Surf Forecasts:
How big are the waves at Porthtowan today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 10ft (3.0m), 10s period with W swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 8ft (2.5m), 10s period with W swell.
- Evening surf: Evening surf (31 Aug, local time) - 6ft (1.9m), 10s period with W swell.
The current surf forecast for Porthtowan at 8AM is: 3.0m 10s primary swell from a West direction (forecast issued at 12:00am August 31). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 10ft (3.0m) | 10s |
| Afternoon (31 Aug) | 8ft (2.5m) | 10s |
| Evening (31 Aug) | 6ft (1.9m) | 10s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 20°C on Wed morning, min 16°C on Sun night). Winds decreasing (fresh winds from the W on Sun night, light winds from the SW by Mon night). | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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 9 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1487 | 1666 | 1586 | 1553 | 1352 | 1115 | 830 | 598 | 463 | 327 | 230 | 189 | 157 | 146 | 137 | 134 | 131 | 66 | 214 | 376 | 450 | 437 | 392 | 392 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross |
High Tide | 7:44AM6.37m | 8:01PM6.51m | 8:19AM6.28m | 8:38PM6.31m | 8:58AM6.06m | 9:19PM5.97m | ||||||||||||||||||
Low Tide | 1:47AM0.20m | 1:59PM0.27m | 2:20AM0.30m | 2:34PM0.42m | 2:55AM0.54m | 3:12PM0.69m | ||||||||||||||||||
 | |  | | | | |  | |  |  |  | | | | | | | | | | | | | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 20 | 19 | 18 | 18 |
Feels °C | 11 | 12 | 11 | 10 | 11 | 11 | 13 | 14 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 16 | 15 | 13 | 14 | 17 | 15 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | — | WSW 10 | — | — | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | SW 16 | W 6 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 15 | SSW 15 |
| kJ | — | 1666 | — | — | 1334 | 1115 | 830 | 598 | 463 | 327 | 230 | 189 | 157 | 146 | 137 | 134 | 10 | 66 | 25 | 25 | 24 | 37 | 22 | 22 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | N 6 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | SW 17 | SW 16 | SW 16 | SW 11 | SSW 16 | S 11 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 30 | 21 | 8 | 7 | 4 | 2 | 2 | 12 | 11 | 10 | 5 | 25 | 2 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 19 | S 19 | S 18 | S 18 | S 18 | SW 18 | SW 18 | N 5 | — | — | — | SW 11 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 7 | 7 | 6 | 6 | 6 | 12 | 12 | 2 | — | — | — | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | — | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | W 8 | SW 4 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 1487 | — | 1586 | 1553 | 1352 | — | — | — | — | — | — | — | — | — | — | — | 131 | 20 | 214 | 376 | 450 | 437 | 392 | 392 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 165 | 288 | 739 | 218 | 128 | 150 | 104 | 17 | 5 | 5 | 16 | 5 | 16 | 218 | 5 | 5 | 0 | 17 | 42 | 210 | 280 | 280 | 19 | 210 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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