Surf Forecasts:
How big are the waves at Harlech today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 0.5ft (0.1m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 1.5ft (0.4m), 3s period with NW swell.
- Evening surf: Evening surf (17 Jul, local time) - 1.5ft (0.4m), 4s period with NNW swell.
The current surf forecast for Harlech at 10AM is: 0.1m 6s primary swell from a Southwest direction (forecast issued at 06:00am July 17). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 0.5ft (0.1m) | 6s |
| Afternoon (17 Jul) | 1.5ft (0.4m) | 3s |
| Evening (17 Jul) | 1.5ft (0.4m) | 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. | |||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
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 15 | SW 7 | SW 6 | W 12 | NW 4 | NW 4 | NNW 4 | W 13 | N 3 | NNW 3 | NNW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 5 | NW 5 | NW 4 | NW 4 | NW 2 | NW 3 | NNW 3 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 4 | 2 | 2 | 3 | 6 | 8 | 5 | 3 | 1 | 2 | 5 | 15 | 20 | 18 | 8 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | off | off | on | on | cross-on | cross | cross-off |
High Tide | 10:51AM4.22m | 11:10PM4.71m | 11:36AM4.04m | 11:55PM4.48m | 12:21PM3.80m | ||||||||||||||||||
Low Tide | 5:51AM-0.02m | 5:58PM0.33m | 6:34AM0.12m | 6:39PM0.48m | 7:17AM0.35m | 7:20PM0.69m | |||||||||||||||||
 |  |  | |  | | | | | | | | | | |  | | | | | | | | |
 | 5:11 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:31 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 19 | 21 | 22 | 20 | 17 | 15 | 14 | 14 | 16 | 18 | 19 | 19 | 16 | 15 | 14 | 14 | 17 | 18 | 19 | 19 | 16 |
Feels °C | 17 | 18 | 19 | 20 | 18 | 17 | 14 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 14 | 13 | 12 | 12 | 16 | 16 | 17 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | S 6 | S 6 | — | — | — | — | NW 4 | NW 4 | — | NW 5 | NW 4 | — | — | — | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 8 | 2 | — | 1 | 1 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 12 | W 12 | W 13 | W 13 | W 13 | — | — | — | — | — | — | NW 6 | NW 5 | NW 5 | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 3 | NW 4 | NW 4 | NNW 4 | NNW 3 | N 3 | NNW 3 | NNW 4 | NW 4 | NW 4 | NW 4 | NE 2 | ENE 2 | — | — | — | NW 4 | NW 2 | NW 3 | NNW 3 |
| kJ | — | — | — | 1 | 6 | 8 | 5 | 2 | 1 | 2 | 5 | 15 | 20 | 18 | 1 | 1 | — | — | — | 1 | 1 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 334 | 334 | 334 | 631 | 1574 | 979 | 302 | 341 | 341 | 362 | 299 | 365 | 299 | 299 | 299 | 299 | 282 | 264 | 299 | 350 | 317 | 299 | 281 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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