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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm 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
11.5° C
(Which is slightly warmer than usual)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 6PM is: 1.5m 9s primary swell from a Northwest direction (forecast issued at 12:00pm May 14). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 6ft (1.8m) | 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 5mm), mostly falling on Sat morning. Very mild (max 11°C on Thu morning, min 5°C on Sat night). Winds decreasing (fresh winds from the NNW on Thu morning, light winds from the SSW by Fri night). | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 | NW 8 | W 7 | W 7 | WNW 8 | W 8 | W 8 | W 7 | W 13 | W 12 | W 14 | W 14 | W 13 | W 13 | |
640 | 566 | 393 | 311 | 246 | 180 | 129 | 107 | 91 | 60 | 50 | 28 | 26 | 15 | 44 | 57 | 43 | 103 | 573 | 668 | 1195 | 1487 | 1475 | 1617 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | cross | cross | cross-off | cross-off | on | on | on | on | cross-on | cross | cross | |
High Tide | 4:52PM3.18m | 4:59AM3.52m | 5:34PM3.43m | 5:46AM3.64m | 6:17PM3.62m | 6:34AM3.67m | ||||||||||||||||||
Low Tide | 10:36AM0.28m | 10:48PM0.52m | 11:17AM0.08m | 11:33PM0.28m | 11:58AM-0.03m | 00:19AM0.10m | ||||||||||||||||||
 |  | |  |  |  | | | | | | | | | | | |  | |  |  | | | | |
 | 5:30 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — |
 | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:32 | — | — | — | 9:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | 1 | — | — | 1 | |
Temp °C | 10 | 11 | 10 | 10 | 8 | 9 | 7 | 8 | 9 | 10 | 11 | 10 | 8 | 8 | 7 | 8 | 9 | 9 | 11 | 10 | 8 | 7 | 5 | 6 |
3 | 3 | 2 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 6 | 4 | 6 | 7 | 5 | 5 | 4 | 3 | 2 | 1 | 2 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | W 9 | W 10 | W 9 | NW 8 | W 9 | NW 8 | W 7 | W 7 | WNW 8 | W 8 | W 8 | W 13 | — | — | — | — | W 13 | W 13 |
 kJ | — | — | — | — | — | — | 2 | 2 | 7 | 60 | 6 | 28 | 26 | 15 | 44 | 57 | 43 | 92 | — | — | — | — | 1475 | 1617 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 9 | — | W 7 | NW 7 | W 9 | W 16 | W 15 | WNW 14 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 6 | — | 15 | 8 | 14 | 5 | 17 | 41 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | NW 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 6 | 14 | 14 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | — | WNW 8 | — | — | — | — | — | SW 3 | W 7 | W 13 | W 12 | W 14 | W 14 | — | — |
| kJ | 640 | 566 | 393 | 311 | 246 | 180 | 129 | 107 | 91 | — | 50 | — | — | — | — | — | 3 | 103 | 573 | 668 | 1195 | 1487 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 628 | 1227 | 1650 | 834 | 800 | 325 | 197 | 197 | 327 | 327 | 279 | 71 | 28 | 28 | 28 | 9 | 8 | 107 | 114 | 123 | 123 | 43 | 8 | 65 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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