Surf Forecasts:
How big are the waves at Harlech today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 2ft (0.6m), 9s period with WSW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3.5ft (1.0m), 5s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.0m), 6s period with SW swell.
The current surf forecast for Harlech at 1AM is: 0.6m 10s primary swell from a West-southwest direction and 0.2m 4s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 29). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 2ft (0.6m) | 9s |
| Afternoon (30 Aug) | 3.5ft (1.0m) | 5s |
| Evening (30 Aug) | 3.5ft (1.0m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sun afternoon. Very mild (max 17°C on Sun morning, min 14°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||
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 6 | SW 6 | SW 8 | WSW 10 | SW 9 | SW 9 | SW 9 | SW 8 | SW 5 | SW 6 | SW 7 | SW 8 | WSW 8 | W 5 | WNW 6 | WNW 6 | W 5 | W 9 | WSW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 5 | 10 | 21 | 60 | 67 | 79 | 36 | 82 | 50 | 72 | 65 | 65 | 99 | 56 | 130 | 94 | 55 | 101 | 48 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:48PM4.58m | 10:06AM4.27m | 10:23PM4.64m | 10:41AM4.31m | |||||||||||||||
Low Tide | 4:28PM0.35m | 4:55AM0.21m | 4:59PM0.36m | 5:27AM0.28m | 5:30PM0.45m | ||||||||||||||
 | |  | | |  |  | |  | |  |  | |  | | | | |  | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | 8:13 | — | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:07 | — |
mm | 2 | 1 | — | — | — | — | 1 | 2 | 3 | 2 | 2 | 1 | — | — | 1 | — | — | — | — |
Temp °C | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 |
Feels °C | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 14 | 12 | 13 | 13 | 14 | 11 | 10 | 9 | 9 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 8 | WSW 10 | SW 9 | SW 9 | SW 9 | — | WSW 8 | — | SW 7 | SW 8 | — | WSW 9 | WSW 9 | — | — | NW 5 | NW 4 |
| kJ | 5 | 10 | 21 | 60 | 67 | 79 | 36 | — | 14 | — | 65 | 65 | — | 53 | 48 | — | — | 16 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | — | WNW 3 | WNW 4 | WNW 3 | SW 3 | SW 3 | SW 8 | SW 5 | SW 6 | — | — | WSW 8 | W 5 | WNW 6 | WNW 6 | W 5 | W 9 | WSW 8 |
| kJ | 1 | — | 1 | 1 | 2 | 3 | 5 | 82 | 50 | 72 | — | — | 99 | 56 | 130 | 94 | 55 | 101 | 48 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 137 | 227 | 26 | 26 | 80 | 80 | 339 | 329 | 329 | 288 | 61 | 26 | 447 | 249 | 501 | 399 | 26 | 278 | 143 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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