Surf Forecasts:
How big are the waves at Rossnowlagh today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 4ft (1.2m), 8s period with W swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.3m), 9s period with W swell.
- Evening surf: Evening surf (11 Sep, local time) - 4.5ft (1.3m), 10s period with WNW swell.
The current surf forecast for Rossnowlagh at 7PM is: 1.2m 9s primary swell from a West direction and 0.5m 12s secondary swell from a West-northwest direction (forecast issued at 12:00pm September 11). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 4ft (1.2m) | 8s |
| Afternoon (11 Sep) | 4.5ft (1.3m) | 9s |
| Evening (11 Sep) | 4.5ft (1.3m) | 10s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Fri night. Very mild (max 18°C on Sun afternoon, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||
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) | W 8 | W 9 | WNW 9 | W 9 | WNW 10 | WNW 13 | W 13 | W 11 | W 11 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 205 | 251 | 276 | 246 | 385 | 724 | 851 | 1107 | 1126 | 959 | 897 | 730 | 647 | 559 | 387 | 313 | 260 | 210 | 137 | 109 | 105 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | glassy | on | glassy | glassy | cross | cross | cross | cross |
High Tide | 6:50PM4.01m | 7:14AM3.52m | 7:27PM3.96m | 7:48AM3.52m | 8:02PM3.80m | ||||||||||||||||
Low Tide | 12:28PM0.08m | 1:02AM-0.12m | 1:05PM0.02m | 1:35AM-0.08m | 1:41PM0.06m | ||||||||||||||||
 |  | | |  |  |  |  | | | | |  | | | | | | | | | |
 | 6:56 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — |
 | — | — | — | 8:00 | — | — | — | — | — | — | — | 7:58 | — | — | — | — | — | — | — | 7:55 | — |
mm | — | — | — | — | — | 1 | 10 | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 15 | 13 | 13 | 14 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 12 | 16 | 17 | 18 | 16 |
Feels °C | 11 | 12 | 13 | 12 | 8 | 8 | 11 | 14 | 14 | 15 | 15 | 15 | 14 | 13 | 11 | 11 | 11 | 15 | 16 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 9 | WNW 9 | W 9 | WNW 10 | WNW 13 | W 13 | — | W 11 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 205 | 251 | 276 | 246 | 385 | 724 | 851 | — | 1126 | 959 | 897 | 730 | 647 | 559 | 387 | 313 | 260 | 210 | 137 | 109 | 105 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WNW 12 | WNW 15 | — | — | — | — | — | — | — | — | — | WSW 10 | WSW 10 | WSW 10 | W 10 | WSW 10 | WSW 9 | WSW 9 |
| kJ | — | — | — | 81 | 46 | — | — | — | — | — | — | — | — | — | 33 | 32 | 19 | 48 | 31 | 26 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 3 | S 4 | SSW 4 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | S 2 |
| kJ | — | — | — | — | 4 | 18 | 29 | 1107 | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 48 | 48 | 8 | 48 | 81 | 107 | 284 | 284 | 73 | 73 | 73 | 23 | 23 | 0 | 30 | 0 | 0 | 8 | 8 | 8 | 8 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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