Surf Forecasts:
How big are the waves at Portreath Harbour Wall today (17 Aug):
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3.5ft (1.1m), 8s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.1m), 7s period with W swell.
The current surf forecast for Portreath Harbour Wall at 11PM is: 1.1m 6s primary swell from a West direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 06:00pm August 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | - | - |
| Afternoon (17 Aug) | 3.5ft (1.1m) | 8s |
| Evening (17 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Portreath Harbour Wall. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Very mild (max 19°C on Mon afternoon, min 16°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
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 8 | W 7 | W 7 | W 6 | W 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | WNW 6 | WNW 7 | WNW 7 | W 7 | W 9 | WNW 7 | W 7 | W 7 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 115 | 109 | 113 | 94 | 130 | 165 | 134 | 139 | 139 | 135 | 147 | 187 | 186 | 206 | 363 | 175 | 286 | 338 | 463 |
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 | 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 |
High Tide | 9:09PM6.08m | 9:28AM5.72m | 9:48PM5.59m | 10:08AM5.28m | |||||||||||||||
Low Tide | 3:07PM0.57m | 3:29AM0.78m | 3:44PM0.99m | 4:05AM1.23m | 4:23PM1.44m | ||||||||||||||
 |  |  | |  |  | | | | | | |  |  | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | 8:37 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 |
Temp °C | 19 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 17 |
Feels °C | 17 | 15 | 15 | 16 | 18 | 18 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | WNW 9 | SSW 16 | SW 16 | SW 16 |
| kJ | 12 | 12 | 11 | 10 | 10 | 11 | 28 | 28 | 11 | 12 | 29 | 29 | 28 | 26 | 24 | 103 | 24 | 39 | 38 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 19 | — | — | SSW 17 | SW 17 | — | — | — | — | — | — | — | NW 11 | — | — | — |
| kJ | — | — | — | 7 | — | — | 28 | 11 | — | — | — | — | — | — | — | 30 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 16 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 24 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 7 | W 7 | W 6 | W 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | WNW 6 | WNW 7 | WNW 7 | W 7 | W 9 | WNW 7 | W 7 | W 7 | W 8 |
| kJ | 115 | 109 | 113 | 94 | 130 | 165 | 134 | 139 | 139 | 135 | 147 | 187 | 186 | 206 | 363 | 175 | 286 | 338 | 463 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 513 | 585 | 210 | 217 | 210 | 152 | 281 | 928 | 764 | 487 | 217 | 162 | 210 | 210 | 193 | 208 | 210 | 217 | 226 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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