Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 7ft (2.2m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 6.5ft (2.0m), 7s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5.5ft (1.7m), 7s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 2AM is: 1.2m 4s primary swell from a South-southwest direction (forecast issued at 06:00pm September 11). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 7ft (2.2m) | 6s |
| Afternoon (12 Sep) | 6.5ft (2.0m) | 7s |
| Evening (12 Sep) | 5.5ft (1.7m) | 7s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sat morning. Very mild (max 17°C on Sat afternoon, min 14°C on Fri night). Winds increasing (light winds from the S on Fri afternoon, strong winds from the SSW by Sat morning). | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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 | SSW 6 | SSW 6 | SSW 4 | SSW 5 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 19 | 15 | 25 | 29 | 128 | 325 | 434 | 381 | 363 | 261 | 178 | 123 | 80 | 51 | 39 | 26 | 18 | 14 | 13 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on |
High Tide | 10:17PM4.51m | 10:42AM4.11m | 10:54PM4.52m | 11:16AM4.11m | |||||||||||||||
Low Tide | 4:43PM-0.03m | 5:10AM-0.34m | 5:22PM-0.06m | 5:48AM-0.24m | 5:59PM0.01m | ||||||||||||||
 | |  | |  |  | |  |  |  |  |  | | | | | | | | |
 | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | 7:44 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:38 | — |
mm | — | — | — | — | — | 1 | 2 | 6 | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 15 | 14 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 12 | 13 | 12 | 10 | 7 | 8 | 10 | 11 | 12 | 15 | 16 | 17 | 14 | 12 | 12 | 14 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SSW 6 | N 4 | — | — | — | — | — | — | — | SW 7 | SW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | N 3 |
| kJ | 19 | 15 | 1 | — | — | — | — | — | — | — | 178 | 123 | 80 | 51 | 39 | 26 | 18 | 14 | 1 |
Swell 2 Height (m) Direction Period (s) | WNW 4 | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | N 4 | N 4 | N 4 | S 13 |
| kJ | 5 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 3 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | N 4 | WNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | SW 13 |
| kJ | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 6 | SSW 4 | SSW 5 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | — | — | — | N 3 | NNW 4 | — | — | — | SSW 6 |
| kJ | — | — | 25 | 29 | 128 | 325 | 434 | 381 | 363 | 261 | — | — | — | 3 | 4 | — | — | — | 13 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 181 | 185 | 269 | 293 | 284 | 261 | 381 | 308 | 244 | 96 | 244 | 44 | 0 | 45 | 150 | 150 | 173 | 150 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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Recent Eyeball Surf Reports for Wales - Anglesy
‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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