Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (16 Sep):
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2ft (0.6m), 4s period with W swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.1m), 4s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 9PM is: 1.1m 4s primary swell from a Southwest direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 06:00pm September 16). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 2ft (0.6m) | 4s |
| Evening (16 Sep) | 3.5ft (1.1m) | 4s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Fri afternoon. Very mild (max 17°C on Fri afternoon, min 13°C on Wed night). Winds increasing (moderate winds from the WSW on Wed afternoon, strong winds from the SW by Fri afternoon). | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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 4 | SW 4 | SW 4 | SW 6 | SW 6 | SW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 5 | W 5 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 12 | 22 | 45 | 157 | 196 | 132 | 163 | 174 | 183 | 154 | 178 | 138 | 124 | 95 | 83 | 178 | 567 | 537 | 400 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 1:24AM3.48m | 1:40PM3.31m | 2:09AM3.11m | 2:30PM3.01m | |||||||||||||||
Low Tide | 7:49PM0.75m | 8:09AM1.03m | 8:30PM1.08m | 8:52AM1.36m | 9:24PM1.38m | ||||||||||||||
 | |  |  |  |  |  | | | |  | | | | |  |  | |  | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | 7:31 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:27 | — |
mm | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 8 | — | — |
Temp °C | 15 | 15 | 15 | 14 | 15 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 15 | 17 | 17 |
Feels °C | 11 | 9 | 9 | 8 | 9 | 7 | 7 | 6 | 8 | 9 | 7 | 7 | 8 | 9 | 8 | 5 | 8 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | NNW 5 | NNW 5 | N 4 | — | — | SW 6 | — | — | — | — | — | N 15 | N 15 | N 15 | NW 5 | — | — | — | — |
| kJ | 13 | 4 | 2 | — | — | 132 | — | — | — | — | — | 4 | 4 | 4 | 19 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 11 | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | N 14 | — | — | — | — |
| kJ | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | SW 4 | SW 4 | SW 6 | SW 6 | WNW 5 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 5 | W 5 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 |
| kJ | 12 | 22 | 45 | 157 | 196 | 74 | 163 | 174 | 183 | 154 | 178 | 138 | 124 | 95 | 83 | 178 | 567 | 537 | 400 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 173 | 173 | 261 | 282 | 277 | 283 | 283 | 277 | 284 | 541 | 541 | 541 | 541 | 187 | 332 | 318 | 287 | 549 | 261 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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