Surf Forecasts:
How big are the waves at Tywyn today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 5s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.1m), 5s period with NW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.8m), 5s period with NNW swell.
The current surf forecast for Tywyn at 4AM is: 0.9m 7s primary swell from a West direction and 0.1m 16s secondary swell from a West direction (forecast issued at 12:00am August 20). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 5s |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 5s |
| Evening (20 Aug) | 2.5ft (0.8m) | 5s |
Table - waves today at Tywyn. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Wed night. Very mild (max 17°C on Thu afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 | W 7 | WSW 5 | WSW 6 | NW 5 | NW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 5 | NW 5 | NW 4 | NNW 4 | NNW 4 | NNW 4 | NW 5 | NNW 5 | NW 4 | NW 4 | NW 4 | W 15 | W 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 55 | 74 | 25 | 17 | 31 | 57 | 47 | 29 | 19 | 31 | 32 | 25 | 15 | 16 | 12 | 6 | 10 | 10 | 8 | 5 | 5 | 4 | 4 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-off |
High Tide | 1:34AM3.30m | 1:58PM3.07m | 2:31AM2.92m | 3:08PM2.81m | 4:01AM2.70m | 4:50PM2.76m | ||||||||||||||||||
Low Tide | 8:15AM1.34m | 8:36PM1.43m | 9:07AM1.59m | 9:54PM1.63m | 10:41AM1.72m | |||||||||||||||||||
 | |  | |  | |  |  | |  |  | | | | |  | | | | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:28 | — |
mm | 2 | 1 | 2 | 2 | 1 | 2 | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 15 | 16 | 17 | 16 | 14 | 13 | 12 | 12 | 14 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 12 | 11 | 12 | 12 | 12 | 13 | 12 | 11 | 11 | 10 | 10 | 12 | 13 | 12 | 13 | 12 | 11 | 11 | 10 | 12 | 12 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | — | W 16 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | NW 5 | NW 5 | NW 5 | SW 6 | W 6 | W 7 | W 6 | NW 5 | W 16 | W 15 | W 15 | W 15 | W 15 | NW 5 |
| kJ | — | 5 | 25 | 17 | 21 | 16 | 8 | 4 | 4 | 5 | 32 | 25 | 15 | 2 | 1 | 1 | 1 | 10 | 5 | 5 | 4 | 4 | 4 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | W 15 | W 15 | W 15 | W 14 | W 14 | W 9 | W 9 | W 14 | WSW 7 | WSW 7 | SW 7 | W 8 | W 8 | W 13 | W 13 | W 13 | W 8 | W 6 | — | W 10 | W 10 | W 15 |
| kJ | — | — | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 4 | 5 | 5 | 2 | 1 | 1 | 3 | 3 | 3 | 1 | 1 | — | 2 | 2 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 14 | W 14 | — | W 14 | W 14 | — | W 13 | W 13 | — | — | W 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 4 | 4 | — | 4 | 4 | — | 3 | 3 | — | — | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | W 7 | NW 4 | NW 4 | NW 5 | NW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | — | — | — | NW 4 | NNW 4 | NNW 4 | NNW 4 | — | NNW 5 | NW 4 | NW 4 | NW 4 | NW 3 | — |
| kJ | 55 | 74 | 4 | 17 | 31 | 57 | 47 | 29 | 19 | 31 | — | — | — | 16 | 12 | 6 | 10 | — | 8 | 5 | 5 | 3 | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 38 | 75 | 323 | 116 | 755 | 323 | 111 | 111 | 111 | 111 | 114 | 114 | 323 | 208 | 291 | 110 | 178 | 110 | 102 | 123 | 230 | 193 | 107 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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