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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 11 am Saturday 06 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
9.4° 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 6PM is: 3.0m 16s primary swell from a West direction (forecast issued at 11:00am December 06). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 10ft (3.0m) | 19s |
| Afternoon (06 Dec) | 10ft (3.0m) | 17s |
| Evening (06 Dec) | 8ft (2.5m) | 15s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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) (?) | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5382 | 5410 | 4868 | 4466 | 3395 | 2379 | 1748 | 1214 | 998 | 1095 | 991 | 759 | 551 | 441 | 448 | 1057 | 2666 | 3908 | 4998 | 4443 | 3845 | 3845 | 3845 | 3565 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | on | cross- on | cross | cross- off | off | cross- off | on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | off | cross- off | off |
High Tide / height (m) | 6:36PM 3.47 | 6:58AM 3.85 | 7:27PM 3.28 | 7:48AM 3.78 | 8:18PM 3.05 | |||||||||||||||||||
Low Tide / height (m) | 12:20PM -0.01 | 12:31AM 0.11 | 1:11PM 0.06 | 1:16AM 0.24 | 2:03PM 0.23 | 2:03AM 0.43 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | 8:37 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:08 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - |
 |  |  |  |  |  | |  |  | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | 3 | 9 | 10 | 1 | 1 | - | - | 2 | 1 | - | - | - | - | - | 3 | 4 | 3 |
| Temp. °C | 8 | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 9 | 8 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 8 | 8 | 11 | 10 |
| Feels °C (?) | 5 | 7 | 7 | 6 | 6 | 6 | 5 | 4 | 5 | 1 | 3 | 4 | 4 | 5 | 4 | 3 | 3 | 4 | 5 | 5 | 4 | 5 | 7 | 8 |
- 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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