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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
12 Day Weather and Surf, issued 5 am Sunday 22 Feb 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
7.1° C
(Which is 1.9°C colder than average for this time of year)Best Forecast Surf Conditions for Rossnowlagh this week:
The surf forecast for Rossnowlagh over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Feb 23) at 12PM. The primary swell is predicted to be 3.5m and 15s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Rossnowlagh in the next 12 days are 4.5m 16s and forecast to arrive on Monday (Feb 23) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (Feb 28) at 6AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Mon 23rd Feb) | 11ft (3.5m) 15s |
| Best Surf | 12PM (Mon 23rd Feb) | 11ft (3.5m) 15s |
| Most Powerful | 6AM (Mon 23rd Feb) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Rossnowlagh over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 21mm), heaviest during Mon afternoon. Very mild (max 11°C on Mon afternoon, min 8°C on Sun morning). Winds decreasing (fresh winds from the WSW on Sun night, light winds from the SE by Tue night). | Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Wed night. Very mild (max 11°C on Wed morning, min 2°C on Fri night). Winds increasing (calm on Wed morning, strong winds from the WSW by Thu night). | ||||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 14 | 15 | 16 | 16 | 14 | 13 | 12 | 12 | 19 | 16 | 16 | 15 | 14 | 13 | 12 | 13 | 13 | 16 | 14 | 14 | 13 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 2639 | 4072 | 7068 | 7776 | 3999 | 1359 | 723 | 681 | 273 | 1524 | 1667 | 979 | 236 | 1092 | 2188 | 3065 | 3208 | 2543 | 1303 | 1267 | 1510 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- off | cross | cross | cross | cross- off | cross- on | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:03PM 3.15 | 9:22AM 3.26 | 9:52PM 2.96 | 10:17AM 2.93 | 10:55PM 2.77 | 11:34AM 2.63 | 12:24AM 2.67 | 1:17PM 2.51 | 2:03AM 2.79 | 2:52PM 2.63 | 3:19AM 3.08 | 3:57PM 2.86 | |||||||||
Low Tide / height (m) | 2:46PM 0.31 | 2:57AM 0.50 | 3:29PM 0.57 | 3:49AM 0.76 | 4:24PM 0.87 | 5:02AM 1.02 | 5:43PM 1.11 | 6:51AM 1.13 | 7:30PM 1.15 | 8:37AM 0.96 | 8:54PM 0.96 | 9:46AM 0.66 | 9:52PM 0.69 | ||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||
| Sunrise | 7:39 | - | - | 7:37 | - | - | 7:35 | - | - | 7:31 | - | - | 7:30 | - | - | 7:28 | - | - | 7:24 | - | - |
| Sunset | - | 5:52 | - | - | 5:54 | - | - | 5:58 | - | - | 6:00 | - | - | 6:01 | - | - | 6:04 | - | - | 6:06 | - |
 | |  |  |  |  | | |  | | | | |  | | | |  |  | | | |
Rain (mm) | 2 | 2 | 3 | - | 5 | - | 1 | 1 | 7 | - | 1 | 2 | 2 | 3 | 4 | 2 | 1 | - | - | - | - |
| Temp. °C | 9 | 8 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 10 | 10 | 7 | 6 | 6 | 4 | 6 | 7 | 5 |
| Feels °C (?) | 2 | 1 | 1 | 6 | 8 | 8 | 6 | 6 | 8 | 9 | 9 | 6 | 3 | 3 | -3 | -2 | 0 | -1 | -1 | -1 | -2 |
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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.
Information about the Rossnowlagh Surf forecast
The above surf forecast table for Rossnowlagh provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rossnowlagh can be found by selecting the local surf guide option on the grey menu. Our Rossnowlagh surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Rossnowlagh) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Rossnowlagh may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Rossnowlagh is 17 km (11 miles) from Killybegs. If you plan a holiday in Donegal, look for hotels and other accommodation in Killybegs. Killybegs has rooms for a wide range of budgets as well as car hire and transport links.
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