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Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 am Sunday 31 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
12.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Trá Na Rosan today (31 May):
- Morning surf: Morning surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 4ft (1.2m), 12s period with W swell.
The current surf forecast for Trá Na Rosan at 12PM is: 1.4m 12s primary swell from a West direction and 0.2m 10s secondary swell from a North direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4.5ft (1.3m) | 12s |
| Afternoon (31 May) | 4.5ft (1.3m) | 12s |
| Evening (31 May) | 4ft (1.2m) | 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 5mm), mostly falling on Mon afternoon. Very mild (max 15°C on Mon morning, min 11°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the SSE by Tue night). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | N 8 | N 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | |
325 | 387 | 461 | 553 | 472 | 389 | 316 | 253 | 202 | 195 | 185 | 144 | 138 | 123 | 188 | 1 | 1 | 173 | 137 | 109 | 60 | 134 | 61 | 162 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | glassy | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 6:49AM3.00m | 7:07PM3.15m | 7:24AM2.98m | 7:42PM3.15m | 7:58AM2.92m | 8:18PM3.11m | ||||||||||||||||||
Low Tide | 12:49PM0.48m | 1:13AM0.50m | 1:23PM0.50m | 1:49AM0.54m | 1:57PM0.53m | |||||||||||||||||||
 |  | |  | | |  | | | | | |  | |  | | | | | |  | | | | |
 | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | — | 9:58 | — | — | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | 10:01 |
— | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 12 | 12 |
7 | 7 | 8 | 9 | 9 | 10 | 14 | 10 | 11 | 11 | 14 | 15 | 14 | 10 | 10 | 8 | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | NNW 10 | N 9 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 17 | W 9 | W 10 |
 kJ | 325 | 387 | 9 | 7 | 472 | 389 | 316 | 253 | 202 | 195 | 185 | 144 | 138 | 123 | 188 | 220 | 207 | 173 | 137 | 109 | 60 | 6 | 61 | 162 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | — | — | N 9 | N 8 | N 8 | N 8 | N 7 | N 7 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | N 7 | WNW 16 | WNW 15 |
| kJ | 19 | 19 | — | — | 6 | 5 | 5 | 4 | 4 | 4 | 6 | 6 | 6 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 25 | 43 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 10 | N 10 | N 10 | — | — | — | W 14 | — | — | — | — | — | W 18 | W 18 | — | N 7 | N 7 |
| kJ | — | — | — | — | — | — | — | 2 | 8 | 2 | — | — | — | 4 | — | — | — | — | — | 6 | 6 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | W 12 | W 12 | — | — | — | — | — | — | — | — | — | W 4 | — | — | — | — | — | — | W 4 | W 9 | W 4 | — |
| kJ | — | — | 461 | 553 | — | — | — | — | — | — | — | — | — | 11 | — | — | — | — | — | — | 6 | 134 | 18 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 35 | 140 | 140 | 122 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 140 | 35 | 35 | 35 | 0 | 35 | 344 | 155 | 119 | 35 | 35 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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