Surf Forecasts:
How big are the waves at Trá Na Rosan today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 1.5ft (0.4m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 3ft (0.9m), 6s period with NNW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3ft (0.9m), 7s period with NNW swell.
The current surf forecast for Trá Na Rosan at 7PM is: 0.9m 7s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 12:00pm July 20). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 1.5ft (0.4m) | 11s |
| Afternoon (20 Jul) | 3ft (0.9m) | 6s |
| Evening (20 Jul) | 3ft (0.9m) | 7s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Wed night, min 11°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 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) | WNW 10 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 37 | 55 | 64 | 73 | 75 | 88 | 80 | 85 | 85 | 82 | 68 | 68 | 68 | 71 | 78 | 85 | 88 | 73 | 59 | 57 | 38 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 11:10AM2.72m | 11:34PM2.95m | 12:01PM2.56m | 00:26AM2.66m | 1:01PM2.43m | ||||||||||||||||
Low Tide | 5:07PM0.62m | 5:49AM0.75m | 6:01PM0.87m | 6:43AM0.97m | 7:07PM1.09m | ||||||||||||||||
 | | | |  |  | |  | | | | | | | | | | | | | | |
 | 5:16 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | 9:55 | — | — | — | — | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 14 |
Feels °C | 10 | 9 | 8 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 9 | 11 | 11 | 11 | 11 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
| kJ | 37 | 37 | 37 | 36 | 34 | 33 | 33 | 32 | 32 | 31 | 17 | 17 | 16 | 16 | 16 | 16 | 88 | 73 | 59 | 57 | 38 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 18 | W 18 | W 18 | W 18 | — | — | — | — | — | — | W 16 | W 16 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 |
| kJ | — | — | — | — | 6 | 6 | 6 | 6 | — | — | — | — | — | — | 5 | 5 | 16 | 16 | 16 | 16 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | — | — | — | — | — |
| kJ | 36 | 55 | 64 | 73 | 75 | 88 | 80 | 85 | 85 | 82 | 68 | 68 | 68 | 71 | 78 | 85 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 327 | 372 | 1338 | 274 | 274 | 372 | 372 | 327 | 378 | 858 | 593 | 1221 | 327 | 327 | 327 | 327 | 327 | 13 | 13 | 13 | 35 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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