Surf Forecasts:
How big are the waves at Harlech today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 2ft (0.6m), 4s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3ft (0.9m), 5s period with SW swell.
- Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.8m), 6s period with SW swell.
The current surf forecast for Harlech at 3AM is: 0.6m 5s primary swell from a Southwest direction and 0.1m 10s secondary swell from a Southwest direction (forecast issued at 12:00am June 18). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 2ft (0.6m) | 4s |
| Afternoon (18 Jun) | 3ft (0.9m) | 5s |
| Evening (18 Jun) | 2.5ft (0.8m) | 6s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Thu afternoon. Very mild (max 18°C on Fri morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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 | 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 5 | SW 5 | SW 4 | SSW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 19 | 17 | 9 | 10 | 29 | 56 | 42 | 51 | 53 | 46 | 38 | 78 | 114 | 123 | 115 | 77 | 65 | 65 | 14 | 26 | 26 | 21 | 14 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-off |
High Tide | 10:39PM4.67m | 11:07AM4.15m | 11:28PM4.53m | 11:56AM3.88m | 00:18AM4.30m | 12:48PM3.59m | ||||||||||||||||||
Low Tide | 6:08AM0.15m | 6:20PM0.53m | 6:59AM0.27m | 7:09PM0.68m | 7:50AM0.44m | 7:58PM0.85m | ||||||||||||||||||
 |  |  |  |  | | |  | | | | | | | |  | |  |  | | | | | | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:44 | — |
mm | — | — | — | — | 1 | 3 | 2 | — | — | — | — | — | — | — | 2 | 1 | — | 1 | 1 | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 16 | 15 | 15 | 15 | 14 | 15 | 16 | 17 | 17 | 15 |
Feels °C | 11 | 11 | 12 | 14 | 15 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 15 | 15 | 13 | 13 | 14 | 14 | 13 | 15 | 15 | 16 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 5 | SW 5 | SW 4 | SW 9 | SW 9 | W 9 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | — | SW 7 | — | SW 8 | SW 4 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 |
| kJ | 19 | 17 | 9 | 3 | 3 | 2 | 42 | 51 | 53 | 46 | 38 | — | — | — | — | 77 | — | 14 | 6 | 26 | 26 | 21 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 9 | SW 7 | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | SW 7 | — | — | — | — | — |
| kJ | 4 | 4 | 3 | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 2 | SSW 4 | SW 4 | SW 5 | — | — | SSE 2 | SSE 3 | S 3 | SW 6 | SW 7 | SW 7 | SW 7 | — | SW 7 | SW 7 | WSW 4 | — | — | — | — | — |
| kJ | — | — | 1 | 10 | 29 | 56 | — | — | 1 | 1 | 5 | 78 | 114 | 123 | 115 | — | 65 | 65 | 6 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 245 | 181 | 137 | 137 | 151 | 181 | 263 | 263 | 137 | 137 | 137 | 150 | 150 | 151 | 151 | 278 | 263 | 80 | 125 | 217 | 26 | 27 | 146 | 143 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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