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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Sunday 10 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
11.9° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 9AM is: 0.5m 7s primary swell from a Northwest direction and 0.3m 10s secondary swell from a West direction (forecast issued at 12:00am May 10). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 1.5ft (0.5m) | 7s |
| Afternoon (10 May) | 2.5ft (0.8m) | 4s |
| Evening (10 May) | 2.5ft (0.7m) | 7s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Very mild (max 11°C on Sun morning, min 6°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the W by Tue afternoon). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 11 | NNW 6 | NNW 6 | NW 7 | NW 7 | NW 4 | NW 7 | NW 7 | NW 5 | NW 7 | NW 7 | NW 8 | NW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 10 | |
30 | 30 | 26 | 26 | 44 | 16 | 47 | 47 | 33 | 82 | 91 | 95 | 98 | 123 | 119 | 157 | 217 | 237 | 148 | 310 | 394 | 482 | 724 | 959 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | on | on | on | on | cross-on | cross-on | on | on | on | on | |
High Tide | 00:21AM2.70m | 1:04PM2.26m | 1:29AM2.76m | 2:19PM2.40m | 2:30AM2.92m | 3:18PM2.63m | ||||||||||||||||||
Low Tide | 7:00AM1.24m | 6:49PM1.29m | 8:14AM1.07m | 8:08PM1.20m | 9:08AM0.81m | 9:09PM1.02m | ||||||||||||||||||
 | |  | |  | | |  | | | | | | | | | | |  | | | | |  | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | |
Temp °C | 6 | 6 | 6 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 9 |
2 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 5 | 4 | 4 | 3 | 4 | 4 | 3 | 2 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NNW 6 | NW 7 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | NW 7 | NW 8 | NW 8 | WNW 8 | WNW 9 | WNW 12 | — | — | W 19 | W 19 | — | — | — | — |
 kJ | 30 | 18 | 26 | 26 | 8 | 8 | 8 | 7 | 7 | 7 | 91 | 95 | 98 | 123 | 119 | 30 | — | — | 7 | 7 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | W 10 | NNW 10 | — | NW 10 | N 10 | — | — | W 9 | W 9 | WNW 10 | W 9 | WNW 13 | — | — | — | — | — | — | — | — | — |
| kJ | 20 | 20 | 18 | 8 | 11 | — | 4 | 2 | — | — | 6 | 6 | 11 | 6 | 18 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | NNW 11 | NNW 11 | — | — | — | — | — | — | — | W 15 | W 9 | W 14 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 11 | 11 | — | — | — | — | — | — | — | 4 | 6 | 15 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | — | — | NW 7 | NW 4 | NW 7 | NW 7 | NW 5 | NW 7 | — | — | — | — | — | WNW 9 | WNW 9 | WNW 9 | WNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 10 |
| kJ | 28 | 30 | — | — | 44 | 16 | 47 | 47 | 33 | 82 | — | — | — | — | — | 157 | 217 | 237 | 148 | 310 | 394 | 482 | 724 | 959 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 498 | 225 | 23 | 225 | 795 | 468 | 406 | 534 | 425 | 418 | 406 | 182 | 225 | 383 | 106 | 106 | 278 | 278 | 278 | 533 | 533 | 453 | 438 | 438 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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