Surf Forecasts:
How big are the waves at Porth Dinllaen today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 0.5ft (0.1m), 12s period with W swell.
- Evening surf: Evening surf (27 Aug, local time) - 0.5ft (0.1m), 12s period with W swell.
The current surf forecast for Porth Dinllaen at 4PM is: 0.1m 12s primary swell from a West direction and 0.1m 6s secondary swell from a South direction (forecast issued at 12:00pm August 27). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 0.5ft (0.1m) | 7s |
| Afternoon (27 Aug) | 0.5ft (0.1m) | 12s |
| Evening (27 Aug) | 0.5ft (0.1m) | 12s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Thu afternoon. Very mild (max 18°C on Thu morning, min 15°C on Sat morning). Winds increasing (calm on Thu afternoon, fresh winds from the SE by Sat morning). | |||||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | |||||||||||||||||||
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 7 | W 12 | W 12 | W 12 | W 12 | SSW 7 | SSW 3 | SSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 3 | 3 | 3 | 3 | 4 | 0 | 4 | 6 | 6 | 18 | 26 | 27 | 59 | 0 | 80 | 56 | 52 | 56 | 55 | 54 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-on | cross-on | cross-on |
High Tide | 9:06AM3.24m | 9:19PM3.67m | 9:35AM3.40m | 9:48PM3.85m | 10:05AM3.53m | ||||||||||||||||
Low Tide | 3:49PM0.43m | 4:16AM0.21m | 4:23PM0.28m | 4:49AM0.08m | 4:56PM0.20m | ||||||||||||||||
 | |  | |  |  |  | |  | | |  |  |  | | | | |  | | | |
 | 6:18 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | 8:19 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — |
mm | 1 | 3 | 7 | 3 | 1 | — | — | 1 | — | 1 | — | — | — | 1 | — | 4 | 5 | — | — | — | — |
Temp °C | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 16 | 15 | 17 | 17 | 16 | 15 |
Feels °C | 17 | 17 | 18 | 19 | 17 | 15 | 15 | 14 | 17 | 18 | 17 | 17 | 16 | 12 | 15 | 12 | 10 | 15 | 15 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | — | — | SW 7 | SSW 7 | — | SSW 6 | SW 6 | SSW 4 | SW 6 | SW 6 | SW 6 | — | — | SW 6 | SW 6 | SSW 6 | — | SW 7 | SW 7 |
| kJ | 2 | 2 | — | — | 2 | 4 | — | 4 | 6 | 6 | 18 | 26 | 27 | — | — | 80 | 56 | 52 | — | 55 | 54 |
Swell 2 Height (m) Direction Period (s) | — | W 12 | S 6 | SW 6 | W 12 | — | — | — | — | SW 6 | — | — | — | — | — | — | — | — | — | — | SW 10 |
| kJ | — | 3 | 1 | 2 | 3 | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 3 | SSW 3 | S 4 | SSW 4 | — | — | — | SSW 2 | SW 6 | SW 5 | — | SE 3 | SE 3 | SW 6 | NW 4 | NW 5 |
| kJ | — | — | — | — | — | 1 | 6 | 9 | 9 | — | — | — | 1 | 59 | 69 | — | 9 | 6 | 56 | 4 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 287 | 287 | 193 | 193 | 295 | 277 | 195 | 294 | 298 | 298 | 298 | 298 | 268 | 298 | 99 | 298 | 135 | 308 | 13 | 603 | 136 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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