Surf Forecasts:
How big are the waves at Rossnowlagh today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 8ft (2.5m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6.5ft (2.0m), 11s period with W swell.
- Evening surf: Evening surf (20 Sep, local time) - 5.5ft (1.7m), 12s period with WNW swell.
The current surf forecast for Rossnowlagh at 3PM is: 2.0m 11s primary swell from a West direction (forecast issued at 06:00am September 20). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 8ft (2.5m) | 12s |
| Afternoon (20 Sep) | 6.5ft (2.0m) | 11s |
| Evening (20 Sep) | 5.5ft (1.7m) | 12s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Warm (max 21°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 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 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | W 12 | WNW 12 | W 12 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 14 | W 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2124 | 1671 | 1343 | 1083 | 961 | 882 | 847 | 661 | 494 | 472 | 397 | 297 | 233 | 212 | 234 | 277 | 345 | 520 | 442 | 372 | 220 | 1179 | 1484 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | glassy | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | on | cross-on | glassy | glassy | glassy |
High Tide | 1:49PM2.41m | 2:43AM2.19m | 3:18PM2.58m | 3:54AM2.38m | 4:11PM2.85m | ||||||||||||||||||
Low Tide | 8:45PM1.41m | 8:50AM1.37m | 9:54PM1.19m | 9:50AM1.14m | |||||||||||||||||||
 | |  |  |  | |  |  |  | | | | | | | | | | | |  | | | |
 | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:32 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 |
Temp °C | 13 | 12 | 13 | 13 | 13 | 14 | 13 | 13 | 14 | 16 | 17 | 20 | 21 | 19 | 17 | 16 | 15 | 15 | 13 | 12 | 12 | 12 | 12 |
Feels °C | 7 | 7 | 9 | 9 | 11 | 13 | 10 | 10 | 13 | 16 | 16 | 19 | 19 | 18 | 16 | 16 | 14 | 14 | 12 | 11 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | WNW 12 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | W 12 | WNW 12 | W 12 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 14 | W 14 |
| kJ | — | — | 1343 | 1083 | 961 | 882 | 847 | 661 | 494 | 472 | 397 | 297 | 233 | 212 | 234 | 277 | 345 | 520 | 442 | 372 | 220 | 1179 | 1484 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 20 | W 18 | W 14 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 58 | 206 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 17 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 142 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | WNW 12 | — | — | — | — | — | — | SSW 3 | — | SSW 3 | SSW 3 | — | SSW 2 | — | — | — | — | — | — | — | — | — |
| kJ | 2124 | 1671 | — | — | — | — | — | — | 3 | — | 2 | 2 | — | 1 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 284 | 278 | 249 | 48 | 48 | 0 | 0 | 0 | 8 | 8 | 8 | 8 | 48 | 8 | 8 | 8 | 0 | 8 | 114 | 23 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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