Surf Forecasts:
How big are the waves at Porth Dinllaen today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 1.5ft (0.4m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
- Evening surf: Evening surf (10 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
The current surf forecast for Porth Dinllaen at 5AM is: 0.4m 4s primary swell from a Southwest direction and 0.1m 12s secondary swell from a West direction, 0.3m 3s secondary swell from a North-northwest direction (forecast issued at 12:00am August 10). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 1.5ft (0.4m) | 5s |
| Afternoon (10 Aug) | 1ft (0.3m) | 6s |
| Evening (10 Aug) | 1ft (0.3m) | 6s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Wed afternoon, min 13°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||||
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 | 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 4 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | W 11 | W 11 | W 11 | SW 10 | W 12 | W 10 | SW 10 | SW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 9 | 7 | 8 | 7 | 8 | 5 | 5 | 6 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 3 | 2 | 2 | 4 | 3 | 2 | 4 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross-off | off | off | cross-off | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | glassy | glassy |
High Tide | 7:02AM3.13m | 7:29PM3.41m | 8:01AM3.34m | 8:22PM3.74m | 8:52AM3.53m | 9:10PM4.02m | ||||||||||||||||||
Low Tide | 1:49AM0.72m | 2:16PM0.68m | 2:49AM0.35m | 3:08PM0.40m | 3:39AM0.02m | 3:55PM0.17m | ||||||||||||||||||
 | |  | | | |  | |  | | |  | | | | | | | | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 14 | 14 | 14 | 16 | 16 | 16 | 17 | 16 | 18 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 20 | 22 | 24 | 23 | 23 |
Feels °C | 10 | 11 | 10 | 12 | 11 | 11 | 13 | 12 | 13 | 16 | 14 | 16 | 18 | 19 | 20 | 20 | 19 | 18 | 17 | 19 | 20 | 21 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 4 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | SW 6 | W 11 | SW 10 | W 10 | — | SW 10 | SW 9 |
| kJ | 9 | 7 | 8 | 7 | 8 | 5 | 5 | 6 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | — | — | 1 | 2 | 4 | 2 | — | 4 | 3 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 8 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | W 11 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 3 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | W 6 | — | W 12 | W 10 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | 1 | — | 3 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | NNW 3 | — | NW 3 | NW 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | SSW 3 | SSW 3 | SSW 3 | — | — | — |
| kJ | 2 | 2 | 2 | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 311 | 287 | 229 | 287 | 306 | 299 | 299 | 269 | 269 | 298 | 298 | 298 | 323 | 325 | 269 | 264 | 148 | 127 | 127 | 127 | 127 | 141 | 154 | 141 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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