Surf Forecasts:
How big are the waves at Porth Dinllaen today (08 Sep):
- Afternoon surf: Afternoon surf (08 Sep, local time) - 4.5ft (1.3m), 5s period with W swell.
- Evening surf: Evening surf (08 Sep, local time) - 4.5ft (1.4m), 5s period with NW swell.
The current surf forecast for Porth Dinllaen at 9PM is: 1.4m 5s primary swell from a Northwest direction and 0.6m 6s secondary swell from a West-southwest direction (forecast issued at 06:00pm September 08). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | - | - |
| Afternoon (08 Sep) | 4.5ft (1.3m) | 5s |
| Evening (08 Sep) | 4.5ft (1.4m) | 5s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu night, min 13°C on Tue night). Winds increasing (light winds from the WNW on Wed afternoon, strong winds from the SSW by Thu morning). | |||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | |||||||||||||||||
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 5 | W 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | SW 8 | SW 8 | SW 8 | SW 4 | SW 4 | WSW 7 | SSW 5 | SW 6 | SW 6 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 90 | 75 | 98 | 129 | 119 | 86 | 47 | 22 | 15 | 9 | 9 | 0 | 0 | 5 | 0 | 0 | 273 | 292 | 281 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | cross-on | on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on |
High Tide | 7:23PM3.43m | 7:56AM3.28m | 8:12PM3.77m | 8:40AM3.51m | 8:54PM4.02m | ||||||||||||||
Low Tide | 2:04PM0.66m | 2:37AM0.23m | 2:53PM0.36m | 3:23AM-0.07m | 3:36PM0.13m | ||||||||||||||
 |  |  |  | | | |  | |  |  | | | | |  | | | | |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | 7:51 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:46 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | — |
Temp °C | 15 | 16 | 14 | 13 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 18 |
Feels °C | 9 | 9 | 6 | 5 | 6 | 8 | 8 | 9 | 11 | 11 | 10 | 9 | 9 | 10 | 10 | 8 | 10 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | W 10 | WSW 6 | SW 6 | WSW 6 | SW 6 | SW 8 | SW 8 | SW 8 | WNW 4 | SW 8 | — | — | WSW 7 | — | — | — | — | SW 7 |
| kJ | — | 2 | 22 | 16 | 13 | 9 | 10 | 16 | 15 | 3 | 9 | — | — | 5 | — | — | — | — | 205 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 10 | W 9 | SW 6 | — | NNW 5 | SW 8 | WNW 3 | NNW 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 4 | 2 | 5 | — | 5 | 9 | 1 | 2 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | W 4 | — | SW 2 | SW 4 | SW 4 | SSW 4 | SSW 5 | SW 6 | SW 6 | SW 7 | SW 7 |
| kJ | 90 | 75 | 98 | 129 | 119 | 86 | 47 | 22 | 9 | — | 1 | 10 | 26 | 35 | 74 | 159 | 273 | 292 | 281 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 157 | 636 | 1038 | 587 | 510 | 510 | 142 | 142 | 142 | 154 | 13 | 268 | 154 | 157 | 307 | 241 | 342 | 307 | 318 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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