Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (13 Sep):
- Afternoon surf: Afternoon surf (13 Sep, local time) - 1.5ft (0.5m), 6s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 6s period with SSW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 10PM is: 0.4m 6s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a South direction (forecast issued at 06:00pm September 13). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | - | - |
| Afternoon (13 Sep) | 1.5ft (0.5m) | 6s |
| Evening (13 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 17°C on Sun afternoon, min 13°C on Tue night). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the SSW by Mon night). | |||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||
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 6 | SSW 4 | SSW 5 | SSW 5 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | WSW 5 | W 5 | W 5 | WSW 5 | NW 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 14 | 13 | 22 | 16 | 22 | 24 | 29 | 95 | 191 | 309 | 239 | 167 | 135 | 109 | 106 | 61 | 30 | 29 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 11:30PM4.39m | 11:50AM4.02m | 00:07AM4.16m | 12:24PM3.85m | |||||||||||||||
Low Tide | 5:59PM0.01m | 6:23AM-0.01m | 6:35PM0.19m | 6:58AM0.30m | 7:12PM0.44m | ||||||||||||||
 | |  | | | |  | |  | |  | |  | | | | | |  | |
 | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 15 | 14 | 14 | 15 | 17 | 15 |
Feels °C | 17 | 16 | 17 | 14 | 14 | 14 | 16 | 12 | 11 | 12 | 12 | 12 | 13 | 11 | 8 | 8 | 11 | 14 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SSW 6 | SSW 6 | — | — | — | — | — | SW 12 | — | — | — | S 12 | — | — | — | — | — | SW 6 |
| kJ | 18 | 14 | 13 | — | — | — | — | — | 6 | — | — | — | 3 | — | — | — | — | — | 23 |
Swell 2 Height (m) Direction Period (s) | — | — | S 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | S 11 |
| kJ | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | S 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 6 | SSW 4 | SSW 5 | SSW 5 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | WSW 5 | W 5 | W 5 | WSW 5 | NW 4 |
| kJ | — | — | — | 22 | 16 | 22 | 24 | 29 | 95 | 191 | 309 | 239 | 167 | 135 | 109 | 106 | 61 | 30 | 29 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 256 | 256 | 256 | 256 | 256 | 179 | 256 | 256 | 256 | 256 | 256 | 283 | 261 | 506 | 541 | 597 | 541 | 506 | 173 |
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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