Clonmass Bay (Ards) Surf Forecast

/ Donegal (44 surf breaks) /

Ireland (149 surf breaks)

Surf Forecasts:

Clonmass Bay (Ards) surfForecast / Donegal / Ireland

12 Day Weather and Surf, issued 11 pm Saturday 01 Nov 2025 IST

Forecast update in hr min s Forecast update imminent

Clonmass Bay (Ards) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Clonmass Bay (Ards) sea temperature is 12.7° C
(Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Clonmass Bay (Ards) this week:

The surf forecast for Clonmass Bay (Ards) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Nov 06) at 9PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 1.0m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Clonmass Bay (Ards) in the next 12 days are 1.5m 8s and forecast to arrive on Thursday (Nov 06) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 13s period and expected on Sunday (Nov 02) at 3PM.

Wave Type	Time (IST) & Date	Wave Height & Period
Next good surf (1 star+)	9PM (Thu 6th Nov)	3.5ft (1.1m) 8s
Best Surf	9PM (Thu 6th Nov)	3.5ft (1.1m) 8s
Most Powerful	12PM (Thu 6th Nov)	5ft (1.5m) 8s

Table - best surf conditions forecast for Clonmass Bay (Ards) over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Heavy rain (total 29mm), heaviest during Mon afternoon. Very mild (max 15°C on Mon morning, min 8°C on Sat night). Winds decreasing (strong winds from the SW on Sun night, light winds from the S by Tue afternoon).										Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Wed afternoon. Very mild (max 13°C on Fri morning, min 7°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the NW by Wed night).
		Sunday 02			Monday 03			Tuesday 04			Wednesday 05			Thursday 06			Friday 07			Sat 08
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	N	N	WNW	WNW	N	N	N	N	N	N	N	N	N	NNW	NNW	N	N	N	N	N	N
Period(s) (?)	11	10	13	12	9	11	10	10	11	10	10	10	9	8	8	8	10	10	10	10	11
Wave Graph (?)
kJ (?)	10	2	0	0	1	9	8	8	20	19	9	18	27	215	238	169	130	98	70	73	110
Wind (km/h)	SSW	WSW	SW	S	SSW	SW	SSW	SSE	S	WSW	NE	N	NNW	NW	W	SSE	S	SW	SW	SSE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross	cross	cross- off	cross- off	cross	cross- off	cross- off	cross- off	cross- on	cross	cross- on	on	on	cross- on	off	cross- off	cross	cross	cross- off	off
High Tide / height (m)		3:08AM 2.68	3:21PM 3.13		3:52AM 2.97	4:04PM 3.40		4:33AM 3.24	4:47PM 3.61		5:13AM 3.46	5:30PM 3.71		5:54AM 3.60		6:15PM 3.69	6:37AM 3.64		7:00PM 3.54	7:22AM 3.57
Low Tide / height (m)		9:01AM 0.65		9:38PM 0.31	9:46AM 0.37		10:18PM 0.05	10:29AM 0.12		10:58PM -0.12	11:13AM -0.06		11:39PM -0.18	11:57AM -0.15		12:20AM -0.13		12:43PM -0.12	1:03AM 0.02		1:31PM 0.03

		Sunday 02			Monday 03			Tuesday 04			Wednesday 05			Thursday 06			Friday 07			Sat 08
Sunrise	-	7:35	-	-	7:37	-	-	7:39	-	-	7:41	-	-	7:43	-	-	7:46	-	-	7:48	-
Sunset	-	-	4:52	-	-	4:50	-	-	4:47	-	-	4:45	-	-	4:44	-	-	4:42	-	-	4:39

Rain (mm)	3	1	-	14	2	9	-	-	-	-	3	12	3	-	-	1	4	-	-	-	-
Temp. °C	10	11	11	14	15	14	13	14	14	12	11	10	11	11	11	11	13	13	11	10	10
Feels °C (?)	2	3	3	7	9	9	6	11	12	9	7	3	3	4	6	4	8	8	7	7	5

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

Quick surf report for Clonmass Bay (Ards):

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Information about the Clonmass Bay (Ards) Surf forecast

The above surf forecast table for Clonmass Bay (Ards) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Clonmass Bay (Ards) can be found by selecting the local surf guide option on the grey menu. Our Clonmass Bay (Ards) 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 (Clonmass Bay (Ards)) 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 Clonmass Bay (Ards) 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.

Clonmass Bay (Ards) is 26 km (16 miles) from the city of Letterkenny. If you plan a holiday in Donegal, look for hotels and other accommodation in Letterkenny. Letterkenny has rooms for a wide range of budgets as well as car hire and transport links.