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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 pm Saturday 21 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 12AM is: 2.1m 14s primary swell from a West-northwest direction (forecast issued at 05:00pm March 21). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Mar) | - | - |
| Afternoon (22 Mar) | 8ft (2.4m) | 16s |
| Evening (22 Mar) | 7ft (2.2m) | 15s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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) (?) | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 13 | 10 | 11 | 12 | 12 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2696 | 2560 | 2169 | 1851 | 1592 | 1482 | 1422 | 1929 | 2635 | 2418 | 2057 | 1816 | 1733 | 1498 | 1430 | 1216 | 1454 | 1384 | 1192 | 858 | 1881 | 2457 | 2898 | 6930 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross | cross | cross | cross | cross | cross- on | cross- on | on | on | on |
High Tide / height (m) | 7:21PM 3.60 | 7:37AM 3.74 | 8:00PM 3.50 | 8:19AM 3.47 | 8:43PM 3.32 | 9:08AM 3.12 | ||||||||||||||||||
Low Tide / height (m) | 1:06PM -0.12 | 1:18AM 0.04 | 1:42PM 0.05 | 1:59AM 0.19 | 2:22PM 0.31 | 2:46AM 0.44 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - |
| Sunset | - | 6:46 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - |
 | |  |  | | |  | | | | | | | | | | | | | |  |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 2 | - | 1 |
| Temp. °C | 11 | 11 | 8 | 7 | 7 | 8 | 8 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 8 | 9 | 9 | 10 | 11 | 11 | 9 | 8 | 8 |
| Feels °C (?) | 8 | 9 | 5 | 4 | 4 | 5 | 5 | 4 | 2 | 4 | 4 | 4 | 2 | 2 | 1 | 3 | 3 | 4 | 5 | 5 | 5 | 1 | 0 | -1 |
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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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