Surf Forecasts:
How big are the waves at Harlech today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 6ft (1.8m), 8s period with WSW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 4ft (1.2m), 7s period with WSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 3.5ft (1.0m), 7s period with WSW swell.
The current surf forecast for Harlech at 3PM is: 1.2m 7s primary swell from a West-southwest direction (forecast issued at 12:00pm September 19). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 6ft (1.8m) | 8s |
| Afternoon (19 Sep) | 4ft (1.2m) | 7s |
| Evening (19 Sep) | 3.5ft (1.0m) | 7s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat morning. Very mild (max 17°C on Sat morning, min 11°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Sun afternoon). | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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) | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 5 | W 5 | W 5 | WNW 5 | NW 5 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 353 | 203 | 134 | 111 | 86 | 52 | 57 | 60 | 31 | 14 | 15 | 10 | 10 | 10 | 4 | 5 | 11 | 9 | 9 | 4 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | on | on | on | on | cross-on | cross-on | on | on | glassy | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross |
High Tide | 2:01PM2.86m | 2:53AM2.60m | 3:54PM2.70m | 5:10AM2.61m | 5:43PM2.89m | ||||||||||||||||
Low Tide | 8:13AM1.69m | 9:19PM1.69m | 9:58AM1.81m | 11:13PM1.68m | 11:45AM1.68m | ||||||||||||||||
 |  | | |  |  | | | | | | | | | |  | | | | |  | |
 | 6:56 | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:17 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 17 | 16 | 15 | 14 | 13 | 12 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 13 | 14 | 15 | 16 | 16 | 16 |
Feels °C | 12 | 11 | 13 | 11 | 11 | 8 | 8 | 7 | 9 | 10 | 11 | 11 | 9 | 10 | 9 | 10 | 12 | 15 | 16 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 14 | SW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 6 | SW 7 | W 7 | SW 4 | SW 4 | SW 4 |
| kJ | — | — | — | — | — | — | — | 4 | 16 | 14 | 15 | 10 | 10 | 10 | 4 | 4 | 2 | 1 | 9 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 14 | W 14 | NW 5 | NW 4 | WNW 4 | NW 4 | — | — | — | — | W 7 | W 6 | W 7 |
| kJ | — | — | — | — | — | — | — | — | 4 | 4 | 6 | 3 | 2 | 1 | — | — | — | — | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 14 | — | — | — | — | NW 4 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 5 | W 5 | W 5 | WNW 5 | NW 5 | — | — | — | — | SW 4 | SW 4 | SW 4 | SW 4 | — | — | — |
| kJ | 353 | 203 | 134 | 111 | 86 | 52 | 57 | 60 | 31 | 12 | — | — | — | — | 3 | 5 | 11 | 9 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 463 | 509 | 307 | 288 | 288 | 267 | 137 | 227 | 142 | 142 | 143 | 130 | 131 | 131 | 131 | 146 | 200 | 248 | 278 | 264 | 221 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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