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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Saturday 25 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 10PM is: 0.1m 9s primary swell from a West direction and 0.1m 7s secondary swell from a North direction (forecast issued at 06:00pm April 25). The wind direction is predicted to be glassy.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | - | - |
| Afternoon (25 Apr) | 0.5ft (0.1m) | 11s |
| Evening (25 Apr) | 0.5ft (0.1m) | 9s |
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 17°C on Sat afternoon, min 9°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 10 | W 10 | W 10 | 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 | |
2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 3 | 3 | 2 | 2 | 8 | 20 | 40 | 67 | 99 | 127 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | glassy | glassy | glassy | glassy | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross | glassy | glassy | off | off | glassy | |
High Tide | 2:09PM2.44m | 2:29AM3.05m | 3:23PM2.59m | 3:34AM3.18m | 4:18PM2.81m | 4:25AM3.31m | ||||||||||||||||||
Low Tide | 7:58PM1.15m | 9:15AM0.76m | 9:13PM1.00m | 10:08AM0.58m | 10:08PM0.82m | 10:48AM0.42m | ||||||||||||||||||
 |  |  | | | |  | | | |  | |  | | | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — |
 | — | 8:53 | — | — | — | — | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:58 | — | — | — | — | — | 9:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 15 | 13 | 12 | 11 | 11 | 12 | 13 | 13 | 12 | 11 | 10 | 9 | 9 | 11 | 12 | 13 | 13 | 11 | 10 | 9 | 9 | 12 | 16 |
15 | 13 | 12 | 11 | 10 | 11 | 11 | 10 | 10 | 9 | 10 | 9 | 7 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 7 | 7 | 10 | 15 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | N 7 | N 7 | N 7 | W 8 | N 7 | N 7 | N 7 | W 10 | W 10 | W 9 | W 9 | W 4 | W 4 | W 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 15 | W 15 | W 14 | W 13 |
 kJ | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 40 | 67 | 99 | 127 |
Swell 2 Height (m) Direction Period (s) | — | N 8 | W 9 | W 9 | W 9 | N 7 | W 5 | W 6 | W 10 | N 10 | N 10 | NW 9 | N 9 | W 8 | W 8 | W 8 | W 11 | W 11 | W 10 | W 10 | WNW 5 | WNW 5 | WNW 5 | WNW 5 |
| kJ | — | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 8 | 8 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 8 | W 8 | — | — | — | — | — | N 9 | W 12 | W 12 | W 8 | W 8 | W 17 | W 16 | W 10 | W 9 | W 9 | W 9 |
| kJ | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 2 | 3 | 3 | 1 | 1 | 5 | 20 | 8 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 5 | — | W 3 | W 3 | W 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 226 | 231 | 231 | 231 | 277 | 277 | 277 | 355 | 294 | 65 | 65 | 65 | 65 | 30 | 73 | 225 | 138 | 296 | 63 | 63 | 9 | 8 | 0 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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