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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 pm Friday 20 Mar 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
7.8° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 1AM is: 1.9m 15s primary swell from a West-northwest direction (forecast issued at 05:00pm March 20). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 7ft (2.2m) | 15s |
| Afternoon (21 Mar) | 8ft (2.4m) | 16s |
| Evening (21 Mar) | 7ft (2.2m) | 15s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 303 | 498 | 355 | 1609 | 1809 | 1851 | 2198 | 2731 | 2696 | 2560 | 2169 | 1851 | 1592 | 1344 | 1229 | 1380 | 1725 | 1960 | 1901 | 1844 | 1844 | 1759 | 2394 | 2259 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | glass | glass | glass | glass | glass | glass | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross | cross- off | cross- off | cross |
High Tide / height (m) | 6:45PM 3.61 | 6:58AM 3.91 | 7:21PM 3.60 | 7:37AM 3.74 | 8:00PM 3.50 | 8:19AM 3.47 | ||||||||||||||||||
Low Tide / height (m) | 12:32PM -0.17 | 12:40AM -0.01 | 1:06PM -0.12 | 1:18AM 0.04 | 1:42PM 0.05 | 1:59AM 0.19 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 | - |
| Sunset | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - |
 | |  | | | |  | | | | |  | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 11 | 8 | 8 | 7 | 6 | 7 | 10 | 11 | 11 | 8 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 7 | 7 | 5 | 4 | 5 | 8 |
| Feels °C (?) | 10 | 9 | 6 | 6 | 5 | 4 | 5 | 8 | 8 | 9 | 5 | 4 | 4 | 5 | 6 | 4 | 4 | 3 | 3 | 5 | 2 | 1 | 0 | 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)
FREE! Surf-Forecast.com widget for your website
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