Surf Forecasts:
How big are the waves at Trá Na Rosan today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5.5ft (1.7m), 8s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 7ft (2.1m), 11s period with WNW swell.
The current surf forecast for Trá Na Rosan at 9PM is: 2.1m 11s primary swell from a West-northwest direction and 2.0m 10s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 18). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 5.5ft (1.7m) | 8s |
| Evening (18 Aug) | 7ft (2.1m) | 11s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Wed morning. Very mild (max 15°C on Tue afternoon, min 13°C on Tue night). Winds increasing (light winds from the NW on Wed afternoon, fresh winds from the N by Thu night). | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 9 | WNW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 7 | NNW 8 | N 7 | N 7 | N 7 | N 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 483 | 748 | 972 | 837 | 745 | 603 | 579 | 518 | 461 | 408 | 351 | 283 | 242 | 327 | 461 | 277 | 397 | 303 | 233 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:43PM2.87m | 11:03AM2.65m | 11:26PM2.56m | 11:55AM2.44m | |||||||||||||||
Low Tide | 4:24PM0.60m | 4:51AM0.78m | 5:09PM0.91m | 5:36AM1.05m | 6:08PM1.18m | ||||||||||||||
 |  |  |  |  |  | | |  |  | |  | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | 8:59 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:54 | — |
mm | — | — | — | — | — | 1 | 2 | 2 | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 13 |
Feels °C | 9 | 10 | 9 | 9 | 9 | 8 | 11 | 12 | 12 | 13 | 13 | 11 | 11 | 8 | 6 | 6 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | N 6 | — | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 1 | — | 972 | 837 | 745 | 603 | 579 | 518 | 461 | 408 | 351 | 283 | 242 | 163 | 105 | 94 | 68 | 65 | 45 |
Swell 2 Height (m) Direction Period (s) | W 17 | — | — | — | — | W 18 | W 17 | W 17 | W 17 | — | N 10 | N 10 | N 10 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 |
| kJ | 6 | — | — | — | — | 6 | 6 | 6 | 6 | — | 2 | 7 | 16 | 5 | 5 | 5 | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | WNW 10 | — | — | — | — | — | — | — | — | — | N 4 | N 6 | NNW 7 | NNW 8 | N 7 | N 7 | N 7 | N 7 |
| kJ | 483 | 748 | — | — | — | — | — | — | — | — | — | 8 | 62 | 327 | 461 | 277 | 397 | 303 | 233 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 361 | 140 | 35 | 35 | 35 | 35 | 7 | 8 | 35 | 29 | 29 | 106 | 110 | 110 | 110 | 410 | 346 | 403 | 358 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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