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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Tuesday 31 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
8.4° C
(Which is slightly cooler than normal)How big are the waves at Rossnowlagh today?
The current surf forecast for Rossnowlagh at 9AM is: 2.3m 14s primary swell from a West-northwest direction (forecast issued at 12:00am March 31). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 7.5ft (2.3m) | 14s |
| Afternoon (31 Mar) | 6.5ft (2.0m) | 13s |
| Evening (31 Mar) | 6ft (1.9m) | 12s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4741 | 4046 | 3013 | 2234 | 1956 | 1496 | 1230 | 1137 | 1100 | 1062 | 1064 | 1027 | 1095 | 821 | 778 | 617 | 476 | 333 | 260 | 227 | 304 | 211 | 151 | 130 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross | cross | cross | cross- on | glass | glass | cross- off | cross | cross | cross |
High Tide / height (m) | 5:38AM 3.62 | 6:05PM 3.26 | 6:14AM 3.72 | 6:39PM 3.40 | 6:48AM 3.73 | |||||||||||||||||||
Low Tide / height (m) | 11:18PM 0.51 | 11:54AM 0.17 | 11:56PM 0.33 | 12:26PM 0.07 | 12:30AM 0.22 | 12:55PM 0.05 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:03 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:09 |
 | | |  |  |  | | | | | | | | |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 6 | 6 | 7 | 6 | 5 | 4 | 5 | 7 | 7 | 7 |
| Feels °C (?) | 6 | 8 | 8 | 8 | 6 | 6 | 6 | 7 | 8 | 7 | 7 | 7 | 8 | 8 | -2 | 0 | 1 | 2 | 3 | 1 | 1 | 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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rossnowlagh surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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