Surf Forecasts:
How big are the waves at Llangrannog today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.8m), 7s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 6s period with NNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.3m), 6s period with N swell.
The current surf forecast for Llangrannog at 12AM is: 1.1m 7s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 06:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.8m) | 7s |
| Afternoon (20 Aug) | 5ft (1.6m) | 6s |
| Evening (20 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu morning. Very mild (max 18°C on Wed afternoon, min 13°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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) | WSW 4 | WSW 5 | WSW 6 | W 7 | W 7 | W 7 | WSW 7 | NNW 5 | NNW 6 | N 6 | N 6 | N 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | N 5 | N 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 25 | 61 | 80 | 134 | 107 | 107 | 51 | 117 | 186 | 165 | 91 | 64 | 81 | 66 | 56 | 37 | 27 | 43 | 60 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 1:19AM3.11m | 1:42PM2.89m | 2:14AM2.75m | 2:50PM2.64m | |||||||||||||||
Low Tide | 7:23PM1.10m | 7:50AM1.28m | 8:11PM1.37m | 8:43AM1.52m | 9:30PM1.56m | ||||||||||||||
 |  |  | |  | |  |  | | |  | |  |  | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 8:35 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — |
mm | — | — | 1 | 1 | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 16 | 15 | 14 | 14 | 15 | 16 | 17 | 16 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 16 | 15 |
Feels °C | 13 | 13 | 14 | 12 | 11 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 12 | 12 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | W 16 | — | SW 16 | SW 16 | SW 15 | W 15 | WSW 7 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | SW 8 |
| kJ | 5 | — | 10 | 10 | 9 | 4 | 51 | 36 | 24 | 17 | 9 | 13 | 13 | 6 | 6 | 5 | 5 | 6 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 15 | W 14 | W 14 | SW 14 | WSW 9 | SW 14 | SW 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 |
| kJ | — | — | — | — | — | — | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 4 | 4 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | W 16 | W 16 | W 16 | W 16 | W 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | 5 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 5 | WSW 6 | W 7 | W 7 | W 7 | NW 4 | NNW 5 | NNW 6 | N 6 | N 6 | N 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | N 5 | N 5 |
| kJ | 25 | 61 | 80 | 134 | 107 | 107 | 27 | 117 | 186 | 165 | 91 | 64 | 81 | 66 | 56 | 37 | 27 | 43 | 60 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 358 | 128 | 286 | 390 | 74 | 70 | 52 | 68 | 424 | 70 | 70 | 70 | 68 | 68 | 68 | 207 | 290 | 63 | 238 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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