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Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Monday 11 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 slightly warmer than usual)How big are the waves at Trá Na Rosan today?
The current surf forecast for Trá Na Rosan at 6AM is: 1.8m 8s primary swell from a North-northwest direction and 0.2m 9s secondary swell from a West direction, 0.2m 9s secondary swell from a West-northwest direction (forecast issued at 12:00am May 11). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 5.5ft (1.7m) | 8s |
| Afternoon (11 May) | 5ft (1.6m) | 8s |
| Evening (11 May) | 4.5ft (1.4m) | 9s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Very mild (max 10°C on Sun night, min 7°C on Mon morning). Winds increasing (light winds from the NW on Mon afternoon, near gales from the NNW by Wed afternoon). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NW 8 | NW 9 | NW 9 | NW 9 | WNW 9 | NW 7 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | |
318 | 218 | 402 | 372 | 374 | 311 | 293 | 304 | 225 | 465 | 479 | 734 | 958 | 1260 | 1602 | 2239 | 3592 | 4857 | 5615 | 4996 | 4283 | 4002 | 3405 | 2854 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross-on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | on | on | on | on | |
High Tide | 1:56AM2.53m | 2:36PM2.29m | 2:58AM2.70m | 3:35PM2.51m | 3:49AM2.92m | 4:24PM2.76m | ||||||||||||||||||
Low Tide | 8:27AM1.04m | 8:31PM1.03m | 9:23AM0.80m | 9:29PM0.84m | 10:09AM0.54m | |||||||||||||||||||
 | |  |  |  | | |  | |  | | | | | |  | | |  |  | | | | | |
 | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:29 | — |
1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | |
Temp °C | 10 | 9 | 8 | 8 | 7 | 7 | 9 | 9 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
3 | 2 | 0 | 1 | 2 | 2 | 4 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | -2 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | NW 8 | W 9 | NNW 8 | NNW 8 | NW 8 | NW 9 | NW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | 17 | 164 | 7 | 372 | 374 | 311 | 293 | 304 | 225 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | N 9 | WNW 9 | — | NW 15 | NW 15 | — | — | — | N 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 8 | — | 9 | 9 | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | NNW 8 | NNW 8 | — | — | — | — | — | WNW 5 | WNW 9 | NW 7 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 |
| kJ | 318 | 218 | 402 | — | — | — | — | — | 42 | 465 | 479 | 734 | 958 | 1260 | 1602 | 2239 | 3592 | 4857 | 5615 | 4996 | 4283 | 4002 | 3405 | 2854 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 464 | 349 | 330 | 133 | 147 | 326 | 330 | 67 | 344 | 345 | 346 | 475 | 674 | 394 | 405 | 407 | 405 | 457 | 463 | 472 | 1029 | 1070 | 1001 | 372 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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