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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Thursday 23 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
10.4° C
(Which is slightly warmer than usual)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 11PM is: 0.1m 9s primary swell from a West direction (forecast issued at 06:00pm April 23). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| Afternoon (23 Apr) | 0.5ft (0.1m) | 9s |
| Evening (23 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 18°C on Fri afternoon, min 8°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 9 | W 10 | W 9 | W 9 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 14 | W 14 | W 13 | W 12 | W 11 | W 11 | W 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | |
2 | 2 | 2 | 2 | 4 | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | |
High Tide | 11:43PM3.05m | 12:37PM2.44m | 1:08AM2.98m | 2:09PM2.44m | 2:29AM3.05m | |||||||||||||||||||
Low Tide | 4:56PM0.96m | 6:18AM0.92m | 6:21PM1.15m | 7:59AM0.92m | 7:58PM1.15m | 9:15AM0.76m | ||||||||||||||||||
 |  |  | | | | | | | |  | | |  | | | | |  | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — | — |
 | — | 8:50 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | 8:55 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 13 | 10 | 9 | 9 | 8 | 11 | 16 | 18 | 16 | 12 | 10 | 9 | 9 | 11 | 12 | 14 | 15 | 13 | 12 | 11 | 10 | 13 | 14 |
10 | 9 | 7 | 5 | 5 | 4 | 7 | 11 | 14 | 13 | 9 | 7 | 6 | 6 | 8 | 10 | 13 | 14 | 13 | 11 | 10 | 9 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 10 | W 9 | W 9 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 14 | W 14 | W 13 | W 12 | W 11 | W 11 | W 10 | W 10 | N 7 | NW 7 | N 7 | W 8 | NW 7 | N 7 |
 kJ | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 9 | W 9 | W 9 | W 8 | — | — | — | — | — | — | — | — | — | N 8 | W 9 | W 9 | W 9 | NW 7 | W 8 | W 5 |
| kJ | — | — | — | — | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | ESE 2 | ESE 2 | — | ESE 2 | ESE 2 | ESE 2 | ESE 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 309 | 284 | 276 | 176 | 176 | 176 | 65 | 226 | 202 | 202 | 176 | 138 | 65 | 65 | 176 | 226 | 231 | 231 | 197 | 231 | 228 | 277 | 278 | 278 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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