Surf Forecasts:
How big are the waves at Rossnowlagh today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 9s period with NNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.7m), 9s period with W swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.8m), 9s period with WNW swell.
The current surf forecast for Rossnowlagh at 12PM is: 0.8m 10s primary swell from a West-northwest direction and 1.1m 4s secondary swell from a North-northwest direction (forecast issued at 06:00am August 20). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 9s |
| Afternoon (20 Aug) | 2.5ft (0.7m) | 9s |
| Evening (20 Aug) | 2.5ft (0.8m) | 9s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | WNW 10 | NW 10 | NNW 9 | W 10 | W 9 | W 9 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | WNW 5 | WNW 6 | NW 6 | WNW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 482 | 452 | 172 | 117 | 85 | 81 | 101 | 120 | 112 | 78 | 88 | 65 | 30 | 45 | 30 | 16 | 11 | 10 | 14 | 11 | 14 | 9 | 7 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | on | on | cross-on | cross-on |
High Tide | 11:43AM2.60m | 00:10AM2.43m | 12:54PM2.45m | 1:36AM2.26m | 2:30PM2.44m | ||||||||||||||||||
Low Tide | 5:15AM1.06m | 5:47PM1.22m | 6:16AM1.29m | 7:19PM1.40m | 7:53AM1.38m | 9:08PM1.36m | |||||||||||||||||
 |  |  | | | |  | | |  | | | | |  | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 15 | 15 | 13 | 12 | 11 | 11 | 11 | 13 | 15 | 15 | 13 | 12 | 13 | 13 | 12 | 14 | 15 | 16 | 15 | 14 |
Feels °C | 11 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 9 | 11 | 10 | 10 | 12 | 12 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | — | WNW 10 | W 10 | W 9 | W 9 | WNW 9 | — | — | — | — | — | W 8 | W 8 | W 8 | NW 6 | WNW 7 | WNW 7 | W 8 | W 8 | W 9 | W 9 | WNW 6 |
| kJ | 482 | — | 157 | 117 | 85 | 81 | 101 | — | — | — | — | — | 10 | 10 | 6 | 16 | 5 | 4 | 6 | 6 | 6 | 6 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | W 10 | W 8 | NW 7 | W 10 | W 10 | W 10 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 5 | 2 | 2 | 2 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 8 | W 10 | — | — | — | — | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | — | NW 10 | NNW 9 | NNW 4 | NNW 4 | NNW 4 | N 4 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 6 | NW 6 | NW 6 | — | NW 6 | NW 5 | NW 5 | WNW 5 | WNW 6 | NW 6 | — |
| kJ | — | 452 | 172 | 42 | 35 | 25 | 11 | 120 | 112 | 78 | 88 | 65 | 30 | 45 | 30 | — | 11 | 10 | 14 | 11 | 14 | 9 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 176 | 284 | 395 | 433 | 1065 | 278 | 327 | 182 | 327 | 188 | 315 | 327 | 327 | 280 | 197 | 138 | 176 | 140 | 140 | 278 | 294 | 138 | 107 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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