Surf Forecasts:
How big are the waves at Sandy Mouth today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.4m), 7s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3.5ft (1.1m), 6s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 4ft (1.2m), 6s period with W swell.
The current surf forecast for Sandy Mouth at 11AM is: 1.3m 6s primary swell from a West-northwest direction and 0.1m 17s secondary swell from a West direction (forecast issued at 06:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.4m) | 7s |
| Afternoon (18 Aug) | 3.5ft (1.1m) | 6s |
| Evening (18 Aug) | 4ft (1.2m) | 6s |
Table - waves today at Sandy Mouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 18°C on Tue morning, min 12°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||||
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 7 | WNW 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 6 | W 9 | W 6 | W 9 | W 6 | W 7 | W 7 | W 8 | W 7 | W 9 | W 9 | W 9 | WNW 9 | W 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 137 | 212 | 175 | 119 | 100 | 120 | 120 | 123 | 126 | 100 | 57 | 64 | 235 | 137 | 202 | 320 | 377 | 245 | 452 | 412 | 380 | 340 | 241 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:06AM6.84m | 10:25PM6.68m | 10:44AM6.32m | 11:05PM6.07m | 11:27AM5.79m | ||||||||||||||||||
Low Tide | 3:55AM0.94m | 4:10PM1.17m | 4:31AM1.47m | 4:49PM1.71m | 5:11AM2.01m | 5:36PM2.24m | |||||||||||||||||
 |  |  | |  | | |  | |  | | | |  |  | | | | | | | |  | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:30 | — |
mm | — | 2 | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 15 |
Feels °C | 17 | 18 | 17 | 17 | 16 | 15 | 14 | 13 | 14 | 15 | 15 | 14 | 13 | 12 | 13 | 11 | 12 | 12 | 13 | 12 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | W 16 | W 16 | W 17 | W 17 | W 6 | W 17 | W 17 | W 17 | W 7 | W 6 | W 6 | W 9 | W 16 | W 16 | W 10 | W 9 | W 15 | W 9 | W 9 | W 9 | W 9 | WNW 9 | W 9 |
| kJ | 5 | 5 | 6 | 6 | 100 | 6 | 6 | 6 | 126 | 100 | 47 | 60 | 5 | 5 | 17 | 15 | 4 | 133 | 452 | 412 | 380 | 340 | 241 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 17 | — | — | — | W 17 | WNW 9 | W 9 | W 16 | — | — | SW 16 | SW 16 | — | W 15 | W 15 | W 15 | SW 14 | SW 14 | W 14 |
| kJ | — | — | — | — | 6 | — | — | — | 6 | 8 | 57 | 5 | — | — | 10 | 10 | — | 4 | 4 | 4 | 8 | 8 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 17 | W 16 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 5 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 7 | WNW 7 | W 6 | — | W 6 | W 6 | W 6 | — | — | — | W 6 | W 9 | W 6 | W 7 | W 7 | W 8 | W 7 | — | — | — | — | NNW 5 |
| kJ | 137 | 212 | 175 | 119 | — | 120 | 120 | 123 | — | — | — | 64 | 235 | 137 | 202 | 320 | 377 | 245 | — | — | — | — | 53 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 195 | 83 | 220 | 402 | 402 | 278 | 278 | 81 | 47 | 81 | 81 | 254 | 278 | 189 | 202 | 220 | 91 | 86 | 88 | 88 | 91 | 56 | 56 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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