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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Monday 27 Apr 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
10.2° C
(Which is normal for this time of year)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 3AM is: 0.1m 9s primary swell from a West direction and 0.2m 3s secondary swell from a West direction (forecast issued at 12:00am April 27). The wind direction is predicted to be glassy.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 0.5ft (0.1m) | 12s |
| Afternoon (27 Apr) | 0.5ft (0.1m) | 11s |
| Evening (27 Apr) | 0.5ft (0.2m) | 10s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Tue afternoon, min 7°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
W 9 | W 9 | N 9 | W 12 | W 12 | W 11 | W 11 | W 10 | W 16 | W 15 | W 15 | W 14 | W 13 | W 13 | W 13 | W 12 | W 13 | W 12 | W 12 | W 12 | WNW 17 | WNW 16 | WNW 16 | WNW 15 | |
3 | 2 | 2 | 3 | 3 | 2 | 2 | 8 | 20 | 40 | 67 | 99 | 173 | 215 | 260 | 306 | 311 | 248 | 233 | 186 | 428 | 590 | 763 | 725 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | off | |
High Tide | 3:34AM3.18m | 4:18PM2.81m | 4:25AM3.31m | 5:01PM3.02m | 5:07AM3.39m | 5:37PM3.20m | ||||||||||||||||||
Low Tide | 10:08AM0.58m | 10:08PM0.82m | 10:48AM0.42m | 10:53PM0.65m | 11:22AM0.31m | |||||||||||||||||||
 |  |  |  | | | | | |  | |  | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 10 | 11 | 13 | 13 | 13 | 11 | 9 | 9 | 9 | 11 | 14 | 16 | 15 | 11 | 10 | 8 | 7 | 10 | 14 | 15 | 13 | 11 |
9 | 10 | 9 | 9 | 10 | 10 | 10 | 9 | 7 | 7 | 6 | 8 | 11 | 12 | 11 | 9 | 8 | 5 | 4 | 4 | 8 | 9 | 8 | 5 | |
Swell 1 Height (m) Direction Period (s) | W 3 | W 3 | W 4 | W 4 | W 8 | W 5 | W 5 | NW 5 | WNW 5 | W 15 | W 15 | W 14 | W 13 | W 13 | W 13 | W 12 | W 13 | W 12 | W 12 | W 12 | WNW 17 | WNW 16 | WNW 16 | WNW 15 |
 kJ | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 4 | 2 | 40 | 67 | 99 | 173 | 215 | 260 | 306 | 311 | 248 | 233 | 184 | 428 | 590 | 763 | 725 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | W 8 | W 12 | W 11 | W 11 | W 10 | W 10 | WNW 5 | NW 5 | W 9 | W 9 | — | — | — | — | — | WNW 20 | WNW 18 | W 12 | W 12 | W 11 | W 11 |
| kJ | 2 | 2 | 1 | 1 | 3 | 2 | 2 | 8 | 8 | 2 | 4 | 6 | 6 | — | — | — | — | — | 38 | 186 | 177 | 134 | 123 | 58 |
Swell 3 Height (m) Direction Period (s) | NW 9 | N 9 | N 9 | W 12 | N 12 | W 8 | W 8 | W 17 | W 16 | W 10 | W 9 | WNW 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 2 | 2 | 3 | 3 | 1 | 1 | 5 | 20 | 8 | 7 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 5 | — | NNW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 3 |
| kJ | — | — | — | — | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 34 | 57 | 57 | 30 | 140 | 294 | 63 | 63 | 63 | 34 | 9 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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