Surf Forecasts:
How big are the waves at Rossnowlagh today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with NW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 6s period with NW swell.
The current surf forecast for Rossnowlagh at 1PM is: 0.8m 7s primary swell from a Northwest direction (forecast issued at 06:00am August 21). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.7m) | 8s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 6s |
| Evening (21 Aug) | 2ft (0.6m) | 6s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Very mild (max 17°C on Sun afternoon, min 11°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | NW 8 | NW 8 | NW 8 | NW 7 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | NW 6 | NW 5 | NW 5 | WNW 6 | W 9 | W 8 | WNW 6 | W 9 | WNW 9 | W 9 | WNW 9 | WNW 8 | WNW 8 | NW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 112 | 78 | 64 | 75 | 45 | 38 | 30 | 14 | 7 | 11 | 10 | 7 | 15 | 6 | 6 | 4 | 6 | 8 | 6 | 8 | 25 | 13 | 13 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | on | cross-on | glassy | glassy | glassy | cross-on | on | on | glassy | glassy |
High Tide | 12:54PM2.45m | 1:36AM2.26m | 2:30PM2.44m | 3:13AM2.29m | 3:52PM2.60m | ||||||||||||||||||
Low Tide | 7:19PM1.40m | 7:53AM1.38m | 9:08PM1.36m | 9:23AM1.28m | |||||||||||||||||||
 |  |  |  | | |  | | |  | | | | |  | | |  | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:46 | — |
mm | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 16 | 14 | 13 | 13 | 12 | 14 | 16 | 17 | 17 | 15 |
Feels °C | 9 | 9 | 9 | 11 | 10 | 10 | 10 | 11 | 10 | 11 | 11 | 13 | 13 | 14 | 13 | 13 | 13 | 12 | 13 | 14 | 15 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | NW 8 | — | W 8 | W 8 | W 8 | NW 5 | NW 5 | W 8 | NW 5 | W 8 | W 9 | WNW 6 | WNW 4 | WNW 4 | WNW 6 | WNW 6 | WNW 5 | WNW 5 | WNW 8 | WNW 8 | NW 7 |
| kJ | — | — | 64 | — | 10 | 10 | 6 | 14 | 7 | 5 | 10 | 6 | 6 | 4 | 3 | 1 | 6 | 6 | 6 | 3 | 25 | 13 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 7 | WNW 7 | NW 7 | W 8 | W 10 | W 10 | W 9 | WNW 6 | WNW 6 | W 9 | WNW 9 | W 9 | WNW 9 | W 11 | NW 7 | WNW 8 |
| kJ | — | — | — | — | — | — | — | 9 | 5 | 2 | 6 | 2 | 2 | 6 | 4 | 4 | 6 | 8 | 6 | 8 | 3 | 7 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 10 | W 10 | W 10 | NW 7 | — | — | W 10 | W 8 | W 10 | W 7 | W 9 | — | NW 7 | — | NW 11 | WNW 11 |
| kJ | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | — | — | 2 | 6 | 2 | 1 | 2 | — | 2 | — | 5 | 11 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 8 | N 3 | NW 7 | NW 6 | NW 6 | NW 6 | — | — | NW 6 | — | NW 5 | WNW 6 | WNW 3 | — | — | — | — | — | — | — | — | — |
| kJ | 112 | 78 | 3 | 75 | 45 | 38 | 30 | — | — | 11 | — | 7 | 15 | 2 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 327 | 396 | 327 | 327 | 327 | 280 | 327 | 187 | 176 | 197 | 140 | 278 | 296 | 294 | 140 | 280 | 138 | 138 | 107 | 107 | 37 | 34 | 23 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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