Surf Forecasts:
How big are the waves at Porth Dinllaen today (05 Sep):
- Afternoon surf: Afternoon surf (05 Sep, local time) - 1.5ft (0.5m), 6s period with SW swell.
- Evening surf: Evening surf (05 Sep, local time) - 1ft (0.3m), 5s period with SW swell.
The current surf forecast for Porth Dinllaen at 10PM is: 0.1m 13s primary swell from a Southwest direction and 0.3m 5s secondary swell from a Southwest direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 06:00pm September 05). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | - | - |
| Afternoon (05 Sep) | 1.5ft (0.5m) | 6s |
| Evening (05 Sep) | 1ft (0.3m) | 5s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Warm (max 20°C on Sun afternoon, min 13°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the W by Tue morning). | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | |||||||||||||||||
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 6 | SW 6 | SW 4 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 6 | SW 12 | W 17 | SW 6 | SW 6 | WSW 6 | SW 13 | SW 5 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 16 | 15 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 106 | 6 | 6 | 58 | 30 | 41 | 215 | 73 | 154 | 105 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-on | cross | cross | cross | cross | cross-on |
High Tide | 3:20PM2.84m | 4:12AM2.74m | 4:57PM2.84m | 5:51AM2.80m | 6:22PM3.09m | ||||||||||||||
Low Tide | 10:59PM1.14m | 11:44AM1.20m | 00:32AM0.95m | 1:04PM0.98m | |||||||||||||||
 |  |  | | |  |  |  | | |  | | | | | | | |  | |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | 7:58 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:53 | — |
mm | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 |
Temp °C | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 18 | 20 | 18 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 16 | 15 |
Feels °C | 11 | 11 | 12 | 10 | 9 | 10 | 9 | 12 | 14 | 14 | 14 | 14 | 11 | 13 | 12 | 10 | 9 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 4 | WNW 4 | SW 5 | SW 6 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | W 17 | SW 6 | SW 6 | WSW 14 | NW 4 | — | — | WSW 12 |
| kJ | 4 | 1 | 4 | 2 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 58 | 30 | 41 | 4 | — | — | 56 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | — | SW 13 | W 13 | — | — | — | — | SW 16 | WSW 15 | WSW 10 | — | — | — | — |
| kJ | 7 | 7 | 7 | 7 | 7 | — | 7 | 3 | — | — | — | — | 10 | 21 | 9 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 8 | NW 4 | NW 4 | — | — | — | — | — | — | — | — | SW 12 | — | — | — | — | — | — |
| kJ | 7 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 4 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SW 6 | SW 6 | SW 6 | SW 6 | — | NW 3 | WSW 6 | SW 13 | SW 5 | SW 6 | SW 6 |
| kJ | 16 | 15 | 5 | 12 | 24 | 50 | 56 | 58 | 80 | 106 | 99 | 89 | — | 3 | 34 | 215 | 73 | 154 | 105 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 268 | 157 | 148 | 148 | 151 | 200 | 200 | 151 | 409 | 311 | 245 | 195 | 265 | 13 | 13 | 288 | 510 | 268 | 265 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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