Surf Forecasts:
How big are the waves at Rossnowlagh today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 1.5ft (0.5m), 5s period with NW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 7s period with NW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2ft (0.6m), 7s period with NW swell.
The current surf forecast for Rossnowlagh at 7PM is: 0.6m 7s primary swell from a Northwest direction and 0.1m 8s secondary swell from a West direction, 0.1m 10s secondary swell from a West direction (forecast issued at 12:00pm July 18). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 1.5ft (0.5m) | 5s |
| Afternoon (18 Jul) | 2ft (0.6m) | 7s |
| Evening (18 Jul) | 2ft (0.6m) | 7s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sun morning, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||||
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 5 | NW 5 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | W 12 | NW 7 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 13 | 13 | 33 | 37 | 35 | 36 | 29 | 29 | 23 | 16 | 22 | 25 | 22 | 21 | 37 | 37 | 35 | 35 | 35 | 34 | 32 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:27AM3.16m | 9:45PM3.78m | 10:12AM3.01m | 10:30PM3.51m | 10:59AM2.85m | ||||||||||||||||
Low Tide | 3:12PM0.28m | 4:01AM0.30m | 3:57PM0.49m | 4:45AM0.53m | 4:44PM0.73m | ||||||||||||||||
 | |  | |  | |  | | | | |  | |  | | | | | | | | |
 | 5:20 | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | 9:57 | — | — | — | — | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:53 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 16 | 13 | 12 | 11 | 11 | 14 | 18 | 18 | 17 | 15 | 14 | 13 | 13 | 14 | 16 | 16 | 15 | 13 |
Feels °C | 12 | 11 | 12 | 13 | 12 | 12 | 10 | 10 | 13 | 15 | 14 | 14 | 14 | 14 | 12 | 11 | 12 | 13 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | NW 7 | W 8 | W 8 | W 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | W 9 | W 12 | W 11 | NW 6 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 |
| kJ | 12 | 9 | 1 | 1 | 1 | 36 | 29 | 29 | 23 | 16 | 6 | 25 | 22 | 10 | 37 | 37 | 35 | 35 | 35 | 34 | 32 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 12 | W 8 | W 8 | W 11 | — | NW 6 | — | — | — | — | — |
| kJ | 5 | 4 | 2 | 2 | 2 | 7 | 7 | 6 | 6 | 6 | 11 | 5 | 6 | 21 | — | 6 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 14 | W 14 | W 8 | W 13 | W 13 | W 13 | W 12 | — | — | — | W 9 | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 4 | 1 | 3 | 3 | 12 | 11 | — | — | — | 6 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | NW 7 | NW 7 | NW 7 | — | — | — | — | — | NW 7 | NW 7 | NW 7 | — | NW 6 | NW 3 | NW 6 | NW 5 | NW 3 | NW 3 | NW 6 |
| kJ | 13 | 13 | 33 | 37 | 35 | — | — | — | — | — | 22 | 22 | 21 | — | 6 | 3 | 9 | 14 | 5 | 6 | 19 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 312 | 378 | 378 | 378 | 378 | 36 | 249 | 36 | 23 | 312 | 84 | 338 | 23 | 23 | 138 | 197 | 249 | 296 | 197 | 197 | 197 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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