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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 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
12.0° 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 11AM is: 0.4m 7s primary swell from a Northwest direction and 0.2m 10s secondary swell from a West direction (forecast issued at 06:00am May 10). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 1ft (0.3m) | 10s |
| Afternoon (10 May) | 2.5ft (0.8m) | 4s |
| Evening (10 May) | 2.5ft (0.8m) | 4s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 11°C on Sun morning, min 8°C on Tue night). Winds increasing (light winds from the N on Sun night, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 6 | NW 6 | NW 7 | NW 7 | NW 4 | NW 7 | NW 4 | NW 5 | NW 6 | NW 7 | NW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | |
30 | 19 | 19 | 26 | 16 | 45 | 22 | 43 | 91 | 115 | 125 | 117 | 123 | 121 | 121 | 222 | 243 | 169 | 335 | 361 | 505 | 772 | 1064 | 1495 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | |
High Tide | 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 | — | — | — | — | — | — | 5:31 |
 | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:24 | — | 9:27 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 6 | 6 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 11 | 10 | 9 | 9 | 9 | 10 | 9 | 10 | 11 | 11 | 10 | 9 | 8 |
3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 4 | 5 | 4 | 5 | 6 | 4 | 5 | 3 | 3 | 4 | 3 | 3 | 2 | -1 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 6 | NW 7 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | NW 7 | NW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | — | — | W 19 | W 19 | — | — | — | — | — |
 kJ | 18 | 19 | 19 | 8 | 8 | 8 | 7 | 7 | 7 | 115 | 125 | 117 | 123 | 121 | 121 | — | — | 7 | 7 | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | NNW 10 | — | NW 10 | N 10 | — | — | W 9 | W 9 | W 9 | W 9 | WNW 14 | WNW 12 | — | — | — | — | — | — | — | — | — |
| kJ | 20 | 18 | 8 | 10 | — | 4 | 2 | — | — | 6 | 6 | 6 | 6 | 18 | 29 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | NNW 11 | NNW 11 | — | — | — | — | — | — | — | W 15 | W 14 | W 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 11 | 11 | — | — | — | — | — | — | — | 4 | 4 | 15 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | — | — | NW 7 | NW 4 | NW 7 | NW 4 | NW 5 | NW 6 | — | — | — | — | — | — | WNW 9 | WNW 9 | WNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 30 | — | — | 26 | 16 | 45 | 22 | 43 | 91 | — | — | — | — | — | — | 222 | 243 | 169 | 335 | 361 | 505 | 772 | 1064 | 1495 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 547 | 23 | 225 | 800 | 468 | 309 | 530 | 475 | 425 | 406 | 225 | 182 | 383 | 246 | 106 | 278 | 278 | 278 | 533 | 334 | 438 | 279 | 438 | 439 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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