Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (31 Oct):
- Morning surf: Morning surf (31 Oct, local time) - 1.5ft (0.4m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (31 Oct, local time) - 1ft (0.3m), 10s period with SW swell.
- Evening surf: Evening surf (31 Oct, local time) - 1.5ft (0.5m), 10s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 8AM is: 0.6m 6s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a Southwest direction (forecast issued at 11:00pm October 30). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Oct) | 1.5ft (0.4m) | 11s |
| Afternoon (31 Oct) | 1ft (0.3m) | 10s |
| Evening (31 Oct) | 1.5ft (0.5m) | 10s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Fri night, min 9°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Saturday 31 | Sunday 1 | ||||||||||||||||
9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  | |  |  |  |  |  | ||||||||||
Wave Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 8 | SSW 8 |
Wave Graph  | |||||||||||||||||
 kJ | 81 | 59 | 40 | 38 | 30 | 23 | 17 | 47 | 46 | 45 | 27 | 16 | 9 | 9 | 9 | 6 | 6 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross | cross-on | on | on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 11:59PM3.67m | 12:19PM3.75m | 1:02AM3.32m | 1:26PM3.51m | |||||||||||||
Low Tide | 6:38PM0.32m | 7:02AM0.72m | 7:38PM0.55m | 8:02AM0.99m | 8:48PM0.73m | ||||||||||||
 | |  | |  |  | |  | | | | | | | | | | |
 | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — |
 | — | — | — | — | — | — | 4:49 | — | — | — | — | — | — | — | 4:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 10 | 10 | 11 |
Feels °C | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 8 | 6 | 6 | 7 | 6 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 8 | N 5 |
| kJ | 81 | 59 | 40 | 38 | 23 | 18 | 17 | 47 | 46 | 45 | 27 | 16 | 9 | 9 | 9 | 6 | 22 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | SW 12 | SW 11 | SW 11 | SW 11 | — | — | — | — | — | — | SW 9 | SW 9 | SW 9 | — | — | SSW 8 |
| kJ | 14 | 21 | 19 | 19 | 30 | — | — | — | — | — | — | 3 | 3 | 3 | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 3 | — | — | — | SSW 6 | SSW 6 | — | — | — | N 3 | N 4 | N 5 | N 6 | N 6 | N 5 | — |
| kJ | — | 1 | — | — | — | 23 | 17 | — | — | — | 4 | 33 | 95 | 106 | 62 | 33 | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 49 | 49 | 49 | 49 | 73 | 118 | 44 | 44 | 44 | 44 | 45 | 172 | 172 | 172 | 172 | 172 | 178 |
Best forecast wave conditions in Anglesy | |||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||
Header Global | |||||||||||||||||
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