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Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 am Thursday 21 May 2026 ISTForecast update in hr min s Forecast update imminent
Trá Na Rosan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trá Na Rosan sea temperature is
11.2° C
(Which is normal for this time of year)How big are the waves at Trá Na Rosan today?
The current surf forecast for Trá Na Rosan at 2PM is: 1.0m 10s primary swell from a West direction and 0.5m 7s secondary swell from a Northwest direction (forecast issued at 06:00am May 21). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3ft (0.9m) | 11s |
| Afternoon (21 May) | 3.5ft (1.0m) | 10s |
| Evening (21 May) | 3ft (0.9m) | 10s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 18°C on Fri morning, min 11°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 11 | W 11 | W 11 | W 9 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 16 | W 16 | W 9 | W 9 | |
217 | 198 | 185 | 267 | 134 | 153 | 158 | 165 | 181 | 195 | 191 | 191 | 199 | 206 | 149 | 182 | 74 | 73 | 123 | 42 | 5 | 5 | 132 | 168 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross | glassy | off | off | off | off | off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross-off | off | |
High Tide | 10:17AM2.85m | 10:46PM3.18m | 11:21AM2.61m | 11:53PM3.02m | 12:34PM2.45m | |||||||||||||||||||
Low Tide | 4:02AM0.37m | 4:13PM0.53m | 5:07AM0.59m | 5:15PM0.71m | 6:21AM0.74m | 6:27PM0.85m | ||||||||||||||||||
 |  |  | | | |  | | | | | | | |  |  | |  | | | | | |  | |
 | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | 5:07 |
 | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | 9:47 |
2 | 1 | — | — | 1 | 5 | — | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 15 | 17 | 15 | 15 | 15 | 13 | 12 | 13 | 15 | 18 | 18 | 13 | 13 | 12 | 11 | 12 | 13 | 16 | 17 | 17 | 16 | 15 |
8 | 10 | 13 | 14 | 15 | 12 | 11 | 7 | 7 | 9 | 12 | 16 | 16 | 12 | 12 | 9 | 8 | 9 | 9 | 12 | 13 | 14 | 15 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | W 11 | W 11 | W 9 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 6 | W 6 | W 10 | W 9 | W 16 | W 9 | W 9 | W 9 |
 kJ | 217 | 198 | 185 | 267 | 134 | 153 | 158 | 165 | 181 | 195 | 191 | 191 | 199 | 206 | 149 | 182 | 31 | 28 | 123 | 42 | 5 | 133 | 132 | 168 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | NW 8 | NW 8 | NW 7 | WNW 11 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | NNW 6 | NW 6 | NW 6 | NW 6 | N 6 | N 6 | W 10 | W 10 | W 16 | W 16 | — | W 16 | — | — |
| kJ | 68 | 63 | 45 | 26 | 40 | 7 | 7 | 7 | 7 | 4 | 4 | 2 | 1 | 1 | 1 | 1 | 74 | 73 | 5 | 5 | — | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 7 | NW 9 | NW 9 | N 8 | N 8 | N 8 | — | — | N 8 | — | — | — | N 6 | N 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | 17 | 3 | 3 | 1 | 1 | 1 | — | — | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 3 | S 3 | SSE 2 | SSE 2 | — | — | — | — | — | — | — | — | W 6 | W 9 | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 29 | 136 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 35 | 0 | 0 | 13 | 68 | 0 | 0 | 0 | 0 | 0 | 35 | 0 | 8 | 0 | 0 | 8 | 35 | 35 | 35 | 0 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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