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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 11 pm Saturday 13 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Rossnowlagh surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rossnowlagh sea temperature is
9.2° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 7AM is: 2.4m 13s primary swell from a West direction and 0.7m 4s secondary swell from a South direction (forecast issued at 11:00pm December 13). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 7.5ft (2.3m) | 14s |
| Afternoon (14 Dec) | 7ft (2.1m) | 13s |
| Evening (14 Dec) | 8ft (2.4m) | 13s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3099 | 3020 | 2171 | 2001 | 1894 | 1603 | 1556 | 2168 | 2001 | 1877 | 1821 | 1962 | 2670 | 3314 | 3831 | 4150 | 3781 | 3681 | 3406 | 3170 | 2863 | 2765 | 3042 | 3224 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross | cross | cross | on | on | cross- on | cross | cross | cross | cross | cross- on | cross | cross- on | cross | cross | cross | cross | cross | cross- on | cross |
High Tide / height (m) | 1:30AM 2.52 | 1:39PM 2.81 | 2:28AM 2.65 | 2:36PM 2.79 | 3:16AM 2.80 | 3:25PM 2.83 | ||||||||||||||||||
Low Tide / height (m) | 7:17PM 0.93 | 7:24AM 1.19 | 8:11PM 0.89 | 8:27AM 1.11 | 8:56PM 0.82 | 9:18AM 0.98 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:48 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:07 | - |
 | | |  |  |  | | | |  | | |  | | | | |  | | |  | | | | |
Rain (mm) | 2 | 3 | 3 | - | - | 4 | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 10 | 9 | 8 | 7 | 7 | 6 | 7 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 6 | 7 | 5 |
| Feels °C (?) | 6 | 8 | 9 | 8 | 8 | 6 | 9 | 4 | 4 | 4 | 3 | 4 | 3 | 4 | 5 | 4 | 3 | 3 | 2 | 2 | 0 | 2 | 3 | 1 |
- 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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