on Wed night, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
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) | W 12 | W 12 | W 12 | S 7 | — | W 12 | — | SW 7 | SW 3 | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 6 | SW 4 | SW 5 | SW 6 | SW 7 | SW 6 | SW 6 | SW 7 | WSW 8 | SW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3 | 3 | 3 | 1 | 0 | 3 | 0 | 2 | 2 | 5 | 6 | 12 | 7 | 4 | 25 | 34 | 51 | 82 | 75 | 51 | 43 | 67 | 76 | 70 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | glassy | glassy | cross | cross-on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | glassy | on | on |
High Tide | 8:30AM3.74m | 8:44PM4.19m | 9:01AM3.96m | 9:16PM4.43m | 9:33AM4.15m | 9:48PM4.58m | ||||||||||||||||||
Low Tide | 3:17AM0.57m | 3:23PM0.57m | 3:50AM0.36m | 3:56PM0.42m | 4:23AM0.24m | 4:28PM0.35m | ||||||||||||||||||
 |  |  |  |  | | | |  |  | | | |  |  | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:13 | — |
mm | — | 2 | — | 1 | 7 | 8 | 3 | 1 | — | 1 | 3 | 9 | 1 | 1 | — | — | 1 | — | 4 | 4 | 3 | 2 | 1 | 1 |
Temp °C | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 16 | 17 | 17 | 16 |
Feels °C | 17 | 16 | 17 | 17 | 18 | 19 | 18 | 17 | 15 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 15 | 14 | 15 | 18 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 7 | S 7 | — | — | — | W 12 | — | SW 7 | SW 7 | SW 6 | — | — | SW 4 | SW 6 | — | — | — | — | SW 7 | SW 6 | WSW 6 | SW 7 | WSW 8 | SW 8 |
| kJ | 2 | 1 | — | — | — | 3 | — | 2 | 2 | 2 | — | — | 7 | 2 | — | — | — | — | 75 | 32 | 24 | 67 | 76 | 70 |
Swell 2 Height (m) Direction Period (s) | — | — | W 12 | S 7 | — | S 6 | — | — | — | — | — | — | SW 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | 1 | — | 1 | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 2 | ESE 2 | E 2 | — | — | — | — | — | SW 3 | SW 3 | SW 4 | SW 4 | — | SW 4 | SW 6 | SW 4 | SW 5 | SW 6 | — | SW 6 | SW 6 | — | WNW 3 | WNW 5 |
| kJ | 1 | 1 | 1 | — | — | — | — | — | 1 | 5 | 6 | 12 | — | 4 | 25 | 34 | 51 | 82 | — | 51 | 43 | — | 4 | 42 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 329 | 329 | 329 | 306 | 291 | 215 | 215 | 215 | 215 | 215 | 227 | 227 | 137 | 281 | 281 | 263 | 142 | 284 | 284 | 128 | 167 | 0 | 128 | 284 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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