Surf forecast · Ireland · Donegal
Surf forecast Rossnowlagh today
Waves, swell and wind at Rossnowlagh (Donegal, Ireland) today and for the next 3 days, every 3 hours of daylight, with a plain verdict per day — flat, small, fun, good or big, offshore or onshore — and the best window to paddle out.
These numbers are more than 7 hours old, so they are hidden. Open the live waves map for the current sea. Open the waves map centred on Rossnowlagh
Right now
Big onshore.
Rossnowlagh surf forecast, next 3 days
- Flat
- Small
- Fun
- Good
- Big
Saturday 24 October
No daylight hours left today: see tomorrow.
Sunday 25 October
Big Best window 10:00–13:00: big, onshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 5.3 m · 11 s ↑WNW | 0.6 m · 14 s ↑W | 43–78 km/h ↑WNW onshore |
| 12:00 | 4.8 m · 11 s ↑WNW | 0.6 m · 12 s ↑NW | 34–61 km/h ↑WNW onshore |
| 15:00 | 4.4 m · 10 s ↑WNW | 1.0 m · 12 s ↑NW | 37–67 km/h ↑WNW onshore |
Monday 26 October
Good Best window 07:00–10:00: good, offshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 1.7 m · 10 s ↑WNW | 1.7 m · 9 s ↑WNW | 30–52 km/h ↑SE offshore |
| 12:00 | 1.5 m · 10 s ↑WNW | 1.5 m · 9 s ↑WNW | 21–37 km/h ↑SSE cross-shore |
| 15:00 | 1.5 m · 8 s ↑W | 1.3 m · 9 s ↑WNW | 26–48 km/h ↑S cross-shore |
Tuesday 27 October
Big Best window 15:00–17:00: big, onshore.
| Time | Waves | Swell | Wind |
|---|---|---|---|
| 09:00 | 3.6 m · 8 s ↑WSW | 0.8 m · 11 s ↑WNW | 46–81 km/h ↑WSW onshore |
| 12:00 | 4.6 m · 10 s ↑W | 0.5 m · 14 s ↑WNW | 41–72 km/h ↑WSW onshore |
| 15:00 | 4.3 m · 10 s ↑W | 1.5 m · 11 s ↑WNW | 33–59 km/h ↑WSW onshore |
Every 3 hours of daylight, local time. Waves = significant height of the whole sea, with the peak period; swell = the long-period part. Arrows point where the waves and the wind are going.
Forecast for Sat 20:00 local time · updated 2026-10-24 19:11 UTC
Waves map around Rossnowlagh
Open the waves map centred on Rossnowlagh
Live significant wave height from NOAA WaveWatch III, averaged over 2° cells: coarser than the forecast above, so near the coast it can differ from it.
More about Rossnowlagh
Water temperature in Bundoran · Tides in Bundoran · Swell map · Wind map
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Questions
- Is there surf at Rossnowlagh today?
- Big: waves 5.9 m at 11 s from W, swell 0.5 m · 14 s NW (Sat 20:00).
- Is the wind offshore at Rossnowlagh?
- Wind 59 km/h from W: onshore for a beach facing W.
- When is the best time to surf Rossnowlagh today?
- No daylight hours are left today; the table shows the next days.
- How warm is the water at Rossnowlagh?
- 13.0 °C
- Where do the numbers come from?
- The Open-Meteo Marine API (wave models of Météo-France, ECMWF and NOAA) for a point just off the beach, and the Open-Meteo forecast for the wind. A model at sea, not a surf report: sandbanks, reefs and tide shape the waves you actually get.
Nearby surf spots
Bundoran (The Peak) 9 km · Mullaghmore 17 km · Strandhill 41 km · Easkey 54 km · Enniscrone 68 km · Portrush 125 km
How it is computed
Hourly Open-Meteo Marine forecast (wave height, peak period and direction, swell) at a point just off Rossnowlagh, and the Open-Meteo wind at 10 m. Size: flat under 0.3 m, small under 0.8 m, fun under 1.5 m, good under 2.5 m (with a period of 8 s or more), big above. Wind: under 8 km/h light; otherwise offshore, cross-shore or onshore from its angle to the direction the beach faces. The best window is the 3 daylight hours with the best mix of size, period and wind. Rebuilt every 3 hours. Live map.