Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 4.5ft (1.3m), 5s period with WNW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.0m), 5s period with WNW swell.
- Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.5m), 8s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 5AM is: 0.9m 8s primary swell from a Southwest direction and 0.1m 11s secondary swell from a Southwest direction, 0.5m 3s secondary swell from a West direction (forecast issued at 12:00am August 31). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 4.5ft (1.3m) | 5s |
| Afternoon (31 Aug) | 3.5ft (1.0m) | 5s |
| Evening (31 Aug) | 1.5ft (0.5m) | 8s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the NW on Mon morning, light winds from the SW by Tue night). | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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) | SW 7 | SSW 8 | SSW 8 | WNW 5 | NW 5 | SW 8 | SSW 8 | SW 7 | SSW 7 | SW 7 | SW 4 | SW 4 | SW 4 | SW 5 | SSW 5 | SW 6 | SW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 119 | 98 | 76 | 98 | 73 | 50 | 41 | 27 | 21 | 42 | 12 | 17 | 38 | 53 | 106 | 101 | 57 | 59 | 176 | 170 | 124 | 103 | 136 | 304 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on | on |
High Tide | 11:30PM4.30m | 11:49AM3.93m | 00:03AM4.23m | 12:23PM3.87m | 00:40AM4.07m | 1:01PM3.73m | ||||||||||||||||||
Low Tide | 6:27AM0.05m | 6:37PM0.27m | 7:03AM0.19m | 7:16PM0.42m | 7:43AM0.43m | 7:59PM0.63m | ||||||||||||||||||
 | |  |  | | | |  |  | |  | | | |  |  | | | | |  | | | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | — | 2 | 3 | 1 | — | — | — |
Temp °C | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 15 | 14 | 15 | 15 | 16 | 17 | 17 | 17 | 16 |
Feels °C | 14 | 10 | 10 | 10 | 9 | 11 | 12 | 13 | 13 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 12 | 13 | 12 | 13 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | SSW 8 | SW 7 | SSW 7 | NNW 5 | N 4 | — | WNW 4 | — | — | — | — | — | — | S 16 | S 16 | SW 16 | SW 16 | — |
| kJ | 119 | 98 | 76 | 62 | 49 | 50 | 41 | 27 | 21 | 4 | 1 | — | 1 | — | — | — | — | — | — | 5 | 5 | 10 | 9 | — |
Swell 2 Height (m) Direction Period (s) | — | SW 11 | SW 12 | — | — | NNW 5 | NNW 5 | NNW 4 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | 6 | — | — | 8 | 7 | 6 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 3 | WNW 4 | WNW 5 | NW 5 | WNW 5 | W 4 | W 4 | W 3 | SW 7 | SW 4 | SW 4 | SW 4 | SW 5 | SSW 5 | SW 6 | SW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 |
| kJ | — | 6 | 42 | 98 | 73 | 33 | 12 | 4 | 3 | 42 | 12 | 17 | 38 | 53 | 106 | 101 | 57 | 59 | 176 | 170 | 124 | 103 | 136 | 304 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 44 | 466 | 541 | 297 | 44 | 44 | 44 | 44 | 248 | 187 | 284 | 313 | 261 | 294 | 256 | 256 | 256 | 258 | 285 | 297 | 298 | 297 | 283 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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