Surf Forecasts:
How big are the waves at Porth Dinllaen today (04 Aug):
- Afternoon surf: Afternoon surf (04 Aug, local time) - 1.5ft (0.4m), 8s period with SW swell.
- Evening surf: Evening surf (04 Aug, local time) - 1.5ft (0.4m), 8s period with SW swell.
The current surf forecast for Porth Dinllaen at 12AM is: 0.4m 8s primary swell from a Southwest direction (forecast issued at 06:00pm August 03). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | - | - |
| Afternoon (04 Aug) | 1.5ft (0.4m) | 8s |
| Evening (04 Aug) | 1.5ft (0.4m) | 8s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Mon afternoon. Warm (max 20°C on Mon afternoon, min 13°C on Wed night). Winds increasing (light winds from the NE on Mon afternoon, fresh winds from the W by Wed morning). | |||||||||||||||||||
Mon 3 | Tuesday 4 | Wednesday 5 | |||||||||||||||||
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 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 6 | SW 4 | SW 5 | SW 6 | SW 6 | WSW 6 | WSW 5 | W 6 | W 6 | WSW 5 | WSW 5 | WSW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 18 | 18 | 17 | 17 | 16 | 15 | 0 | 0 | 0 | 0 | 82 | 85 | 87 | 141 | 132 | 75 | 66 | 94 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 00:28AM3.68m | 12:52PM3.26m | 1:10AM3.52m | 1:37PM3.14m | |||||||||||||||
Low Tide | 7:09PM0.57m | 7:42AM0.49m | 7:49PM0.74m | 8:24AM0.67m | 8:35PM0.92m | ||||||||||||||
 |  |  |  | | | | |  | |  | |  | | | |  | | | |
 | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | 9:08 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:05 | — |
mm | — | 2 | 1 | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 20 | 15 | 17 | 18 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 16 | 15 | 14 | 14 | 15 | 17 | 17 | 16 |
Feels °C | 17 | 15 | 16 | 16 | 15 | 14 | 16 | 16 | 14 | 14 | 14 | 13 | 10 | 8 | 7 | 8 | 11 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | — | — | — | — | SW 6 | — | — | — | — | NW 5 | — | — |
| kJ | 18 | 18 | 18 | 17 | 17 | 16 | 15 | — | — | — | — | 82 | — | — | — | — | 32 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | — | — | — | S 3 | S 4 | SSW 5 | SW 6 | SW 4 | SW 5 | SW 6 | — | WSW 6 | WSW 5 | W 6 | W 6 | WSW 5 | WSW 5 | WSW 5 |
| kJ | 1 | — | — | — | 2 | 10 | 46 | 61 | 38 | 70 | 111 | — | 85 | 87 | 141 | 132 | 75 | 66 | 94 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 120 | 141 | 127 | 120 | 263 | 169 | 298 | 298 | 294 | 294 | 294 | 298 | 142 | 343 | 420 | 420 | 510 | 510 | 476 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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