Surf Forecasts:
How big are the waves at Rossnowlagh today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 4ft (1.2m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.1m), 11s period with W swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 10s period with W swell.
The current surf forecast for Rossnowlagh at 2AM is: 1.5m 12s primary swell from a West direction (forecast issued at 06:00pm September 20). 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) | 4ft (1.2m) | 12s |
| Afternoon (21 Sep) | 3.5ft (1.1m) | 11s |
| Evening (21 Sep) | 4ft (1.2m) | 10s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Warm (max 21°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 12 | WNW 12 | W 12 | WNW 12 | WNW 12 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 15 | W 15 | W 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 961 | 882 | 847 | 661 | 494 | 418 | 343 | 297 | 281 | 254 | 282 | 331 | 402 | 556 | 432 | 365 | 428 | 1371 | 1643 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | glassy | 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 | |||||||||||||||
 | |  | | | |  | | | |  | | | | | |  | |  | |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 |
Temp °C | 13 | 13 | 13 | 13 | 14 | 15 | 17 | 20 | 21 | 18 | 17 | 16 | 16 | 15 | 12 | 13 | 13 | 12 | 12 |
Feels °C | 11 | 12 | 10 | 10 | 13 | 15 | 17 | 19 | 19 | 17 | 17 | 15 | 15 | 14 | 11 | 13 | 13 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 12 | WNW 12 | W 12 | WNW 12 | WNW 12 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 11 | W 15 | W 14 |
| kJ | 961 | 882 | 847 | 661 | 494 | 418 | 343 | 297 | 281 | 254 | 282 | 331 | 402 | 556 | 432 | 365 | 220 | 1371 | 1643 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 20 | W 18 | W 15 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 57 | 428 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 3 | SSW 3 | SSW 3 | — | — | SSW 2 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 2 | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 48 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 48 | 48 | 8 | 8 | 8 | 8 | 65 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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