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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Tuesday 05 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
11.7° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 12AM is: 0.8m 9s primary swell from a West-northwest direction and 0.4m 3s secondary swell from a North direction (forecast issued at 06:00pm May 05). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 2ft (0.6m) | 8s |
| Afternoon (06 May) | 1.5ft (0.5m) | 8s |
| Evening (06 May) | 1.5ft (0.4m) | 8s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 12°C on Tue afternoon, min 5°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | W 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 13 | |
107 | 96 | 90 | 99 | 67 | 65 | 46 | 44 | 36 | 24 | 24 | 23 | 11 | 18 | 16 | 31 | 162 | 242 | 248 | 177 | 216 | 197 | 164 | 538 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-off | glassy | glassy | glassy | glassy | on | on | cross-on | glassy | glassy | cross-off | cross-off | cross | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 8:50PM3.17m | 9:07AM2.75m | 9:30PM3.01m | 9:47AM2.55m | 10:17PM2.85m | 10:37AM2.37m | ||||||||||||||||||
Low Tide | 2:25PM0.62m | 2:58AM0.75m | 2:59PM0.78m | 3:39AM0.95m | 3:37PM0.95m | 4:29AM1.14m | ||||||||||||||||||
 |  |  | | | | | | | | |  | | | |  |  | | | | | | | | |
 | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — |
 | — | 9:13 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | 9:17 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 6 | 5 | 5 | 5 | 8 | 9 | 10 | 10 | 7 | 6 | 5 | 5 | 9 | 12 | 12 | 10 | 9 | 8 | 7 | 8 | 10 | 10 |
6 | 6 | 2 | 2 | 3 | 3 | 6 | 5 | 6 | 6 | 4 | 3 | 1 | 1 | 5 | 7 | 8 | 6 | 6 | 5 | 4 | 5 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | W 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 13 |
 kJ | 107 | 96 | 90 | 99 | 67 | 65 | 46 | 44 | 36 | 24 | 24 | 23 | 11 | 18 | 16 | 31 | 162 | 242 | 248 | 177 | 216 | 197 | 164 | 538 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | NW 11 | NW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 9 | NW 10 | NW 9 | WNW 12 | — | W 16 | NW 13 | NW 14 | NW 14 | NW 13 | W 13 |
| kJ | — | — | — | — | 5 | 4 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 3 | 4 | 14 | 31 | — | 5 | 46 | 49 | 89 | 138 | 56 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 14 | — | — | — | W 15 | W 15 | W 14 | W 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | 19 | 17 | 37 | 35 | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | N 3 | — | — | — | — | — | — | — | — | — | SSW 2 | SSW 2 | SSW 3 | SSW 3 | — | — | — | — | — | — | — | — |
| kJ | 4 | 3 | 3 | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 8 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 425 | 425 | 23 | 8 | 9 | 9 | 9 | 101 | 36 | 71 | 23 | 28 | 28 | 28 | 57 | 48 | 106 | 106 | 73 | 48 | 73 | 84 | 138 | 197 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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