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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm 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 5PM is: 0.8m 4s primary swell from a Northwest direction and 0.2m 10s secondary swell from a West direction (forecast issued at 12:00pm May 10). The wind direction is predicted to be cross-onshore.
| 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 (0.8m) | 7s |
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). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 7 | NW 7 | NW 4 | NW 7 | NW 7 | 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 | WNW 10 | WNW 11 | |
26 | 33 | 16 | 47 | 55 | 33 | 60 | 89 | 96 | 117 | 123 | 132 | 121 | 180 | 243 | 145 | 277 | 344 | 423 | 732 | 1020 | 1365 | 1961 | 2632 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross-on | |
High Tide | 1:04PM2.26m | 1:29AM2.76m | 2:19PM2.40m | 2:30AM2.92m | 3:18PM2.63m | 3:23AM3.12m | ||||||||||||||||||
Low Tide | 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 | 1 | 1 | |
Temp °C | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 8 |
6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 4 | 4 | 4 | 5 | 6 | 5 | 5 | 4 | 3 | 4 | 4 | 3 | 1 | -1 | -1 | 0 | |
Swell 1 Height (m) Direction Period (s) | NW 7 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | NW 7 | NW 8 | WNW 8 | W 9 | WNW 9 | WNW 9 | — | — | W 19 | W 19 | — | — | — | — | — | — | — |
 kJ | 26 | 8 | 8 | 8 | 7 | 7 | 6 | 89 | 96 | 117 | 6 | 132 | 121 | — | — | 7 | 7 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 10 | NNW 10 | — | NW 10 | N 10 | — | — | W 9 | W 9 | WNW 10 | W 14 | WNW 13 | WNW 12 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 10 | — | 4 | 2 | — | — | 6 | 14 | 11 | 15 | 17 | 29 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NNW 11 | — | — | — | — | — | — | — | W 15 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | — | — | — | — | — | — | — | 4 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 7 | NW 4 | NW 7 | NW 7 | NW 5 | NW 6 | — | — | N 3 | WNW 8 | — | — | WNW 9 | WNW 9 | WNW 6 | WNW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 |
| kJ | — | 33 | 16 | 47 | 55 | 33 | 60 | — | — | 1 | 123 | — | — | 180 | 243 | 145 | 277 | 344 | 423 | 732 | 1020 | 1365 | 1961 | 2632 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 225 | 498 | 480 | 480 | 534 | 475 | 425 | 406 | 225 | 225 | 197 | 246 | 48 | 278 | 278 | 278 | 508 | 334 | 432 | 435 | 433 | 439 | 439 | 487 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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