Surf Forecasts:
How big are the waves at Porthtowan today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 8ft (2.5m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 11ft (3.5m), 9s period with WSW swell.
- Evening surf: Evening surf (29 Aug, local time) - 10ft (3.0m), 9s period with WSW swell.
The current surf forecast for Porthtowan at 6AM is: 1.8m 6s primary swell from a Southwest direction and 0.2m 7s secondary swell from a West-northwest direction (forecast issued at 12:00am August 29). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 8ft (2.5m) | 8s |
| Afternoon (29 Aug) | 11ft (3.5m) | 9s |
| Evening (29 Aug) | 10ft (3.0m) | 9s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Fri night. Very mild (max 19°C on Sat morning, min 16°C on Sat night). Winds decreasing (strong winds from the WNW on Sat afternoon, light winds from the WNW by Mon afternoon). | ||||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||||||||||
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) | WSW 6 | WNW 8 | SW 7 | SW 8 | SW 9 | WSW 9 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 9 | W 9 | W 10 | W 10 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 120 | 6 | 332 | 984 | 1325 | 2296 | 1852 | 1315 | 791 | 560 | 534 | 577 | 606 | 804 | 1175 | 1487 | 1729 | 1708 | 1561 | 1459 | 1113 | 900 | 654 | 464 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross |
High Tide | 6:39AM6.16m | 6:54PM6.48m | 7:11AM6.32m | 7:27PM6.57m | 7:44AM6.37m | 8:01PM6.51m | ||||||||||||||||||
Low Tide | 00:44AM0.38m | 12:55PM0.34m | 1:15AM0.22m | 1:27PM0.24m | 1:47AM0.20m | 1:59PM0.27m | ||||||||||||||||||
 |  |  |  |  |  |  |  | | |  | | | | | | | | | | | | |  | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — |
mm | — | 7 | 8 | 4 | 1 | — | — | — | — | — | — | 1 | 6 | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 18 | 19 | 18 | 17 | 17 | 17 | 16 | 17 | 18 | 17 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 |
Feels °C | 15 | 14 | 14 | 14 | 14 | 12 | 12 | 14 | 15 | 14 | 15 | 13 | 13 | 12 | 11 | 9 | 11 | 11 | 11 | 11 | 11 | 13 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 7 | — | — | — | — | WSW 9 | WSW 9 | WSW 9 | SSW 9 | — | — | — | — | S 6 | — | — | — | W 9 | W 10 | W 10 | W 10 | W 10 |
| kJ | 12 | 6 | 5 | — | — | — | — | 1315 | 791 | 560 | 9 | — | — | — | — | 40 | — | — | — | 1459 | 1113 | 900 | 654 | 464 |
Swell 2 Height (m) Direction Period (s) | SW 11 | — | — | — | — | — | — | — | SSW 10 | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | S 7 | N 5 | SSW 6 |
| kJ | 5 | — | — | — | — | — | — | — | 19 | 9 | — | — | — | — | — | — | — | — | — | — | — | 24 | 21 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 19 | N 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 13 |
Wind waves Height (m) Direction Period (s) | WSW 6 | SW 6 | SW 7 | SW 8 | SW 9 | WSW 9 | WSW 10 | — | — | — | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 9 | W 9 | W 10 | W 10 | W 9 | — | — | — | — | — |
| kJ | 120 | 133 | 332 | 984 | 1325 | 2296 | 1852 | — | — | — | 534 | 577 | 606 | 804 | 1175 | 1487 | 1729 | 1708 | 1561 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 194 | 210 | 277 | 244 | 155 | 246 | 227 | 154 | 17 | 17 | 17 | 102 | 401 | 394 | 532 | 260 | 165 | 165 | 160 | 173 | 159 | 154 | 17 | 16 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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