Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 5.5ft (1.7m), 6s period with W swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5ft (1.6m), 6s period with W swell.
- Evening surf: Evening surf (17 Sep, local time) - 5.5ft (1.7m), 6s period with W swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 5PM is: 1.6m 6s primary swell from a West direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 5.5ft (1.7m) | 6s |
| Afternoon (17 Sep) | 5ft (1.6m) | 6s |
| Evening (17 Sep) | 5.5ft (1.7m) | 6s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Fri afternoon. Very mild (max 17°C on Fri night, min 13°C on Thu night). Mainly strong winds. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 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 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 190 | 180 | 160 | 152 | 178 | 134 | 104 | 90 | 68 | 217 | 696 | 606 | 493 | 543 | 645 | 552 | 353 | 234 | 168 | 123 | 64 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:40PM3.31m | 2:09AM3.11m | 2:30PM3.01m | 3:16AM2.79m | 3:54PM2.78m | ||||||||||||||||
Low Tide | 8:09AM1.03m | 8:30PM1.08m | 8:52AM1.36m | 9:24PM1.38m | 9:52AM1.62m | ||||||||||||||||
 |  |  | |  | |  | | | |  |  |  | | | | | | | | | |
 | 6:54 | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | 7 | 3 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 16 | 17 | 16 | 16 | 17 | 16 | 16 | 17 | 16 | 15 |
Feels °C | 8 | 8 | 8 | 9 | 7 | 7 | 9 | 10 | 8 | 6 | 7 | 10 | 12 | 10 | 10 | 12 | 10 | 11 | 12 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | N 15 | N 15 | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 4 | 4 | — | 16 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | 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 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 4 |
| kJ | 190 | 180 | 160 | 152 | 178 | 134 | 104 | 90 | 68 | 217 | 696 | 606 | 493 | 543 | 645 | 552 | 353 | 234 | 168 | 123 | 64 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 284 | 541 | 541 | 541 | 541 | 173 | 332 | 287 | 256 | 549 | 261 | 261 | 261 | 495 | 495 | 495 | 506 | 506 | 283 | 283 | 221 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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