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Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Wednesday 20 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 8AM is: 1.7m 14s primary swell from a West-northwest direction (forecast issued at 12:00am May 20). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5.5ft (1.7m) | 14s |
| Afternoon (20 May) | 5.5ft (1.7m) | 13s |
| Evening (20 May) | 4.5ft (1.4m) | 12s |
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 6mm), mostly falling on Tue night. Very mild (max 19°C on Fri afternoon, min 10°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 16 | WNW 15 | WNW 14 | WNW 14 | W 13 | W 13 | W 12 | WNW 12 | WNW 12 | W 11 | WNW 11 | W 11 | WNW 11 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 12 | W 12 | W 11 | |
546 | 1137 | 1223 | 1122 | 1018 | 878 | 683 | 494 | 411 | 265 | 198 | 185 | 69 | 216 | 153 | 146 | 128 | 181 | 188 | 188 | 195 | 221 | 174 | 237 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | cross-off | cross | cross | cross-off | |
High Tide | 9:21AM3.11m | 9:46PM3.36m | 10:17AM2.85m | 10:46PM3.18m | 11:21AM2.61m | |||||||||||||||||||
Low Tide | 3:04AM0.17m | 3:18PM0.33m | 4:02AM0.37m | 4:13PM0.53m | 5:07AM0.59m | 5:15PM0.71m | ||||||||||||||||||
 | |  |  |  | |  | | | | | | | | |  | |  | | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:40 | — | — | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:45 | — |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 14 | 15 | 17 | 18 | 15 | 14 | 13 | 12 | 13 | 14 | 18 | 19 | 16 | 14 |
6 | 6 | 6 | 6 | 5 | 5 | 9 | 11 | 9 | 8 | 11 | 13 | 15 | 16 | 13 | 9 | 8 | 7 | 10 | 11 | 15 | 16 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 16 | WNW 15 | WNW 14 | WNW 14 | W 13 | — | W 12 | WNW 12 | WNW 12 | W 11 | WNW 11 | W 11 | W 9 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 12 | W 12 | W 11 |
 kJ | 546 | 1137 | 1223 | 1122 | 1018 | — | 683 | 494 | 411 | 265 | 198 | 185 | 168 | 216 | 153 | 146 | 128 | 181 | 188 | 188 | 195 | 221 | 174 | 237 |
Swell 2 Height (m) Direction Period (s) | W 10 | — | — | — | — | — | — | — | — | NW 7 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | — |
| kJ | 116 | — | — | — | — | — | — | — | — | 51 | 63 | 51 | 35 | 18 | 7 | 7 | 7 | 4 | 2 | 2 | 2 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WNW 11 | — | N 9 | NW 9 | N 9 | N 8 | N 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 69 | — | 2 | 3 | 1 | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | S 2 | S 3 | — | SSE 2 | S 2 | — | WSW 3 | — |
| kJ | — | — | — | — | — | 878 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | — | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 63 | 67 | 354 | 361 | 136 | 68 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 13 | 14 | 0 | 0 | 0 | 0 | 35 | 29 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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