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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Wednesday 27 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 1.6°C warmer than normal for this time of year)How big are the waves at Rossnowlagh today (27 May):
- Morning surf: Morning surf (27 May, local time) - 2.5ft (0.7m), 10s period with W swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 2ft (0.6m), 10s period with W swell.
- Evening surf: Evening surf (27 May, local time) - 1.5ft (0.5m), 9s period with W swell.
The current surf forecast for Rossnowlagh at 6PM is: 0.5m 10s primary swell from a West direction (forecast issued at 12:00pm May 27). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 2.5ft (0.7m) | 10s |
| Afternoon (27 May) | 2ft (0.6m) | 10s |
| Evening (27 May) | 1.5ft (0.5m) | 9s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 24°C on Wed afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | SSW 4 | WSW 4 | WSW 5 | W 6 | W 7 | W 7 | WNW 8 | W 7 | WNW 7 | WNW 7 | |
73 | 71 | 49 | 47 | 44 | 26 | 25 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 31 | 66 | 112 | 126 | 108 | 94 | 70 | 57 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | cross-off | cross-off | cross | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | |
High Tide | 4:26PM2.91m | 4:34AM3.07m | 5:06PM3.06m | 5:15AM3.07m | 5:42PM3.18m | 5:54AM3.08m | ||||||||||||||||||
Low Tide | 10:09AM0.62m | 10:23PM0.84m | 10:47AM0.56m | 11:05PM0.72m | 11:21AM0.51m | 11:43PM0.63m | ||||||||||||||||||
 |  | | |  | |  | | |  | | |  |  | | | |  | | | | | | | |
 | 5:09 | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — |
 | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:52 | — | — | — | 9:53 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 17 | 21 | 24 | 22 | 17 | 15 | 14 | 14 | 16 | 17 | 19 | 18 | 15 | 13 | 13 | 13 | 14 | 14 | 16 | 16 | 14 | 12 | 12 | 12 |
14 | 19 | 23 | 21 | 15 | 13 | 12 | 11 | 14 | 15 | 18 | 17 | 14 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 10 | WNW 9 | WNW 9 | W 12 | W 7 | WNW 8 | W 7 | WNW 7 | WNW 7 |
 kJ | 73 | 71 | 49 | 47 | 44 | 26 | 25 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 9 | 8 | 8 | 11 | 108 | 94 | 70 | 57 | 28 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 18 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | N 6 | N 6 | W 10 | WNW 10 | W 14 | — | W 12 | W 18 | W 11 | W 10 | W 17 | W 16 | WSW 8 |
| kJ | — | — | — | — | 6 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 10 | 4 | — | 3 | 7 | 9 | 8 | 6 | 5 | 19 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 18 | — | — | — | — | — | — | W 16 | W 16 | W 15 | — | — | W 19 | — | W 18 | W 17 | — | W 11 | W 15 |
| kJ | — | — | — | — | — | 6 | — | — | — | — | — | — | 5 | 5 | 5 | — | — | 7 | — | 6 | 6 | — | 2 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 2 | ESE 3 | ESE 3 | ESE 3 | ESE 2 | — | — | — | — | S 3 | SSW 4 | WSW 4 | WSW 5 | W 6 | W 7 | — | — | — | — | SSE 3 |
| kJ | — | — | — | — | 1 | 1 | 2 | 1 | 1 | — | — | — | — | 5 | 11 | 31 | 66 | 112 | 126 | — | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 21 | 23 | 31 | 38 | 34 | 34 | 38 | 177 | 431 | 520 | 733 | 378 | 383 | 402 | 107 | 73 | 279 | 497 | 73 | 8 | 8 | 9 | 9 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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