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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 am Wednesday 13 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
11.6° C
(Which is slightly warmer than usual)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 1PM is: 3.0m 12s primary swell from a West-northwest direction (forecast issued at 06:00am May 13). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 11ft (3.5m) | 12s |
| Afternoon (13 May) | 10ft (3.0m) | 12s |
| Evening (13 May) | 8ft (2.5m) | 11s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Thu morning. Very mild (max 10°C on Wed morning, min 6°C on Fri night). Winds decreasing (fresh winds from the NW on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | |
2745 | 3124 | 2897 | 2421 | 2072 | 1888 | 1552 | 1190 | 953 | 739 | 557 | 384 | 335 | 376 | 269 | 143 | 103 | 125 | 76 | 74 | 70 | 67 | 60 | 58 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | glassy | |
High Tide | 4:07PM2.91m | 4:12AM3.33m | 4:52PM3.18m | 4:59AM3.52m | 5:34PM3.43m | |||||||||||||||||||
Low Tide | 9:54AM0.53m | 10:01PM0.78m | 10:36AM0.28m | 10:48PM0.52m | 11:17AM0.08m | 11:33PM0.28m | ||||||||||||||||||
 |  |  | | | |  |  | |  | | | |  |  | | |  | | | | | | | |
 | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | 5:26 |
 | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | 9:32 |
1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 8 | 9 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 7 | 9 | 10 | 10 | 9 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 8 | 7 |
-1 | 0 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | WNW 8 | NW 8 | WNW 8 | W 9 | W 9 | WNW 8 | WNW 8 | WNW 8 |
 kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 143 | 103 | 125 | 76 | 7 | 25 | 67 | 60 | 58 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — | W 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | N 4 | N 4 | — | NNW 3 | WNW 8 | WNW 7 | — | — | — |
| kJ | 2745 | 3124 | 2897 | 2421 | 2072 | 1888 | 1552 | 1190 | 953 | 739 | 557 | 384 | 335 | 376 | 269 | 16 | 10 | — | 2 | 74 | 70 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 468 | 508 | 538 | 548 | 998 | 1191 | 562 | 548 | 571 | 475 | 1227 | 1302 | 439 | 439 | 350 | 442 | 327 | 197 | 197 | 279 | 327 | 279 | 69 | 9 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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