Surf Forecasts:
How big are the waves at Portreath Harbour Wall today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 6s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 6s period with WNW swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 7s period with W swell.
The current surf forecast for Portreath Harbour Wall at 2PM is: 1.4m 6s primary swell from a West-northwest direction (forecast issued at 06:00am August 18). An open ocean swell of 0.2m 17s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5ft (1.5m) | 6s |
| Afternoon (18 Aug) | 4.5ft (1.4m) | 6s |
| Evening (18 Aug) | 4.5ft (1.3m) | 7s |
Table - waves today at Portreath Harbour Wall. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 13°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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) | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 9 | WNW 9 | W 9 | WNW 9 | W 6 | W 7 | W 8 | W 8 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | W 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 156 | 188 | 188 | 165 | 165 | 148 | 157 | 161 | 171 | 276 | 295 | 300 | 355 | 206 | 366 | 496 | 603 | 694 | 710 | 690 | 653 | 528 | 397 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | 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 | cross-on | cross-on | on | on | on | on | on |
High Tide | 9:28AM5.72m | 9:48PM5.59m | 10:08AM5.28m | 10:29PM5.07m | 10:52AM4.83m | ||||||||||||||||||
Low Tide | 3:44PM0.99m | 4:05AM1.23m | 4:23PM1.44m | 4:45AM1.69m | 5:10PM1.88m | ||||||||||||||||||
 |  |  | | | | | |  | |  | | | |  |  |  | | | | | | | |
 | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — |
mm | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 16 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 18 | 18 | 18 | 17 | 16 |
Feels °C | 17 | 18 | 16 | 16 | 16 | 15 | 14 | 16 | 14 | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 12 | 11 | 13 | 13 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 17 | WNW 7 | SSW 17 | WNW 9 | WNW 9 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 14 | W 9 | WNW 9 | WNW 9 | W 9 |
| kJ | 10 | 11 | 28 | 28 | 11 | 12 | 29 | 161 | 28 | 276 | 295 | 24 | 24 | 39 | 38 | 36 | 21 | 21 | 21 | 690 | 653 | 528 | 397 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 17 | SSW 17 | SSW 16 | SSW 16 | — | — | — | SSW 16 | SSW 15 | — | — | — | SSW 14 | SW 14 | SW 14 | SW 14 |
| kJ | — | — | — | — | — | — | — | 29 | 27 | 26 | 24 | — | — | — | 24 | 22 | — | — | — | 21 | 33 | 33 | 32 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | W 7 | WNW 7 | — | WNW 7 | — | — | W 9 | WNW 9 | W 6 | W 7 | W 8 | W 8 | W 9 | W 9 | — | — | — | N 4 |
| kJ | 156 | 188 | 188 | 165 | 165 | 148 | 157 | — | 171 | — | — | 300 | 355 | 206 | 366 | 496 | 603 | 694 | 710 | — | — | — | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 217 | 152 | 281 | 390 | 390 | 217 | 217 | 160 | 23 | 160 | 161 | 217 | 217 | 247 | 260 | 210 | 157 | 152 | 152 | 152 | 162 | 20 | 19 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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