Surf Forecasts:
How big are the waves at Porth Dinllaen today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 1.5ft (0.4m), 3s period with NNW swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 1.5ft (0.4m), 3s period with NNW swell.
- Evening surf: Evening surf (15 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
The current surf forecast for Porth Dinllaen at 2PM is: 0.4m 3s primary swell from a North-northwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 06:00am August 15). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 1.5ft (0.4m) | 3s |
| Afternoon (15 Aug) | 1.5ft (0.4m) | 3s |
| Evening (15 Aug) | 0.5ft (0.1m) | 7s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Mon night. Very mild (max 18°C on Mon night, min 14°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||||||||
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) | W 10 | W 10 | NNW 3 | NNW 3 | NW 3 | NW 3 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 5 | SW 5 | SW 4 | W 7 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 3 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2 | 2 | 3 | 3 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 5 | 3 | 2 | 6 | 6 | 4 | 4 | 0 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | cross-on | cross-on | glassy | cross | cross-off | cross-off | cross-off | cross-off | glassy | on | on | on | cross | cross-off | cross-off |
High Tide | 11:00AM3.69m | 11:17PM4.16m | 11:40AM3.59m | 11:57PM3.95m | 12:19PM3.43m | ||||||||||||||||||
Low Tide | 5:57PM0.05m | 6:28AM-0.08m | 6:35PM0.22m | 7:05AM0.20m | 7:12PM0.46m | ||||||||||||||||||
 |  | | |  | |  | | | | |  | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 14 | 14 | 14 | 16 | 16 | 14 | 14 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 17 | 15 | 14 | 15 | 15 | 16 | 16 |
Feels °C | 13 | 11 | 10 | 9 | 8 | 12 | 13 | 11 | 12 | 14 | 15 | 13 | 14 | 13 | 14 | 15 | 18 | 13 | 13 | 15 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | — | SW 7 | SW 7 | SW 7 | SW 7 | — | SW 5 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | — | 2 | 2 | 2 | 2 | — | 1 | 1 | 1 | 3 | 3 | 2 | 6 | 6 | 4 | 4 | — |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | — | — | — | SW 7 | — | — | — | — | — | — | — | W 7 | W 7 | W 7 | SW 6 | — | — | NW 4 | WNW 3 | — |
| kJ | 2 | 2 | 2 | — | — | — | 2 | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | N 3 | NNW 3 | NNW 3 | NW 3 | NW 3 | N 3 | N 3 | — | — | — | WSW 5 | — | — | SW 3 | SW 4 | — | NW 3 | NW 4 | NW 4 | — | — | SSW 3 |
| kJ | — | 1 | 3 | 3 | 5 | 2 | 1 | 1 | — | — | — | 2 | — | — | 2 | 5 | — | 2 | 3 | 3 | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 312 | 311 | 317 | 343 | 755 | 311 | 287 | 287 | 198 | 282 | 282 | 285 | 299 | 320 | 285 | 285 | 282 | 287 | 287 | 298 | 299 | 320 | 325 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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