Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 4ft (1.2m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 7.5ft (2.3m), 6s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 7ft (2.2m), 7s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 6AM is: 1.3m 5s primary swell from a West direction (forecast issued at 12:00am September 18). An open ocean swell of 0.1m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 4ft (1.2m) | 5s |
| Afternoon (18 Sep) | 7.5ft (2.3m) | 6s |
| Evening (18 Sep) | 7ft (2.2m) | 7s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Fri afternoon. Very mild (max 16°C on Fri afternoon, min 12°C on Sun morning). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the WSW by Sun afternoon). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | W 5 | W 5 | W 5 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 4 | W 5 | W 5 | WNW 5 | NW 5 | NW 5 | NW 5 | SSW 6 | SSW 3 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 146 | 104 | 90 | 71 | 195 | 696 | 606 | 507 | 612 | 645 | 472 | 318 | 228 | 149 | 118 | 50 | 75 | 100 | 69 | 49 | 28 | 18 | 13 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:09AM3.11m | 2:30PM3.01m | 3:16AM2.79m | 3:54PM2.78m | 5:10AM2.63m | 5:52PM2.79m | ||||||||||||||||||
Low Tide | 8:52AM1.36m | 9:24PM1.38m | 9:52AM1.62m | 10:46PM1.58m | 11:27AM1.71m | |||||||||||||||||||
 |  |  | | |  | | | | | |  | | | |  | | |  | | | | | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — |
mm | — | — | — | — | — | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 15 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 13 |
Feels °C | 7 | 8 | 9 | 8 | 7 | 6 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 10 | 8 | 8 | 8 | 8 | 9 | 10 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | N 15 | N 15 | N 15 | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 6 | NW 5 | NNW 5 | NNW 5 |
| kJ | 4 | 4 | 4 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 29 | 30 | 18 | 15 | 5 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | S 14 | S 14 | S 14 | S 14 | WNW 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 4 | 4 | 4 | 4 | 3 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 8 | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | W 5 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 4 | W 5 | W 5 | WNW 5 | NW 5 | NW 5 | SW 6 | SSW 6 | SSW 3 |
| kJ | 146 | 104 | 90 | 71 | 195 | 696 | 606 | 507 | 612 | 645 | 472 | 318 | 228 | 149 | 118 | 50 | 75 | 100 | 69 | 49 | 28 | 18 | 13 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 187 | 506 | 261 | 506 | 381 | 381 | 381 | 381 | 506 | 495 | 495 | 283 | 549 | 44 | 283 | 44 | 262 | 173 | 172 | 172 | 44 | 158 | 158 | 242 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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