Surf Forecasts:
How big are the waves at Harlech today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 2.5ft (0.7m), 4s period with WSW swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 3ft (0.9m), 4s period with SW swell.
- Evening surf: Evening surf (01 Sep, local time) - 2.5ft (0.8m), 5s period with SW swell.
The current surf forecast for Harlech at 2AM is: 0.4m 8s primary swell from a Southwest direction and 0.2m 4s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 31). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 2.5ft (0.7m) | 4s |
| Afternoon (01 Sep) | 3ft (0.9m) | 4s |
| Evening (01 Sep) | 2.5ft (0.8m) | 5s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Very mild (max 19°C on Thu morning, min 14°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||
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) | WSW 9 | WSW 9 | WSW 9 | WSW 8 | SW 6 | SW 6 | WSW 4 | SW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | WSW 5 | SW 5 | SW 4 | SSW 5 | SW 6 | SW 6 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 75 | 73 | 45 | 27 | 9 | 9 | 12 | 26 | 28 | 22 | 25 | 28 | 19 | 17 | 15 | 48 | 72 | 116 | 163 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on |
High Tide | 10:59PM4.59m | 11:19AM4.25m | 11:38PM4.41m | 11:59AM4.08m | |||||||||||||||
Low Tide | 5:30PM0.45m | 5:59AM0.44m | 5:59PM0.60m | 6:30AM0.67m | 6:29PM0.81m | ||||||||||||||
 | |  |  | |  | |  |  | |  |  | | | | | | |  | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — |
Temp °C | 16 | 16 | 16 | 14 | 14 | 14 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 18 | 17 | 17 |
Feels °C | 12 | 14 | 14 | 12 | 12 | 11 | 12 | 13 | 14 | 14 | 14 | 15 | 13 | 13 | 13 | 13 | 16 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | — | NW 4 | — | — | — | — | — | — | — | W 16 | W 16 | — | — | — |
| kJ | 75 | 73 | 45 | 27 | 6 | — | 1 | — | — | — | — | — | — | — | 5 | 5 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | NW 5 | NW 4 | — | NW 4 | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 11 | 3 | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 5 | NW 5 | — | WNW 4 | SW 6 | SW 6 | WSW 4 | SW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | WSW 5 | SW 5 | SW 4 | SSW 5 | SW 6 | SW 6 | SW 7 |
| kJ | 17 | 5 | — | 1 | 9 | 9 | 12 | 26 | 28 | 22 | 25 | 28 | 19 | 17 | 15 | 48 | 72 | 116 | 163 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 26 | 26 | 26 | 26 | 137 | 137 | 245 | 308 | 278 | 255 | 255 | 237 | 237 | 305 | 316 | 308 | 336 | 263 | 263 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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