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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Sunday 31 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
13.6° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Rossnowlagh today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.0m), 12s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.0m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 3ft (0.9m), 12s period with W swell.
The current surf forecast for Rossnowlagh at 3AM is: 0.9m 12s primary swell from a West-southwest direction and 0.1m 10s secondary swell from a Northwest direction (forecast issued at 12:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.0m) | 12s |
| Afternoon (31 May) | 3.5ft (1.0m) | 12s |
| Evening (31 May) | 3ft (0.9m) | 12s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Very mild (max 16°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 13 | WSW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | WSW 11 | WSW 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | WSW 9 | W 9 | W 5 | W 5 | |
273 | 240 | 289 | 300 | 295 | 280 | 216 | 163 | 166 | 130 | 123 | 114 | 82 | 100 | 125 | 122 | 92 | 90 | 85 | 63 | 29 | 134 | 43 | 52 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross-off | cross | cross | cross-off | cross | on | cross-on | cross-on | on | on | on | on | on | on | on | |
High Tide | 6:30AM3.07m | 6:51PM3.31m | 7:06AM3.04m | 7:26PM3.32m | 7:42AM2.97m | 8:02PM3.30m | ||||||||||||||||||
Low Tide | 00:20AM0.56m | 12:28PM0.48m | 00:56AM0.53m | 1:02PM0.49m | 1:32AM0.56m | 1:36PM0.53m | ||||||||||||||||||
 | |  | | | | | |  | | | |  | | | | | |  | | |  | | | |
 | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:55 | — | — | — | — | — | — | — | 9:57 | — | — | — | — | — | — | — | 9:58 | — |
— | — | — | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 14 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 15 | 15 | 16 | 15 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
10 | 9 | 8 | 11 | 12 | 14 | 14 | 12 | 12 | 12 | 12 | 14 | 14 | 15 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | WSW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 12 | WSW 11 | WSW 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | WSW 9 | W 17 | W 16 | W 16 |
 kJ | 4 | 240 | 289 | 300 | 295 | 280 | 216 | 163 | 166 | 130 | 123 | 114 | 82 | 100 | 125 | 122 | 92 | 90 | 85 | 63 | 29 | 6 | 21 | 44 |
Swell 2 Height (m) Direction Period (s) | W 7 | NW 10 | NW 10 | — | — | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 4 | 4 | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 13 | — | — | — | — | — | — | — | S 2 | — | — | — | — | SSW 2 | — | — | — | — | — | W 4 | W 5 | W 9 | W 5 | W 5 |
| kJ | 273 | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | 12 | 22 | 134 | 43 | 52 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 73 | 73 | 73 | 73 | 73 | 73 | 21 | 8 | 0 | 0 | 8 | 8 | 8 | 8 | 73 | 42 | 36 | 38 | 42 | 293 | 66 | 304 | 304 | 73 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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