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), 7s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 7ft (2.1m), 7s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5ft (1.6m), 7s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 5AM is: 1.9m 6s primary swell from a South-southwest direction (forecast issued at 12:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 7ft (2.2m) | 7s |
| Afternoon (12 Sep) | 7ft (2.1m) | 7s |
| Evening (12 Sep) | 5ft (1.6m) | 7s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Sat morning. Very mild (max 18°C on Sat night, min 14°C on Fri night). Winds decreasing (strong winds from the SSW on Fri night, 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) | SW 5 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 3 | SSW 4 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 49 | 164 | 364 | 471 | 447 | 363 | 237 | 158 | 97 | 61 | 40 | 26 | 18 | 18 | 14 | 14 | 9 | 14 | 37 | 60 | 72 | 99 | 202 | 260 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-off | off | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:17PM4.51m | 10:42AM4.11m | 10:54PM4.52m | 11:16AM4.11m | 11:30PM4.39m | 11:50AM4.02m | ||||||||||||||||||
Low Tide | 5:10AM-0.34m | 5:22PM-0.06m | 5:48AM-0.24m | 5:59PM0.01m | 6:23AM-0.01m | 6:35PM0.19m | ||||||||||||||||||
 |  |  |  |  |  | | | | | |  | | | | | | | | | | |  | | |
 | — | 6:45 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — |
mm | — | — | — | 2 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 1 | — |
Temp °C | 14 | 14 | 16 | 16 | 16 | 17 | 17 | 18 | 17 | 16 | 15 | 15 | 17 | 16 | 17 | 16 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 18 |
Feels °C | 9 | 7 | 9 | 10 | 11 | 13 | 14 | 17 | 16 | 16 | 14 | 15 | 17 | 15 | 16 | 15 | 14 | 15 | 17 | 14 | 13 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 7 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | SSW 6 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 158 | 97 | 61 | 40 | 26 | 18 | 18 | 14 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | N 3 | N 3 | N 3 | S 13 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 3 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | SW 13 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SSW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WNW 4 | WNW 3 | NNW 3 | N 3 | — | — | — | SSW 6 | SSW 3 | SSW 4 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 |
| kJ | 49 | 164 | 364 | 471 | 447 | 363 | 237 | 144 | 1 | 1 | 1 | 2 | — | — | — | 14 | 9 | 14 | 37 | 60 | 72 | 99 | 202 | 260 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 262 | 293 | 287 | 261 | 381 | 373 | 287 | 261 | 44 | 0 | 45 | 181 | 173 | 181 | 173 | 179 | 173 | 179 | 256 | 256 | 256 | 256 | 256 | 294 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
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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