Surf Forecasts:
How big are the waves at Trá Na Rosan today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 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 11AM is: 1.3m 6s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a West-northwest direction, 0.1m 17s secondary swell from a West direction (forecast issued at 06:00am August 21). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4.5ft (1.3m) | 6s |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 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 Fri morning. Very mild (max 15°C on Sat morning, min 13°C on Fri morning). Winds decreasing (fresh winds from the N on Fri morning, light winds from the NW by Sat morning). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 5 | W 9 | NW 5 | NW 5 | WNW 9 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 139 | 121 | 121 | 112 | 100 | 79 | 67 | 51 | 50 | 39 | 23 | 16 | 14 | 11 | 7 | 7 | 8 | 16 | 19 | 36 | 44 | 55 | 57 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-off |
High Tide | 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 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 7 | 7 | 8 | 7 | 8 | 8 | 7 | 8 | 8 | 9 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | WNW 7 | WNW 7 | WNW 7 | W 8 | NNW 5 | NNW 5 | W 9 | W 9 | NW 4 | NW 5 | NW 5 | NW 5 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 39 | 26 | 21 | 20 | 11 | 6 | 10 | 5 | 5 | 6 | 23 | 16 | 14 | 6 | 7 | 7 | 8 | 10 | 19 | 36 | 44 | 55 | 57 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 15 | W 17 | W 17 | W 17 | WNW 8 | W 9 | W 9 | W 9 | WNW 7 | W 9 | W 9 | W 16 | WNW 6 | W 9 | W 8 | WNW 6 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | NW 11 | NW 10 |
| kJ | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 13 | 14 | 5 | 4 | 6 | 6 | 3 | 16 | 15 | 15 | 13 | 18 | 54 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 16 | W 16 | W 16 | W 16 | W 16 | NW 7 | NW 6 | N 9 | NW 10 | WNW 6 | WNW 6 | W 9 | WNW 6 | WNW 5 | W 16 | NW 11 | W 16 | W 16 |
| kJ | — | — | — | — | — | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 4 | 4 | 3 | 6 | 3 | 3 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | — | — | NW 5 | NW 5 | — | — | — | — | — | — | — | — | — |
| kJ | 139 | 121 | 121 | 112 | 100 | 79 | 67 | 51 | 50 | 39 | — | — | 14 | 11 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 338 | 345 | 326 | 338 | 326 | 326 | 326 | 264 | 253 | 274 | 204 | 326 | 326 | 333 | 204 | 344 | 202 | 202 | 35 | 35 | 35 | 29 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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