Surf Forecasts:
How big are the waves at Harlech today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 4.5ft (1.3m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 5ft (1.5m), 11s period with SW swell.
- Evening surf: Evening surf (30 Sep, local time) - 4ft (1.2m), 11s period with SW swell.
The current surf forecast for Harlech at 3AM is: 1.6m 10s primary swell from a Southwest direction and 0.8m 9s secondary swell from a Southwest direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 4.5ft (1.3m) | 11s |
| Afternoon (30 Sep) | 5ft (1.5m) | 11s |
| Evening (30 Sep) | 4ft (1.2m) | 11s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Tue night. Warm (max 23°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the SE on Tue afternoon, light winds from the SSW by Wed night). | |||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||
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 6 | W 8 | SW 8 | SW 9 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | WSW 10 | SW 10 | SW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 1 | 10 | 125 | 570 | 389 | 429 | 568 | 553 | 505 | 341 | 242 | 268 | 268 | 167 | 200 | 192 | 200 | 47 |
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-on | cross-off | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 10:36PM4.67m | 10:56AM4.46m | 11:18PM4.43m | 11:38AM4.24m | |||||||||||||||
Low Tide | 5:05PM0.35m | 5:29AM0.44m | 5:41PM0.52m | 6:06AM0.72m | 6:26PM0.76m | ||||||||||||||
 |  | |  |  |  |  | |  | | | | | |  | | |  |  | |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | 6:59 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | 2 | 6 | 3 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | — | — | — |
Temp °C | 23 | 21 | 20 | 19 | 15 | 14 | 16 | 16 | 16 | 15 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 14 | 13 |
Feels °C | 17 | 16 | 16 | 14 | 12 | 11 | 11 | 10 | 10 | 11 | 9 | 10 | 10 | 9 | 11 | 12 | 11 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 6 | W 8 | SW 8 | SW 9 | ESE 4 | SW 11 | WSW 11 | — | — | — | SW 11 | WSW 11 | SW 11 | SW 11 | WSW 11 | WSW 11 | — | WSW 10 | WSW 10 |
| kJ | 2 | 1 | 10 | 125 | 1 | 389 | 109 | — | — | — | 341 | 242 | 268 | 268 | 167 | 200 | — | 60 | 38 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SSE 4 | S 4 | SSE 4 | SW 10 | SW 5 | SW 11 | SW 11 | SW 11 | SW 11 | — | — | — | — | — | — | WSW 10 | SW 10 | SW 5 |
| kJ | 40 | 47 | 36 | 24 | 570 | 20 | 429 | 568 | 553 | 505 | — | — | — | — | — | — | 192 | 200 | 47 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 896 | 463 | 463 | 943 | 397 | 61 | 299 | 284 | 285 | 263 | 43 | 43 | 43 | 43 | 61 | 249 | 263 | 207 | 61 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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