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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Friday 29 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
13.3° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Rossnowlagh today (29 May):
- Afternoon surf: Afternoon surf (29 May, local time) - 3.5ft (1.1m), 8s period with W swell.
- Evening surf: Evening surf (29 May, local time) - 3ft (0.9m), 8s period with W swell.
The current surf forecast for Rossnowlagh at 9PM is: 0.9m 8s primary swell from a West direction and 0.2m 10s secondary swell from a West direction (forecast issued at 06:00pm May 29). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | - | - |
| Afternoon (29 May) | 3.5ft (1.1m) | 8s |
| Evening (29 May) | 3ft (0.9m) | 8s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Sat morning. Very mild (max 16°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 8 | W 7 | WNW 8 | W 8 | W 8 | W 8 | W 10 | W 10 | W 12 | W 12 | W 11 | WSW 13 | WSW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | W 11 | W 11 | W 11 | W 11 | |
137 | 85 | 99 | 74 | 55 | 29 | 70 | 94 | 228 | 177 | 166 | 218 | 244 | 235 | 305 | 295 | 280 | 214 | 206 | 166 | 123 | 116 | 82 | 83 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | glassy | cross-off | cross-off | cross-off | cross | cross-on | |
High Tide | 5:42PM3.18m | 5:54AM3.08m | 6:16PM3.26m | 6:30AM3.07m | 6:51PM3.31m | 7:06AM3.04m | ||||||||||||||||||
Low Tide | 11:43PM0.63m | 11:54AM0.49m | 00:20AM0.56m | 12:28PM0.48m | 00:56AM0.53m | |||||||||||||||||||
 | |  | | |  |  | | | |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — |
 | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | — | — | — | — | 9:55 | — | — | — | — | — | 9:57 |
— | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 13 | 12 | 13 | 12 | 12 | 13 | 14 | 15 | 13 | 12 | 12 | 12 | 13 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 14 | 16 |
11 | 13 | 12 | 10 | 11 | 9 | 10 | 10 | 12 | 13 | 11 | 10 | 10 | 9 | 9 | 11 | 12 | 12 | 13 | 11 | 11 | 11 | 13 | 15 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 7 | WNW 8 | W 8 | W 8 | W 8 | W 10 | W 10 | W 12 | W 12 | W 11 | WSW 13 | WSW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | W 11 | W 11 | W 11 | W 11 |
 kJ | 11 | 85 | 99 | 74 | 55 | 29 | 70 | 94 | 228 | 177 | 166 | 218 | 244 | 235 | 305 | 295 | 280 | 214 | 206 | 166 | 123 | 116 | 82 | 83 |
Swell 2 Height (m) Direction Period (s) | W 18 | WNW 8 | W 10 | W 17 | W 16 | WNW 7 | NW 7 | W 13 | WNW 7 | NW 7 | NW 7 | NW 10 | NW 11 | NW 10 | NW 10 | — | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 |
| kJ | 7 | 26 | 8 | 6 | 5 | 21 | 12 | 82 | 5 | 2 | 2 | 4 | 4 | 4 | 4 | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | W 11 | W 17 | — | — | W 16 | W 14 | WNW 7 | — | NW 11 | NW 10 | W 7 | — | — | — | NW 10 | — | — | — | — | — | — | — | — |
| kJ | — | 9 | 6 | — | — | 5 | 16 | 5 | — | 5 | 4 | 1 | — | — | — | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | — | — | — | — | S 2 | SSE 3 | SSE 3 | S 3 | S 3 | SSW 3 | — | — | SW 3 | SSW 3 | — | — | — | — | — | — | — | — | — |
| kJ | 137 | — | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 73 | 73 | 8 | 8 | 9 | 9 | 8 | 0 | 0 | 8 | 8 | 8 | 8 | 42 | 48 | 286 | 285 | 73 | 0 | 0 | 0 | 0 | 8 | 42 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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