Surf Forecasts:
How big are the waves at Harlech today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1.5ft (0.5m), 9s period with SW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 2.5ft (0.8m), 4s period with SSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3ft (0.9m), 8s period with SW swell.
The current surf forecast for Harlech at 3PM is: 0.8m 4s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a Southwest direction (forecast issued at 12:00pm August 30). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (30 Aug) | 2.5ft (0.8m) | 4s |
| Evening (30 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun afternoon. Very mild (max 18°C on Sun morning, min 14°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||
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 9 | WSW 8 | SW 8 | SW 5 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 9 | NW 6 | WSW 9 | WSW 9 | WSW 9 | W 8 | WSW 8 | SW 3 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 36 | 28 | 24 | 34 | 82 | 65 | 45 | 48 | 101 | 71 | 73 | 71 | 44 | 35 | 36 | 6 | 13 | 27 | 45 | 36 | 36 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:06AM4.27m | 10:23PM4.64m | 10:41AM4.31m | 10:59PM4.59m | 11:19AM4.25m | ||||||||||||||||
Low Tide | 4:59PM0.36m | 5:27AM0.28m | 5:30PM0.45m | 5:59AM0.44m | 5:59PM0.60m | ||||||||||||||||
 |  | | |  | |  |  | |  | | | |  | | | |  | | | | |
 | 6:22 | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | 2 | 3 | 2 | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 17 | 18 | 17 | 16 | 15 | 15 | 14 | 15 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 17 | 17 | 16 | 16 |
Feels °C | 15 | 16 | 14 | 13 | 13 | 14 | 12 | 11 | 9 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 9 | WSW 8 | SW 8 | — | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | NW 5 | NW 4 | NW 4 | — | — | — | — | — |
| kJ | 36 | 28 | 17 | — | 82 | 65 | 45 | 48 | 101 | 71 | 73 | 71 | 44 | 5 | 3 | 1 | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | WSW 3 | — | — | — | SW 4 | — | — | — | — | — | — | — | NW 4 | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | 9 | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 4 | SSW 4 | SW 5 | — | — | WSW 4 | W 4 | NW 5 | NW 6 | WNW 5 | NW 5 | — | W 8 | WSW 8 | SW 3 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 |
| kJ | 6 | 9 | 24 | 34 | — | — | 10 | 39 | 72 | 69 | 33 | 12 | — | 35 | 36 | 6 | 13 | 27 | 45 | 36 | 36 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 339 | 329 | 329 | 163 | 61 | 26 | 512 | 632 | 501 | 249 | 131 | 26 | 26 | 26 | 207 | 143 | 245 | 308 | 308 | 337 | 255 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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