Surf Forecasts:
How big are the waves at Trá Na Rosan today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 6.5ft (2.0m), 8s period with N swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.8m), 7s period with N swell.
- Evening surf: Evening surf (20 Aug, local time) - 5ft (1.6m), 7s period with N swell.
The current surf forecast for Trá Na Rosan at 7PM is: 1.6m 7s primary swell from a North direction and 0.6m 9s secondary swell from a West-northwest direction, 0.1m 16s secondary swell from a West direction (forecast issued at 12:00pm August 20). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 6.5ft (2.0m) | 8s |
| Afternoon (20 Aug) | 6ft (1.8m) | 7s |
| Evening (20 Aug) | 5ft (1.6m) | 7s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 14°C on Fri night, min 13°C on Thu morning). Winds decreasing (strong winds from the N on Thu morning, light winds from the NW by Fri night). | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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) | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | N 5 | NW 5 | NNW 5 | NW 5 | NW 5 | NNW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 573 | 419 | 348 | 247 | 240 | 200 | 165 | 134 | 112 | 92 | 82 | 72 | 65 | 51 | 28 | 19 | 27 | 17 | 19 | 20 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross |
High Tide | 11:55AM2.44m | 00:26AM2.29m | 1:14PM2.29m | 2:05AM2.16m | 3:02PM2.30m | ||||||||||||||||
Low Tide | 6:08PM1.18m | 6:41AM1.27m | 7:41PM1.35m | 8:20AM1.35m | 9:27PM1.31m | ||||||||||||||||
 |  | | |  | | |  |  | | | |  | | | | | | | | | |
 | 6:13 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | N 5 | W 9 | W 9 | W 9 | W 9 | NNW 5 |
| kJ | 103 | 69 | 68 | 65 | 45 | 41 | 27 | 26 | 21 | 12 | 11 | 5 | 5 | 5 | 6 | 19 | 13 | 14 | 14 | 6 | 17 |
Swell 2 Height (m) Direction Period (s) | W 16 | — | W 16 | W 16 | W 15 | W 15 | W 15 | W 15 | W 15 | W 17 | W 17 | W 8 | W 9 | W 8 | WNW 7 | W 8 | NW 7 | NW 6 | NW 6 | NW 6 | W 9 |
| kJ | 5 | — | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 2 | 2 | 2 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 16 | W 9 | WNW 7 | W 16 | W 16 | W 16 | NW 10 | NW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 6 | 4 | 5 | 5 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | WNW 5 | NW 5 | NNW 5 | NW 5 | NW 5 | — |
| kJ | 573 | 419 | 348 | 247 | 240 | 200 | 165 | 134 | 112 | 92 | 82 | 72 | 65 | 51 | 28 | 6 | 27 | 17 | 19 | 20 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 408 | 803 | 1118 | 346 | 358 | 136 | 403 | 133 | 403 | 403 | 326 | 326 | 326 | 253 | 203 | 35 | 204 | 338 | 338 | 35 | 333 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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