Surf Forecasts:
How big are the waves at Trá Na Rosan today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5ft (1.5m), 11s period with WNW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.4m), 10s period with WNW swell.
The current surf forecast for Trá Na Rosan at 9PM is: 1.4m 10s primary swell from a West-northwest direction (forecast issued at 06:00pm September 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 5ft (1.5m) | 11s |
| Evening (21 Sep) | 4.5ft (1.4m) | 10s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Warm (max 21°C on Mon afternoon, min 10°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the SSE by Thu morning). | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||
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 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | W 11 | WNW 11 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 476 | 370 | 356 | 394 | 473 | 588 | 611 | 525 | 478 | 1374 | 1647 | 1797 | 1772 | 1449 | 1289 | 1192 | 850 | 756 | 563 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | off | cross-on | cross | cross | on | on | on | cross-on | cross-on | cross-on | on | on | glassy | off |
High Tide | 3:50PM2.44m | 4:17AM2.33m | 4:38PM2.70m | 4:57AM2.56m | 5:13PM2.96m | ||||||||||||||
Low Tide | 10:12PM1.15m | 10:14AM1.03m | 10:52PM0.88m | 10:53AM0.77m | |||||||||||||||
 |  |  | |  |  |  | |  | |  | | | | | | | | | |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | 7:34 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:29 | — |
mm | — | — | — | — | — | — | 1 | 1 | — | 1 | 2 | 2 | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 19 | 17 | 16 | 16 | 14 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 19 | 19 | 17 | 14 | 13 | 13 | 13 | 11 | 12 | 11 | 11 | 10 | 8 | 8 | 8 | 8 | 10 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | W 11 | WNW 11 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 |
| kJ | 476 | 370 | 356 | 394 | 473 | 588 | 611 | 525 | 478 | 1374 | 1647 | 1797 | 1772 | 1449 | 1289 | 1192 | 850 | 756 | 563 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 7 | N 7 | N 7 | N 7 | WNW 18 | NW 15 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | 1 | 1 | 1 | 34 | 223 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 8 | N 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 35 | 0 | 0 | 29 | 0 | 0 | 35 | 18 | 35 | 29 | 84 | 78 | 136 | 44 | 202 | 253 | 52 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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