Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.7m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 4.5ft (1.3m), 5s period with SSW swell.
- Evening surf: Evening surf (14 Sep, local time) - 6ft (1.9m), 6s period with SSW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 4AM is: 0.7m 4s primary swell from a South-southwest direction (forecast issued at 12:00am September 14). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 2.5ft (0.7m) | 5s |
| Afternoon (14 Sep) | 4.5ft (1.3m) | 5s |
| Evening (14 Sep) | 6ft (1.9m) | 6s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Very mild (max 17°C on Sun night, min 13°C on Tue night). Winds increasing (light winds from the S on Sun night, fresh winds from the SSW by Mon night). | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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) | 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 | WSW 5 | SW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | W 4 | W 4 | SW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 22 | 16 | 20 | 23 | 29 | 117 | 191 | 309 | 269 | 172 | 147 | 138 | 114 | 69 | 26 | 22 | 16 | 9 | 6 | 6 | 5 | 12 | 9 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross | cross | cross | cross | cross | cross | cross-on | on | on |
High Tide | 11:30PM4.39m | 11:50AM4.02m | 00:07AM4.16m | 12:24PM3.85m | 00:44AM3.84m | 1:00PM3.60m | ||||||||||||||||||
Low Tide | 6:23AM-0.01m | 6:35PM0.19m | 6:58AM0.30m | 7:12PM0.44m | 7:33AM0.66m | 7:49PM0.75m | ||||||||||||||||||
 | |  | | |  | |  | |  | |  | | | |  | | | | | | | | | |
 | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:31 | — |
mm | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 17 | 16 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 16 | 15 | 15 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 |
Feels °C | 14 | 14 | 14 | 16 | 12 | 12 | 13 | 12 | 12 | 12 | 11 | 8 | 8 | 12 | 12 | 10 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | S 12 | SW 12 | — | — | — | S 12 | — | — | — | — | SW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | NNW 6 | N 5 | NNW 5 |
| kJ | — | — | — | — | 3 | 6 | — | — | — | 3 | — | — | — | — | 26 | 22 | 16 | 9 | 6 | 6 | 5 | 31 | 14 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | SW 11 | SW 11 | SW 11 | SW 11 | — | NW 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 5 | 5 | 5 | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
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 | WSW 5 | WNW 4 | NW 4 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | W 4 | W 4 | SW 4 |
| kJ | 22 | 16 | 20 | 23 | 29 | 117 | 191 | 309 | 269 | 172 | 147 | 138 | 114 | 69 | 12 | 21 | 92 | 131 | 136 | 124 | 92 | 12 | 9 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 256 | 256 | 179 | 256 | 256 | 256 | 256 | 256 | 283 | 261 | 506 | 466 | 1199 | 541 | 44 | 167 | 187 | 173 | 173 | 181 | 282 | 277 | 261 | 256 |
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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