Surf Forecasts:
How big are the waves at Rossnowlagh today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 8ft (2.5m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 8ft (2.5m), 12s period with W swell.
- Evening surf: Evening surf (18 Sep, local time) - 8ft (2.4m), 11s period with W swell.
The current surf forecast for Rossnowlagh at 2PM is: 2.5m 12s primary swell from a West direction (forecast issued at 06:00am September 18). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 8ft (2.5m) | 13s |
| Afternoon (18 Sep) | 8ft (2.5m) | 12s |
| Evening (18 Sep) | 8ft (2.4m) | 11s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Fri morning. Very mild (max 16°C on Fri afternoon, min 12°C on Fri morning). Winds decreasing (fresh winds from the WSW on Sat morning, light winds from the S by Sun night). | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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 13 | WNW 13 | W 13 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | WNW 12 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3344 | 2618 | 2121 | 1836 | 1888 | 1575 | 1351 | 1242 | 1212 | 1432 | 1897 | 1881 | 2184 | 2340 | 2405 | 2284 | 2160 | 1805 | 1513 | 1251 | 1018 | 897 | 833 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-off | cross-off |
High Tide | 10:51AM2.65m | 11:20PM2.32m | 12:02PM2.45m | 00:52AM2.14m | 1:49PM2.41m | ||||||||||||||||||
Low Tide | 5:00PM1.23m | 5:12AM1.33m | 6:33PM1.45m | 6:55AM1.47m | 8:45PM1.41m | ||||||||||||||||||
 | |  | | | |  | |  |  |  | | |  | | | | |  | | | |  | |
 | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — |
mm | — | — | 3 | 3 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 13 | 13 | 12 | 14 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 14 | 13 | 12 |
Feels °C | 9 | 9 | 8 | 11 | 11 | 12 | 11 | 10 | 9 | 6 | 6 | 7 | 7 | 6 | 7 | 7 | 6 | 8 | 9 | 10 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | — | WNW 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | — | 2618 | 2121 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1513 | 1251 | 1018 | 897 | 833 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 13 | — | — | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | WNW 12 | W 12 | — | — | — | — | — |
| kJ | 3344 | — | — | 1836 | 1888 | 1575 | 1351 | 1242 | 1212 | 1432 | 1897 | 1881 | 2184 | 2340 | 2405 | 2284 | 2160 | 1805 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 725 | 106 | 733 | 284 | 284 | 123 | 284 | 725 | 725 | 719 | 725 | 304 | 743 | 284 | 284 | 284 | 277 | 57 | 48 | 48 | 8 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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