Surf Forecasts:
How big are the waves at Tenby (South Beach) today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.5m), 7s period with W swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 9s period with WSW swell.
The current surf forecast for Tenby (South Beach) at 10PM is: 1.0m 9s primary swell from a West-southwest direction and 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 06:00pm August 20). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 5ft (1.5m) | 7s |
| Evening (20 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Tenby (South Beach). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 18°C on Sat morning, min 12°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, calm by Sat morning). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 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 7 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | W 8 | SW 16 | WSW 8 | SW 16 | WSW 8 | WSW 8 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 223 | 238 | 173 | 135 | 82 | 80 | 55 | 65 | 10 | 22 | 10 | 24 | 14 | 31 | 31 | 31 | 18 | 17 | 21 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | cross-off | cross-off | glassy | cross-off | cross-off | cross-off |
High Tide | 00:25AM5.67m | 12:55PM5.47m | 1:34AM5.23m | 2:19PM5.20m | |||||||||||||||
Low Tide | 6:07PM2.32m | 6:35AM2.60m | 7:13PM2.78m | 7:55AM2.95m | 8:51PM2.96m | ||||||||||||||
 |  |  | |  |  |  | | | | |  | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | 8:31 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:28 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 14 | 13 | 13 | 12 | 14 | 16 | 17 | 16 | 15 | 15 | 14 | 13 | 15 | 18 | 18 | 16 | 14 |
Feels °C | 12 | 10 | 10 | 9 | 10 | 8 | 10 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 13 | 16 | 14 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | W 7 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | W 8 | SW 13 | WSW 8 | W 8 | WSW 8 | WSW 8 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
| kJ | 223 | 238 | 173 | 135 | 82 | 80 | 55 | 65 | 7 | 22 | 50 | 24 | 14 | 31 | 31 | 31 | 18 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 16 | SW 13 | SW 13 | WNW 4 | NNW 5 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 15 | SSW 15 |
| kJ | 8 | 20 | 20 | 19 | 7 | 7 | 7 | 7 | 10 | 7 | 7 | 1 | 3 | 23 | 21 | 21 | 8 | 8 | 21 |
Swell 3 Height (m) Direction Period (s) | — | WSW 14 | — | — | — | NE 4 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 13 | SW 16 | NNW 6 | NNW 5 | NNW 4 | SW 12 | SW 12 | SW 12 |
| kJ | — | 20 | — | — | — | 1 | 10 | 10 | 10 | 10 | 10 | 7 | 10 | 3 | 3 | 2 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | NNW 4 | NNW 4 | N 4 | N 4 | N 4 | NNW 3 | N 3 | W 8 | WNW 5 | NW 4 | NNE 2 | NE 3 | NE 3 | — | — | NNW 3 | NW 3 | NNW 3 |
| kJ | — | 13 | 11 | 9 | 9 | 6 | 5 | 1 | 66 | 22 | 3 | 1 | 1 | 1 | — | — | 1 | 2 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 672 | 183 | 37 | 30 | 26 | 26 | 30 | 181 | 271 | 35 | 25 | 180 | 64 | 28 | 25 | 150 | 181 | 181 | 173 |
Best forecast wave conditions in Wales - Pembrokeshire | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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