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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Thursday 14 May 2026 ISTForecast update in hr min s Forecast update imminent
Rossnowlagh surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rossnowlagh sea temperature is
11.6° C
(Which is slightly warmer than usual)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 8AM is: 1.9m 10s primary swell from a Northwest direction (forecast issued at 12:00am May 14). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 6ft (1.9m) | 10s |
| Afternoon (14 May) | 5ft (1.6m) | 9s |
| Evening (14 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Very mild (max 11°C on Thu afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu morning, calm by Fri night). | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | ||||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 | NW 7 | W 9 | W 7 | WNW 8 | W 7 | WNW 14 | WNW 13 | W 13 | W 12 | W 14 | |
1190 | 918 | 784 | 597 | 520 | 393 | 311 | 220 | 176 | 129 | 107 | 91 | 59 | 50 | 27 | 24 | 15 | 22 | 24 | 41 | 60 | 123 | 505 | 501 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | on | on | on | |
High Tide | 4:12AM3.33m | 4:52PM3.18m | 4:59AM3.52m | 5:34PM3.43m | 5:46AM3.64m | 6:17PM3.62m | ||||||||||||||||||
Low Tide | 10:01PM0.78m | 10:36AM0.28m | 10:48PM0.52m | 11:17AM0.08m | 11:33PM0.28m | 11:58AM-0.03m | ||||||||||||||||||
 | |  | |  | | |  | | | | | | | | | | |  | | |  | | | |
 | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:32 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 8 | 8 | 8 | 9 | 10 | 11 | 10 | 8 | 9 | 8 | 8 | 9 | 10 | 11 | 10 | 8 | 8 | 8 | 7 | 8 | 10 | 10 | 10 | 9 |
1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 6 | 5 | 5 | 6 | 8 | 6 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 9 | W 10 | NW 8 | NW 8 | WNW 8 | NW 7 | W 9 | W 7 | WNW 7 | W 7 | W 7 | W 8 | W 7 | — | W 14 |
 kJ | — | — | — | — | — | — | — | — | — | 2 | 2 | 91 | 59 | 50 | 27 | 24 | 15 | 15 | 24 | 26 | 42 | 92 | — | 501 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | W 9 | W 7 | NW 7 | NW 7 | WNW 8 | W 8 | WNW 8 | WNW 13 | W 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 7 | 6 | 6 | 8 | 14 | 14 | 22 | 12 | 14 | 60 | 123 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | WNW 6 | W 9 | W 16 | W 15 | WNW 14 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | 8 | 13 | 5 | 17 | 41 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 7 |
| kJ | 1190 | 918 | 784 | 597 | 520 | 393 | 311 | 220 | 176 | 129 | 107 | — | — | — | — | — | — | — | — | — | — | — | 505 | 124 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 548 | 834 | 571 | 645 | 1227 | 1283 | 834 | 360 | 325 | 327 | 182 | 327 | 23 | 279 | 279 | 30 | 28 | 28 | 9 | 8 | 0 | 106 | 106 | 106 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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