Surf Forecasts:
How big are the waves at Portreath Harbour Wall today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 5ft (1.5m), 11s period with W swell.
- Evening surf: Evening surf (20 Sep, local time) - 4.5ft (1.3m), 11s period with WNW swell.
The current surf forecast for Portreath Harbour Wall at 9PM is: 1.3m 11s primary swell from a West-northwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 06:00pm September 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 5ft (1.5m) | 11s |
| Evening (20 Sep) | 4.5ft (1.3m) | 11s |
Table - waves today at Portreath Harbour Wall. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Mon morning, min 16°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 11 | W 11 | WNW 11 | W 11 | W 11 | W 11 | W 12 | W 12 | WNW 11 | WNW 11 | W 11 | W 9 | W 9 | WNW 10 | W 10 | W 12 | W 12 | W 11 | W 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 483 | 483 | 422 | 358 | 364 | 319 | 330 | 270 | 209 | 158 | 143 | 108 | 113 | 133 | 221 | 336 | 397 | 441 | 403 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | glassy | glassy | cross-off | cross | on | cross-on | cross-on | cross-on | cross | cross | glassy | cross | cross | glassy | cross-on | cross |
High Tide | 1:29AM4.03m | 2:15PM4.26m | 2:57AM4.30m | 3:22PM4.66m | |||||||||||||||
Low Tide | 7:12PM2.45m | 7:56AM2.45m | 8:48PM2.23m | 9:14AM2.11m | 9:48PM1.81m | ||||||||||||||
 | |  |  | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — |
 | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 17 | 17 | 17 | 17 | 18 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 18 | 20 | 20 | 19 | 17 |
Feels °C | 16 | 15 | 18 | 18 | 17 | 17 | 19 | 21 | 21 | 20 | 19 | 19 | 17 | 18 | 19 | 21 | 21 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | WNW 11 | W 11 | W 11 | W 11 | W 12 | W 12 | WNW 11 | WNW 11 | W 11 | W 9 | W 9 | WNW 10 | W 10 | W 12 | W 12 | W 11 | W 11 |
| kJ | 483 | 483 | 422 | 358 | 364 | 319 | 330 | 270 | 209 | 158 | 143 | 108 | 113 | 133 | 221 | 336 | 397 | 441 | 403 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | N 5 | N 5 | — | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | W 21 | W 19 | W 18 | W 18 |
| kJ | 8 | 7 | 7 | 2 | 2 | — | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 9 | 65 | 230 | 390 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 13 | SW 13 | SW 13 | — | — | — | — | — | — | — | — | W 22 | SW 12 | SW 12 | SW 12 | WNW 15 |
| kJ | — | — | — | 7 | 7 | 7 | — | — | — | — | — | — | — | — | 9 | 6 | 6 | 6 | 231 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 15 | 0 | 0 | 0 | 0 | 0 | 8 | 13 | 19 | 20 | 19 | 9 | 9 | 0 | 9 | 9 | 0 | 18 | 9 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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