Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 11 am Tuesday 30 Dec 2025 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
8.8° C
(Which is 1.0°C colder than average for this time of year)| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 1.5ft (0.4m) | 16s |
| Afternoon (30 Dec) | - | - |
| Evening (30 Dec) | - | - |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 5 | 6 | 8 | 9 | 10 | 10 | 10 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 66 | 64 | 85 | 120 | 115 | 141 | 137 | 135 | 95 | 87 | 83 | 82 | 98 | 263 | 614 | 1133 | 1522 | 1491 | 1911 | 3313 | 2911 | 2470 | 1917 | 1694 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 2:04PM 2.83 | 2:49AM 2.76 | 3:15PM 2.96 | 3:50AM 3.01 | 4:16PM 3.11 | 4:45AM 3.26 | ||||||||||||||||||
Low Tide / height (m) | 7:39AM 0.87 | 8:25PM 0.66 | 8:52AM 0.70 | 9:27PM 0.52 | 9:56AM 0.48 | 10:22PM 0.36 | ||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| Sunrise | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:08 | - | - | - | - | - | - | - | 4:09 | - | - | - | - | - | - | - | 4:10 | - | - | - | - | - |
 |  | |  | | | | | |  | |  | |  | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | 1 | - | - | - | 1 | 1 |
| Temp. °C | 5 | 5 | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 7 | 6 | 6 | 4 |
| Feels °C (?) | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | -1 | -1 | -1 | -2 | -1 | -2 | -2 | -3 | -3 | -5 | -5 | -4 | -3 | -4 | -5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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