Surf Forecasts:
How big are the waves at Llangrannog today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 5s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 0.5ft (0.2m), 6s period with WSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 5s period with NNW swell.
The current surf forecast for Llangrannog at 1AM is: 1.0m 5s primary swell from a North direction and 0.3m 7s secondary swell from a West-southwest direction, 0.1m 14s secondary swell from a Southwest direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3ft (0.9m) | 5s |
| Afternoon (21 Aug) | 0.5ft (0.2m) | 6s |
| Evening (21 Aug) | 2.5ft (0.7m) | 5s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu afternoon. Very mild (max 17°C on Sun morning, min 13°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, light winds from the N by Fri afternoon). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | NNW 5 | NNW 6 | N 6 | N 5 | N 5 | NNW 5 | NNW 5 | NNW 5 | W 13 | NNW 5 | N 4 | N 5 | N 5 | NNW 5 | N 5 | N 5 | N 5 | N 5 | N 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 117 | 126 | 88 | 50 | 49 | 42 | 56 | 51 | 4 | 25 | 26 | 34 | 28 | 29 | 23 | 17 | 17 | 16 | 11 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:42PM2.89m | 2:14AM2.75m | 2:50PM2.64m | 3:44AM2.52m | 4:38PM2.58m | ||||||||||||||
Low Tide | 8:11PM1.37m | 8:43AM1.52m | 9:30PM1.56m | 10:16AM1.65m | |||||||||||||||
 |  |  |  |  |  |  | | | |  | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:28 | — |
mm | 1 | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 16 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 10 | 10 | 9 | 10 | 9 | 9 | 10 | 11 | 12 | 14 | 13 | 11 | 12 | 10 | 11 | 12 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | NNW 5 | SW 7 | SW 8 | W 8 | W 8 | SW 16 | SW 15 | SW 15 | W 10 | SW 15 | SW 15 |
| kJ | 23 | 16 | 9 | 9 | 13 | 5 | 5 | 4 | 37 | 2 | 2 | 1 | 1 | 10 | 9 | 9 | 2 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | W 14 | WSW 9 | WSW 9 | SW 14 | SW 14 | W 14 | W 14 | W 13 | WSW 6 | W 13 | W 13 | W 13 | W 14 | W 6 | W 10 | W 10 | SW 15 | W 10 | W 10 |
| kJ | 4 | 8 | 8 | 8 | 8 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 4 | 1 | 2 | 2 | 9 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | SW 14 | SW 14 | — | — | — | W 16 | W 16 | W 13 | W 8 | W 16 | W 16 | W 16 | W 8 | W 15 | — | W 12 | — | W 12 |
| kJ | — | 8 | 8 | — | — | — | 5 | 5 | 3 | 1 | 5 | 5 | 5 | 1 | 5 | — | 3 | — | 3 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 6 | N 6 | N 5 | N 5 | NNW 5 | NNW 5 | NNW 5 | — | NNW 5 | N 4 | N 5 | N 5 | NNW 5 | N 5 | N 5 | N 5 | N 5 | N 5 |
| kJ | 117 | 126 | 88 | 50 | 49 | 42 | 56 | 51 | — | 25 | 26 | 34 | 28 | 29 | 23 | 17 | 17 | 16 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 717 | 190 | 70 | 68 | 55 | 55 | 68 | 238 | 290 | 71 | 63 | 190 | 111 | 63 | 55 | 179 | 238 | 238 | 179 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
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