Slivebawn Right Surf Forecast

/ Donegal (44 surf breaks) /

Ireland (149 surf breaks)

Surf Forecasts

Slivebawn Right surfForecast / Donegal / Ireland

48hr Weather and Surf, issued 12 am Tuesday 12 Aug 2025 IST

Forecast update in hr min s Forecast update imminent

Slivebawn Right surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Slivebawn Right sea temperature is 15.4° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Slivebawn Right today?

The current surf forecast for Slivebawn Right at 4AM is: 0.9m 9s primary swell from a West-northwest direction and 0.6m 12s secondary swell from a West direction, 0.3m 3s secondary swell from a Southeast direction (forecast issued at 12:00am August 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (IST) & Date	Wave Height	Wave Period
Morning (12 Aug)	3ft (0.9m)	9s
Afternoon (12 Aug)	2.5ft (0.7m)	9s
Evening (12 Aug)	2ft (0.6m)	9s

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

Hourly 12 Days

Donegal Surf

Print Surf Table

Updates in hr min s Forecast update imminent

		Tuesday 12								Wednesday 13								Thursday 14
	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)	1	2	2	2	1	1	0	0	0	0	0	0	0	0	0	1	1	2	2	2	2	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	NW	NW	NW	NW	NW	WNW	WNW	WNW
Period(s) (?)	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	11	11	11	10	10	9	9	9
Wave Graph (?)
Energy (?)	350	283	238	205	169	170	144	139	99	93	67	66	60	54	81	80	157	203	271	230	225	180	168	163
Wind (km/h)	SE	SSE	S	S	SSE	NE	NE	N	NE	E	ESE	SE	ESE	ESE	ESE	SSW	W	W	W	WSW	W	W	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- off	cross- off	cross- off	glass	glass	on	cross- on	on	cross- on	cross- on	cross	cross	cross- on	cross- on	glass	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	8:34PM 3.31				8:51AM 2.88				9:10PM 3.27				9:29AM 2.82				9:49PM 3.14					10:09AM 2.71
Low Tide / height (m)			2:47AM 0.04				2:49PM 0.01				3:24AM 0.08				3:28PM 0.11					4:04AM 0.21				4:11PM 0.28

		Tuesday 12								Wednesday 13								Thursday 14
Sunrise	-	-	-	5:54	-	-	-	-	-	-	-	5:56	-	-	-	-	-	-	-	5:58	-	-	-	-
Sunset	-	-	-	-	-	-	-	9:10	-	-	-	-	-	-	-	9:08	-	-	-	-	-	-	-	9:07

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

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 Offshore wind has become cross-off at Ballyhiernan Bay (light winds from the S at Malin Head 27 km from Ballyhiernan Bay). No surfable waves
55 minutes ago Ballyhiernan Bay

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Actual: 55 min ago

18 km/h

Cross-Off

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