Surf Forecasts:
How big are the waves at Porth Dinllaen today (12 Aug):
- Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.1m), 10s period with W swell.
- Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.1m), 10s period with SW swell.
The current surf forecast for Porth Dinllaen at 9PM is: 0.1m 10s primary swell from a Southwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 06:00pm August 12). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | - | - |
| Afternoon (12 Aug) | 0.5ft (0.1m) | 10s |
| Evening (12 Aug) | 0.5ft (0.1m) | 10s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 27°C on Wed afternoon, min 14°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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 10 | SW 10 | SW 9 | W 11 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 10 | SW 4 | SW 4 | SW 5 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | WSW 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 4 | 3 | 3 | 8 | 7 | 6 | 6 | 5 | 9 | 5 | 20 | 17 | 10 | 9 | 7 | 3 | 3 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:10PM4.02m | 9:37AM3.66m | 9:54PM4.20m | 10:20AM3.72m | |||||||||||||||
Low Tide | 3:55PM0.17m | 4:25AM-0.22m | 4:37PM0.02m | 5:08AM-0.31m | 5:18PM-0.02m | ||||||||||||||
 | |  | | |  | | | | | | |  | |  |  | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 27 | 25 | 26 | 24 | 21 | 21 | 21 | 21 | 22 | 21 | 19 | 17 | 17 | 18 | 17 | 16 | 17 | 18 | 16 |
Feels °C | 25 | 23 | 25 | 22 | 20 | 20 | 21 | 20 | 22 | 20 | 19 | 16 | 17 | 19 | 17 | 15 | 15 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 3 | SW 10 | SW 9 | SW 6 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | SW 7 | SW 8 | SW 5 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | WSW 4 |
| kJ | 1 | 4 | 3 | 1 | 8 | 7 | 6 | 6 | 5 | 5 | 2 | 2 | 17 | 10 | 9 | 7 | 3 | 3 | 2 |
Swell 2 Height (m) Direction Period (s) | SW 6 | — | SW 6 | SW 9 | SW 6 | — | — | — | SW 10 | WSW 10 | W 11 | SW 9 | — | — | — | SW 8 | SW 8 | SW 7 | — |
| kJ | 1 | — | 1 | 3 | 1 | — | — | — | 4 | 9 | 2 | 3 | — | — | — | 2 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | W 10 | SW 6 | — | W 11 | — | — | — | — | — | — | SW 10 | SW 6 | W 9 | — | — | — | — | — | SW 7 |
| kJ | 2 | 1 | — | 2 | — | — | — | — | — | — | 4 | 2 | 2 | — | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 2 | — | — | — | SW 2 | SW 4 | SW 4 | — | — | — | NW 4 | NW 4 | NW 4 | — |
| kJ | — | — | — | — | — | 1 | — | — | — | 1 | 5 | 20 | — | — | — | 2 | 2 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 127 | 120 | 120 | 120 | 120 | 120 | 141 | 287 | 287 | 268 | 154 | 141 | 154 | 154 | 154 | 268 | 332 | 154 | 154 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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