Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 4.5ft (1.3m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 5.5ft (1.7m), 6s period with SSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 5ft (1.5m), 6s period with SSW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 3AM is: 1.0m 5s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am June 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 4.5ft (1.3m) | 5s |
| Afternoon (18 Jun) | 5.5ft (1.7m) | 6s |
| Evening (18 Jun) | 5ft (1.5m) | 6s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Thu afternoon. Very mild (max 16°C on Thu afternoon, min 14°C on Wed night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sat afternoon). | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 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) | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 64 | 45 | 45 | 91 | 143 | 187 | 193 | 153 | 148 | 172 | 223 | 281 | 356 | 297 | 199 | 123 | 81 | 59 | 47 | 37 | 31 | 23 | 23 | 12 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross | glassy | off |
High Tide | 11:50PM4.33m | 12:26PM3.83m | 00:42AM4.24m | 1:22PM3.61m | 1:37AM4.08m | 2:21PM3.40m | ||||||||||||||||||
Low Tide | 6:56AM-0.17m | 7:11PM0.29m | 7:47AM-0.03m | 8:01PM0.48m | 8:40AM0.19m | 8:52PM0.71m | ||||||||||||||||||
 |  |  |  |  | |  | | | | | | | | | | | | | |  | | |  | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:47 | — |
mm | — | — | 1 | — | 1 | 4 | — | — | — | — | — | — | 1 | 1 | 3 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 |
Feels °C | 10 | 11 | 10 | 11 | 10 | 10 | 13 | 12 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 10 | 11 | 12 | 14 | 12 | 11 | 13 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | — | — | SW 11 | SW 11 | SW 11 | S 11 | — | — | — | — | — | — | S 10 | S 10 | SW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 5 | 5 | 5 | 5 | — | — | 5 | 5 | 5 | 2 | — | — | — | — | — | — | 2 | 2 | 47 | 37 | 31 | 23 | 23 | 12 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 10 | S 10 | — | WNW 3 | WNW 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 10 | S 10 | S 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | — | — | WNW 3 | — | — | — |
| kJ | 64 | 45 | 45 | 91 | 143 | 187 | 193 | 153 | 148 | 172 | 223 | 281 | 356 | 297 | 199 | 123 | 81 | 59 | — | — | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 284 | 226 | 179 | 179 | 198 | 226 | 256 | 256 | 179 | 179 | 179 | 196 | 196 | 198 | 198 | 297 | 243 | 118 | 106 | 212 | 44 | 45 | 173 | 185 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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