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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 11 am Monday 17 Nov 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
11.8° C
(Which is slightly warmer than usual)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 6PM is: 0.3m 12s primary swell from a West direction and 0.3m 7s secondary swell from a Northwest direction (forecast issued at 11:00am November 17). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Nov) | 1.5ft (0.4m) | 12s |
| Afternoon (17 Nov) | 1ft (0.3m) | 12s |
| Evening (17 Nov) | 1ft (0.3m) | 12s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 11 | 10 | 10 | 10 | 6 | 7 | 8 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 47 | 26 | 25 | 25 | 25 | 25 | 24 | 87 | 128 | 286 | 340 | 268 | 197 | 154 | 193 | 645 | 504 | 430 | 368 | 176 | 165 | 261 | 144 | 97 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 3:57PM 3.17 | 4:26AM 3.15 | 4:33PM 3.20 | 4:57AM 3.27 | 5:07PM 3.20 | 5:28AM 3.35 | ||||||||||||||||||
Low Tide / height (m) | 9:47AM 0.74 | 10:08PM 0.45 | 10:23AM 0.62 | 10:38PM 0.40 | 10:57AM 0.52 | 11:08PM 0.37 | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
| Sunrise | 8:04 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:29 | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - |
 |  |  |  |  |  | |  |  | | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 7 | 8 | 9 | 9 | 8 | 7 | 9 | 9 | 9 | 9 | 9 | 8 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 5 | 5 | 5 |
| Feels °C (?) | 4 | 6 | 6 | 5 | 4 | 3 | 3 | 3 | 2 | 1 | 2 | 1 | -2 | -3 | -3 | -3 | -2 | -2 | -2 | -3 | -2 | -1 | -1 | 0 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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