Surf Forecasts:
How big are the waves at Trá Na Rosan today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4ft (1.2m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.0m), 6s period with NNW swell.
The current surf forecast for Trá Na Rosan at 3AM is: 1.4m 6s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a West-northwest direction, 0.1m 15s secondary swell from a West direction (forecast issued at 12:00am August 21). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4ft (1.2m) | 6s |
| Afternoon (21 Aug) | 3.5ft (1.1m) | 6s |
| Evening (21 Aug) | 3.5ft (1.0m) | 6s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Very mild (max 15°C on Sun morning, min 13°C on Thu night). Winds decreasing (fresh winds from the N on Thu night, light winds from the NNW by Sat morning). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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) | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | W 9 | W 9 | W 9 | W 9 | NW 5 | NW 5 | WNW 9 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 181 | 144 | 121 | 112 | 112 | 92 | 79 | 65 | 51 | 37 | 30 | 23 | 14 | 14 | 7 | 7 | 7 | 6 | 16 | 21 | 35 | 44 | 44 | 57 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-off |
High Tide | 00:26AM2.29m | 1:14PM2.29m | 2:05AM2.16m | 3:02PM2.30m | 3:46AM2.23m | 4:20PM2.48m | ||||||||||||||||||
Low Tide | 6:41AM1.27m | 7:41PM1.35m | 8:20AM1.35m | 9:27PM1.31m | 9:49AM1.23m | |||||||||||||||||||
 | |  | |  |  | |  | | | | | |  | | |  | | | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:46 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 9 | 8 | 9 | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 8 | WNW 5 | W 8 | NNW 5 | N 5 | NNW 5 | NNW 5 | NW 4 | NW 5 | NW 5 | NW 5 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 41 | 39 | 26 | 21 | 20 | 11 | 6 | 10 | 6 | 6 | 6 | 23 | 12 | 8 | 5 | 7 | 7 | 6 | 14 | 21 | 35 | 44 | 44 | 57 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 15 | W 15 | W 15 | W 17 | W 17 | W 8 | W 9 | WNW 7 | WNW 7 | WNW 7 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | WNW 6 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | NW 11 | NW 10 |
| kJ | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 5 | 5 | 4 | 13 | 14 | 14 | 6 | 6 | 6 | 6 | 16 | 15 | 15 | 13 | 30 | 53 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 16 | W 16 | W 16 | W 9 | W 16 | NW 7 | W 16 | W 16 | NW 10 | WNW 6 | WNW 6 | W 9 | WNW 6 | W 16 | W 16 | NW 11 | WNW 8 | W 10 |
| kJ | — | — | — | — | — | — | 5 | 5 | 5 | 6 | 5 | 2 | 5 | 5 | 4 | 3 | 3 | 6 | 3 | 5 | 5 | 5 | 14 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | — | WNW 6 | WNW 6 | WNW 6 | — | — | — | — | — | — | — | — | — |
| kJ | 181 | 144 | 121 | 112 | 112 | 92 | 79 | 65 | 51 | 37 | 30 | — | 12 | 7 | 7 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 274 | 338 | 349 | 403 | 326 | 326 | 326 | 326 | 253 | 253 | 203 | 26 | 144 | 338 | 333 | 144 | 338 | 202 | 204 | 8 | 35 | 35 | 108 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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