Surf Forecasts:
How big are the waves at Trá Na Rosan today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 2.5ft (0.7m), 9s period with W swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.7m), 8s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 0.5ft (0.1m), 18s period with W swell.
The current surf forecast for Trá Na Rosan at 5PM is: 0.3m 7s primary swell from a North direction (forecast issued at 12:00pm August 17). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (17 Aug) | 2.5ft (0.7m) | 8s |
| Evening (17 Aug) | 0.5ft (0.1m) | 18s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Mon morning. Very mild (max 16°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the NNE by Wed night). | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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) | W 8 | W 8 | W 8 | N 7 | W 18 | W 7 | W 7 | W 7 | W 8 | W 8 | W 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 69 | 65 | 63 | 8 | 6 | 144 | 154 | 198 | 253 | 279 | 432 | 698 | 886 | 979 | 1051 | 1019 | 934 | 776 | 676 | 584 | 512 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on |
High Tide | 9:45AM3.05m | 10:05PM3.20m | 10:23AM2.86m | 10:43PM2.87m | 11:03AM2.65m | ||||||||||||||||
Low Tide | 3:44PM0.32m | 4:13AM0.50m | 4:24PM0.60m | 4:51AM0.78m | 5:09PM0.91m | ||||||||||||||||
 | | | |  |  | |  | | | | |  |  | | |  | | | |  | |
 | 6:07 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | 9:01 | — | — | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 8:57 | — |
mm | 1 | 2 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
Temp °C | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 15 | 14 |
Feels °C | 14 | 14 | 14 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 11 | 11 | 12 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | N 7 | N 7 | N 7 | N 6 | N 7 | N 6 | N 6 | — | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 69 | 65 | 63 | 63 | 4 | 4 | 4 | 3 | 1 | 1 | 1 | — | 886 | 979 | 1051 | 1019 | 934 | 776 | 676 | 584 | 512 |
Swell 2 Height (m) Direction Period (s) | NNW 7 | N 7 | N 7 | N 7 | NW 6 | W 18 | W 19 | — | W 16 | W 16 | W 17 | — | — | — | W 18 | — | — | — | — | — | — |
| kJ | 11 | 9 | 9 | 8 | 2 | 6 | 7 | — | 5 | 5 | 6 | — | — | — | 6 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 7 | NW 6 | NNW 6 | NW 6 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 6 | 4 | 1 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 6 | W 7 | W 7 | W 7 | W 8 | W 8 | W 9 | WNW 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 124 | 144 | 154 | 198 | 253 | 279 | 432 | 698 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 155 | 332 | 332 | 364 | 346 | 344 | 344 | 416 | 416 | 75 | 75 | 75 | 57 | 75 | 35 | 67 | 90 | 29 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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