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Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Wednesday 27 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
11.9° C
(Which is slightly warmer than usual)How big are the waves at Trá Na Rosan today (27 May):
- Morning surf: Morning surf (27 May, local time) - 3ft (0.9m), 10s period with NW swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 2ft (0.6m), 10s period with W swell.
- Evening surf: Evening surf (27 May, local time) - 1.5ft (0.5m), 9s period with W swell.
The current surf forecast for Trá Na Rosan at 8PM is: 0.5m 10s primary swell from a West direction and 0.4m 7s secondary swell from a North-northwest direction (forecast issued at 12:00pm May 27). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 3ft (0.9m) | 10s |
| Afternoon (27 May) | 2ft (0.6m) | 10s |
| Evening (27 May) | 1.5ft (0.5m) | 9s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 20°C on Wed afternoon, min 12°C on Fri night). Winds increasing (light winds from the E on Wed morning, fresh winds from the SW by Fri morning). | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 10 | W 10 | W 10 | W 10 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 7 | NW 10 | W 14 | W 18 | W 18 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 7 | |
142 | 70 | 70 | 47 | 44 | 28 | 27 | 26 | 16 | 15 | 14 | 13 | 13 | 13 | 27 | 15 | 14 | 6 | 6 | 217 | 168 | 147 | 123 | 97 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-on | cross | off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | off | off | off | |
High Tide | 4:44PM2.76m | 4:58AM2.93m | 5:23PM2.90m | 5:37AM2.97m | 5:59PM3.02m | 6:14AM2.99m | ||||||||||||||||||
Low Tide | 10:27AM0.62m | 10:40PM0.70m | 11:05AM0.56m | 11:22PM0.62m | 11:41AM0.51m | 00:00AM0.55m | ||||||||||||||||||
 | |  | |  | | | | | |  | |  | |  | | | | | | | | | | |
 | 5:03 | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — |
 | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | — | — | — | — | 9:54 | — | — | — | 9:57 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 19 | 20 | 19 | 16 | 16 | 15 | 13 | 16 | 18 | 19 | 17 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 12 |
11 | 18 | 18 | 17 | 13 | 14 | 13 | 10 | 13 | 15 | 17 | 16 | 11 | 11 | 10 | 8 | 7 | 7 | 6 | 9 | 10 | 10 | 10 | 8 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | W 10 | N 7 | W 10 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 7 | NW 10 | NW 9 | W 18 | W 18 | W 12 | W 8 | WNW 8 | WNW 8 | WNW 7 |
 kJ | 142 | 70 | 33 | 47 | 44 | 28 | 27 | 26 | 16 | 15 | 14 | 13 | 13 | 13 | 27 | 15 | 13 | 6 | 6 | 24 | 168 | 147 | 123 | 97 |
Swell 2 Height (m) Direction Period (s) | W 19 | NNW 7 | W 10 | NNW 7 | NNW 7 | NW 7 | NW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | NW 10 | WNW 10 | W 16 | W 14 | — | — | W 17 | W 11 | W 11 | W 10 | W 10 |
| kJ | 7 | 27 | 70 | 18 | 18 | 11 | 10 | 8 | 4 | 4 | 3 | 1 | 1 | 4 | 10 | 5 | 14 | — | — | 6 | 21 | 9 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | — | W 19 | W 19 | W 18 | W 18 | W 18 | W 18 | W 18 | ENE 5 | ENE 5 | NE 5 | NE 5 | W 16 | — | W 16 | N 6 | N 6 | — | — | — | W 16 | W 9 | W 16 | W 16 |
| kJ | — | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 1 | 1 | 5 | — | 5 | 1 | 1 | — | — | — | 5 | 7 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 2 | E 2 | ESE 2 | ESE 2 | E 2 | ESE 2 | SE 2 | SSE 2 | — | — | — | SSW 2 | WSW 7 | WSW 7 | W 7 | W 7 | W 8 | — | — | — | — |
| kJ | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 86 | 219 | 233 | 261 | 217 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 249 | 355 | 581 | 703 | 326 | 330 | 346 | 35 | 140 | 356 | 499 | 140 | 8 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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