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Surf Forecasts:
Rossnowlagh surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Thursday 16 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 4PM is: 1.5m 14s primary swell from a West direction and 0.6m 4s secondary swell from a South direction (forecast issued at 12:00pm April 16). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Apr) | 6.5ft (2.0m) | 15s |
| Afternoon (16 Apr) | 5ft (1.6m) | 14s |
| Evening (16 Apr) | 4ft (1.2m) | 13s |
Table - waves today at Rossnowlagh. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1712 | 1315 | 820 | 581 | 459 | 350 | 276 | 216 | 266 | 850 | 741 | 595 | 380 | 392 | 473 | 442 | 406 | 351 | 307 | 202 | 160 | 127 | 130 | 73 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | on | on | on | on | on | cross- on | cross |
High Tide / height (m) | 6:05PM 3.45 | 6:14AM 3.81 | 6:42PM 3.63 | 6:54AM 3.86 | 7:20PM 3.72 | |||||||||||||||||||
Low Tide / height (m) | 11:52AM 0.00 | 12:00AM 0.21 | 12:27PM -0.14 | 12:39AM 0.04 | 1:03PM -0.17 | 1:20AM -0.03 | ||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 |
| Sunset | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - | - | - | 8:39 | - | - | - | - |
 |  |  | |  |  |  | | |  | | |  | | | | | |  | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | 1 | 2 | - | - | 1 | 1 | 1 | - | - | 1 | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 10 | 12 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 11 | 11 | 10 | 9 | 9 | 8 | 7 | 8 | 9 | 10 | 9 | 8 | 8 | 7 | 6 |
| Feels °C (?) | 5 | 7 | 5 | 5 | 5 | 4 | 6 | 2 | 1 | 4 | 4 | 4 | 4 | 5 | 3 | 3 | 2 | 3 | 4 | 5 | 5 | 6 | 5 | 4 |
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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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