Surf Forecasts:
How big are the waves at Llangrannog today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 4.5ft (1.4m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5.5ft (1.7m), 7s period with WSW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5ft (1.5m), 7s period with WSW swell.
The current surf forecast for Llangrannog at 5AM is: 1.0m 4s primary swell from a Southwest direction (forecast issued at 12:00am September 12). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 4.5ft (1.4m) | 6s |
| Afternoon (12 Sep) | 5.5ft (1.7m) | 7s |
| Evening (12 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Very mild (max 19°C on Sun afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the SW on Sat morning, calm by Sun morning). | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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) | WSW 8 | SW 4 | SW 5 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 4 | WSW 5 | WSW 5 | SW 5 | SW 5 | SW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 44 | 29 | 98 | 176 | 236 | 262 | 223 | 197 | 132 | 82 | 66 | 53 | 37 | 27 | 27 | 23 | 12 | 27 | 18 | 38 | 39 | 38 | 57 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:17AM4.12m | 9:33PM4.50m | 9:53AM4.14m | 10:11PM4.38m | 10:29AM4.05m | |||||||||||||||||||
Low Tide | 4:03AM-0.07m | 4:09PM0.13m | 4:35AM0.03m | 4:40PM0.20m | 5:04AM0.23m | 5:08PM0.36m | ||||||||||||||||||
 |  |  | |  | | |  |  | | |  | | | | | | | | | | |  | | |
 | — | 6:46 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — |
mm | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 15 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 19 | 17 | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 17 |
Feels °C | 10 | 8 | 10 | 11 | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 18 | 18 | 18 | 16 | 16 | 15 | 17 | 18 | 18 | 18 | 17 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | NNW 4 | — | — | — | — | — | — | — | — | — | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 7 | WSW 9 | WSW 8 | WSW 8 | W 9 | W 12 | W 12 | W 12 |
| kJ | 1 | — | — | — | — | — | — | — | — | — | 66 | 53 | 37 | 27 | 27 | 23 | 12 | 7 | 7 | 7 | 6 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | W 13 | WSW 9 | W 9 | W 9 | W 9 | — | — | — | W 12 | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 | 8 | 7 | 7 | 7 | — | — | — | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | SW 4 | SW 5 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | — | — | — | — | — | — | SW 3 | SW 7 | SW 4 | WSW 5 | WSW 5 | SW 5 | SW 5 | SW 6 |
| kJ | 44 | 29 | 98 | 176 | 236 | 262 | 223 | 197 | 132 | 82 | — | — | — | — | — | — | 2 | 27 | 18 | 38 | 39 | 38 | 57 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 167 | 176 | 184 | 198 | 373 | 373 | 198 | 184 | 74 | 70 | 68 | 68 | 57 | 69 | 57 | 62 | 57 | 62 | 184 | 184 | 184 | 184 | 184 | 178 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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