Rossnowlagh Surf Forecast

/ Donegal (44 surf breaks) /

Ireland (149 surf breaks) / Lat Long: (54.57° N 8.23° W)

Surf Forecasts:

Rossnowlagh surfForecast / Donegal / Ireland

48hr Weather and Surf, issued 6 am Saturday 23 Aug 2025 IST

Forecast 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 17.8° C
(Which is 3.1°C warmer than normal for this time of year)

How big are the waves at Rossnowlagh today?

The current surf forecast for Rossnowlagh at 11AM is: 0.4m 8s primary swell from a West direction and 0.1m 19s secondary swell from a West direction (forecast issued at 06:00am August 23). The wind direction is predicted to be glassy.

Time (IST) & Date	Wave Height	Wave Period
Morning (23 Aug)	1.5ft (0.4m)	9s
Afternoon (23 Aug)	1.5ft (0.4m)	8s
Evening (23 Aug)	1ft (0.3m)	8s

Table - waves today at Rossnowlagh. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 23							Sunday 24								Monday 25								Tue 26
	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	10 PM	1 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	2	3	!
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Period(s) (?)	9	9	8	8	8	8	8	17	17	17	8	9	10	10	10	10	9	9	19	10	23	20	18	18
Wave Graph (?)
Energy (?)	32	32	30	29	17	16	19	36	43	43	69	83	86	95	93	114	87	99	83	85	181	1974	6433	9343
Wind (km/h)	SSE	SE	SSE	S	SW	SSW	ESE	ESE	SE	SE	SSE	S	SSW	S	SE	SE	SE	SE	SSE	S	S	S	S	S
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	glass	glass	glass	glass	glass	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross
High Tide / height (m)		6:44AM 3.21				6:58PM 3.81					7:19AM 3.28				7:33PM 3.84				7:52AM 3.30				8:05PM 3.78
Low Tide / height (m)				12:33PM 0.26					1:10AM 0.12				1:08PM 0.18				1:43AM 0.11				1:41PM 0.19

	Saturday 23							Sunday 24								Monday 25								Tue 26
Sunrise	-	6:22	-	-	-	-	-	-	-	6:24	-	-	-	-	-	-	-	6:26	-	-	-	-	-	-
Sunset	-	-	-	-	-	8:46	-	-	-	-	-	-	-	8:45	-	-	-	-	-	-	-	8:42	-	-

Rain (mm)	-	-	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	1
Temp. °C	17	17	18	18	18	18	18	17	17	15	16	19	22	22	18	16	14	14	17	22	23	18	16	15
Feels °C (?)	17	17	19	19	20	20	19	17	17	15	15	17	20	21	17	15	12	12	13	17	19	16	13	12

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Donegal

Wind Update Cross-off winds at Brinlack Point (Bloody Foreland) are now cross-shore so expect speed-bumps in the surf (light winds from the S at Donegal Airport 10 km from Brinlack Point (Bloody Foreland)). 0.8m 9s swell from the W with a 0.3m 10s swell from the N. 2 swells combining to make bigger set waves.
1 hour 23 minutes ago Brinlack Point (Bloody Foreland)

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Actual: 53 min ago

4 km/h

Clean

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