Surf Forecasts:
How big are the waves at Harlech today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 1.5ft (0.4m), 3s period with NW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.8m), 4s period with NW swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.5m), 4s period with NW swell.
The current surf forecast for Harlech at 12AM is: 0.1m 13s primary swell from a West direction and 0.1m 6s secondary swell from a Southwest direction, 0.3m 3s secondary swell from a North-northwest direction (forecast issued at 06:00pm July 17). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 1.5ft (0.4m) | 3s |
| Afternoon (18 Jul) | 2.5ft (0.8m) | 4s |
| Evening (18 Jul) | 1.5ft (0.5m) | 4s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Fri afternoon, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||
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) | NW 3 | NW 4 | NNW 4 | W 13 | S 6 | S 6 | NW 3 | NW 4 | NW 4 | NW 5 | NW 4 | NW 4 | NNW 5 | NW 4 | NW 4 | NW 4 | NW 3 | NW 3 | NW 3 |
Wave Graph  | |||||||||||||||||||
 kJ | 6 | 7 | 5 | 3 | 1 | 1 | 3 | 12 | 22 | 22 | 10 | 3 | 0 | 1 | 1 | 1 | 1 | 1 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | off | glassy | glassy | on | cross-on | cross-on | cross |
High Tide | 11:10PM4.71m | 11:36AM4.04m | 11:55PM4.48m | 12:21PM3.80m | |||||||||||||||
Low Tide | 5:58PM0.33m | 6:34AM0.12m | 6:39PM0.48m | 7:17AM0.35m | 7:20PM0.69m | ||||||||||||||
 | |  | | | | | | | | |  | | | |  | | |  | |
 | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | 9:31 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 20 | 16 | 15 | 14 | 14 | 16 | 18 | 19 | 19 | 16 | 15 | 14 | 14 | 17 | 18 | 18 | 18 | 16 |
Feels °C | 18 | 17 | 13 | 12 | 12 | 13 | 14 | 16 | 17 | 16 | 14 | 13 | 12 | 13 | 16 | 17 | 16 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | S 6 | S 6 | — | — | — | — | NW 4 | NW 4 | NNW 5 | NW 4 | NW 4 | — | — | — | — |
| kJ | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 10 | 3 | 2 | 1 | 1 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 12 | W 13 | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 4 | NNW 4 | NNW 3 | N 2 | NNW 3 | NW 3 | NW 4 | NW 4 | NW 5 | NE 2 | ENE 2 | — | — | — | NW 4 | NW 3 | NW 3 | NW 3 |
| kJ | 6 | 7 | 5 | 2 | 1 | 1 | 3 | 12 | 22 | 22 | 1 | 1 | — | — | — | 1 | 1 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 631 | 362 | 298 | 377 | 299 | 299 | 299 | 299 | 299 | 299 | 206 | 221 | 264 | 299 | 299 | 299 | 299 | 281 | |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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