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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Wednesday 08 Apr 2026 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
8.7° C
(Which is slightly cooler than normal)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 1AM is: 1.8m 11s primary swell from a West direction and 0.5m 3s secondary swell from a South direction (forecast issued at 06:00pm April 08). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 7ft (2.2m) | 11s |
| Afternoon (09 Apr) | 15ft (4.5m) | 14s |
| Evening (09 Apr) | 15ft (4.5m) | 15s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 589 | 546 | 799 | 799 | 783 | 856 | 1478 | 4054 | 9937 | 8923 | 7531 | 6008 | 4982 | 4110 | 3334 | 2688 | 2085 | 1657 | 2304 | 1734 | 3247 | 4574 | 5330 | 5034 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross- on | on | on | on | on | on | on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 10:30PM 2.71 | 10:53AM 2.32 | 11:36PM 2.52 | 12:14PM 2.15 | 1:09AM 2.47 | |||||||||||||||||||
Low Tide / height (m) | 3:56PM 1.04 | 4:40AM 1.22 | 4:43PM 1.26 | 5:59AM 1.42 | 6:05PM 1.41 | 8:03AM 1.41 | ||||||||||||||||||
Wednesday 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:41 | - | - |
| Sunset | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - |
 | |  |  | |  | |  | | |  |  | | | | | | | | |  |  | | | |
Rain (mm) | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | - | - | - | - | - | - | 3 | 5 | 1 | - | - | - | - |
| Temp. °C | 12 | 10 | 8 | 9 | 9 | 7 | 7 | 8 | 6 | 6 | 6 | 5 | 4 | 3 | 5 | 7 | 6 | 5 | 4 | 4 | 3 | 2 | 4 | 7 |
| Feels °C (?) | 8 | 6 | 5 | 6 | 5 | 1 | -1 | -1 | -3 | -3 | -2 | -1 | 0 | -1 | -2 | -2 | -3 | -5 | -1 | -2 | -4 | -4 | -5 | -3 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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