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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Monday 04 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
11.8° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 5PM is: 0.5m 9s primary swell from a West-northwest direction and 0.1m 8s secondary swell from a North direction (forecast issued at 12:00pm May 04). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 2.5ft (0.7m) | 9s |
| Afternoon (04 May) | 1.5ft (0.5m) | 9s |
| Evening (04 May) | 1.5ft (0.5m) | 8s |
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 11°C on Mon morning, min 5°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 7 | WNW 7 | |
71 | 70 | 45 | 43 | 39 | 45 | 58 | 55 | 51 | 57 | 164 | 148 | 99 | 90 | 70 | 74 | 45 | 44 | 36 | 24 | 24 | 23 | 14 | 10 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | glassy | on | cross-on | cross | cross-on | cross-on | cross | cross-off | glassy | glassy | glassy | cross-on | on | on | cross-on | glassy | glassy | glassy | cross-off | |
High Tide | 7:57AM3.11m | 8:15PM3.30m | 8:31AM2.94m | 8:50PM3.17m | 9:07AM2.75m | 9:30PM3.01m | ||||||||||||||||||
Low Tide | 1:53PM0.47m | 2:21AM0.57m | 2:25PM0.62m | 2:58AM0.75m | 2:59PM0.78m | 3:39AM0.95m | ||||||||||||||||||
 | | |  |  |  | |  | | | | |  | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:15 | — | — | — | 9:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 11 | 11 | 9 | 9 | 10 | 9 | 10 | 11 | 11 | 10 | 6 | 5 | 5 | 6 | 8 | 9 | 9 | 9 | 7 | 6 | 5 | 5 |
7 | 7 | 7 | 7 | 6 | 7 | 7 | 6 | 5 | 6 | 5 | 5 | 2 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 2 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 11 | — | WNW 9 | WNW 9 | WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 7 | WNW 7 |
 kJ | 71 | 70 | 45 | 43 | 39 | 45 | 58 | 55 | 51 | 22 | — | 148 | 99 | 90 | 70 | 74 | 45 | 44 | 36 | 24 | 24 | 23 | 14 | 10 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | — | N 8 | NW 7 | — | W 11 | WNW 11 | — | — | — | — | — | — | NW 11 | NW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 9 |
| kJ | 1 | 1 | 1 | — | 1 | 2 | — | 2 | 12 | — | — | — | — | — | — | 4 | 4 | 10 | 10 | 10 | 9 | 9 | 9 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NNW 2 | NW 8 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | SSW 2 |
| kJ | — | — | — | — | — | — | — | — | 1 | 57 | 164 | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 84 | 406 | 246 | 106 | 84 | 138 | 138 | 197 | 197 | 279 | 733 | 23 | 23 | 23 | 8 | 65 | 66 | 84 | 269 | 23 | 28 | 28 | 28 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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