Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 2ft (0.6m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1.5ft (0.5m), 6s period with SSW swell.
- Evening surf: Evening surf (20 Oct, local time) - 2ft (0.6m), 4s period with S swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 7AM is: 0.7m 5s primary swell from a South direction (forecast issued at 12:00am October 20). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 2ft (0.6m) | 6s |
| Afternoon (20 Oct) | 1.5ft (0.5m) | 6s |
| Evening (20 Oct) | 2ft (0.6m) | 4s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Wed afternoon. Very mild (max 13°C on Mon night, min 9°C on Tue morning). Winds increasing (light winds from the ESE on Tue morning, near gales from the NW by Wed afternoon). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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) | SSE 4 | S 5 | S 5 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | S 4 | S 5 | SSW 6 | SSW 6 | SSW 7 | NW 5 | NW 7 | NW 7 | WNW 6 | SW 8 | WSW 4 | SW 7 | SW 4 | SSW 8 | SSW 8 | SSW 8 | SSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 27 | 25 | 28 | 19 | 11 | 9 | 13 | 34 | 82 | 117 | 93 | 217 | 1019 | 467 | 196 | 39 | 35 | 25 | 46 | 42 | 112 | 44 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off |
High Tide | 6:08AM2.69m | 6:20PM3.01m | 7:05AM2.89m | 7:09PM3.23m | 7:44AM3.14m | 7:46PM3.49m | ||||||||||||||||||
Low Tide | 11:34PM1.47m | 11:56AM1.59m | 00:49AM1.28m | 1:04PM1.38m | 1:41AM0.99m | 1:53PM1.11m | ||||||||||||||||||
 |  | |  |  | | |  | | | |  | |  |  | | | | |  | | | | | |
 | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:56 | — | — | — | — | — |
 | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 6 | 4 | — | — | — | — | — | — | — | — | 5 |
Temp °C | 12 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 9 | 10 | 10 | 10 | 9 | 10 | 11 | 12 | 13 | 12 | 12 |
Feels °C | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 9 | 7 | -3 | 0 | 3 | 4 | 4 | 5 | 6 | 7 | 8 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | NE 4 | — | S 5 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | SW 5 | SW 5 | SSW 6 | SSW 6 | SSW 7 | SW 7 | SW 9 | SW 8 | SW 7 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | SSW 8 | — | SSW 4 | SSW 6 |
| kJ | 1 | — | 25 | 28 | 19 | 11 | 9 | 1 | 17 | 82 | 117 | 93 | 160 | 76 | 30 | 17 | 64 | 33 | 13 | 7 | 42 | — | 16 | 34 |
Swell 2 Height (m) Direction Period (s) | W 11 | — | — | — | W 11 | W 11 | W 8 | W 8 | — | — | SW 14 | SW 10 | — | — | SW 14 | SW 9 | SW 8 | — | SW 7 | — | NNW 5 | WNW 4 | SSW 8 | SW 8 |
| kJ | 2 | — | — | — | 2 | 2 | 1 | 1 | — | — | 8 | 38 | — | — | 8 | 12 | 39 | — | 23 | — | 2 | 1 | 44 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | S 5 | — | — | — | — | — | S 4 | S 5 | S 6 | — | — | NW 5 | NW 7 | NW 7 | WNW 6 | W 5 | WSW 4 | WSW 4 | SW 4 | SW 4 | SSW 8 | SE 3 | SE 4 |
| kJ | 18 | 27 | — | — | — | — | — | 13 | 34 | 77 | — | — | 217 | 1019 | 467 | 196 | 36 | 35 | 25 | 46 | 29 | 112 | 5 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 172 | 172 | 158 | 172 | 172 | 179 | 181 | 256 | 256 | 256 | 0 | 0 | 40 | 316 | 277 | 167 | 167 | 167 | 167 | 105 | 105 | 256 | 286 | 297 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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