Surf Forecasts:
How big are the waves at Llangrannog today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.0m), 6s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.5m), 6s period with WSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 4s period with W swell.
The current surf forecast for Llangrannog at 11AM is: 0.9m 6s primary swell from a West direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3.5ft (1.0m) | 6s |
| Afternoon (18 Aug) | 1.5ft (0.5m) | 6s |
| Evening (18 Aug) | 2.5ft (0.7m) | 4s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Very mild (max 19°C on Tue afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the NW on Thu morning, light winds from the E by Thu night). | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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) | W 6 | W 7 | W 6 | W 6 | WSW 6 | WSW 6 | W 4 | W 6 | WSW 6 | WSW 6 | WSW 6 | W 5 | WSW 4 | WSW 5 | WSW 6 | WSW 6 | W 7 | W 7 | WSW 6 | NW 5 | NNW 6 | WSW 7 | N 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 62 | 107 | 75 | 47 | 21 | 33 | 16 | 27 | 40 | 29 | 18 | 20 | 33 | 74 | 97 | 90 | 94 | 92 | 44 | 57 | 192 | 19 | 116 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on |
High Tide | 12:16PM3.48m | 00:36AM3.50m | 12:56PM3.19m | 1:19AM3.11m | 1:42PM2.89m | ||||||||||||||||||
Low Tide | 6:47AM0.68m | 6:48PM0.83m | 7:16AM0.99m | 7:23PM1.10m | 7:50AM1.28m | 8:11PM1.37m | |||||||||||||||||
 |  |  | | | |  | |  |  | |  | | |  |  | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:32 | — |
mm | 1 | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — |
Temp °C | 18 | 17 | 16 | 18 | 19 | 18 | 15 | 15 | 14 | 14 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 16 | 17 | 17 | 15 |
Feels °C | 17 | 15 | 12 | 15 | 16 | 14 | 13 | 13 | 12 | 13 | 14 | 13 | 12 | 13 | 14 | 13 | 12 | 11 | 12 | 11 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | W 16 | W 16 | W 17 | NW 4 | NNW 4 | W 17 | NNW 4 | NNW 4 | NW 4 | NNW 4 | W 16 | W 16 | — | SW 16 | SW 16 | SW 15 | W 15 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 |
| kJ | — | 5 | 5 | 5 | 4 | 4 | 6 | 3 | 3 | 3 | 1 | 5 | 5 | — | 10 | 10 | 9 | 4 | 44 | 32 | 25 | 19 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 17 | W 17 | — | W 17 | W 17 | W 17 | W 16 | — | — | — | — | — | — | — | W 15 | W 14 | W 14 | SW 14 | WSW 9 |
| kJ | — | — | — | — | 5 | 5 | — | 6 | 6 | 6 | 5 | — | — | — | — | — | — | — | 4 | 4 | 4 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 17 | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | W 6 | W 7 | W 6 | W 6 | WSW 6 | WSW 6 | W 4 | W 6 | WSW 6 | WSW 6 | WSW 6 | W 5 | WSW 4 | WSW 5 | WSW 6 | WSW 6 | W 7 | W 7 | NW 4 | NW 5 | NNW 6 | N 7 | N 6 |
| kJ | 62 | 107 | 75 | 47 | 21 | 33 | 16 | 27 | 40 | 29 | 18 | 20 | 33 | 74 | 97 | 90 | 94 | 92 | 14 | 57 | 192 | 280 | 116 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 128 | 57 | 74 | 373 | 373 | 373 | 368 | 68 | 68 | 68 | 68 | 347 | 364 | 241 | 249 | 74 | 52 | 57 | 57 | 57 | 57 | 68 | 55 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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