Killadoon Surf Forecast

/ Mayo and Achill Island (14 surf breaks) /

Ireland (149 surf breaks)

Surf Forecasts:

Killadoon surfForecast / Mayo and Achill Island / Ireland

12 Day Weather and Surf, issued 6 pm Tuesday 16 Sep 2025 IST

Forecast update in hr min s Forecast update imminent

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

Today's Killadoon sea temperature is 15.7° C
(Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Killadoon this week:

The surf forecast for Killadoon over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 7AM. The primary swell is predicted to be 1.0m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Killadoon in the next 12 days are 2.0m 13s and forecast to arrive on Wednesday (Sep 17) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Sep 17) at 1AM.

Wave Type	Time (IST) & Date	Wave Height & Period
Next good surf (1 star+)	7AM (Thu 18th Sep)	3.5ft (1.0m) 11s
Best Surf	7AM (Thu 18th Sep)	3.5ft (1.0m) 11s
Most Powerful	4PM (Wed 17th Sep)	6.5ft (2.0m) 13s

Table - best surf conditions forecast for Killadoon 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 30mm), heaviest during Tue night. Very mild (max 17°C on Tue night, min 12°C on Tue night). Winds decreasing (near gales from the SW on Wed morning, light winds from the ESE by Thu morning).											Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Fri night. Very mild (max 14°C on Fri afternoon, min 10°C on Sat night). Winds decreasing (strong winds from the N on Sat afternoon, light winds from the NNW by Mon morning).
	Tue 16		Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	WSW	WSW	WSW	WSW	SW	SW	WSW	WSW	W	W	NNW	NNW	NW	N	NW	NW	NW	W	W
Period(s) (?)	10	10	10	13	12	11	10	4	9	10	10	9	11	5	10	4	10	10	11	16	14
Wave Graph (?)
kJ (?)	98	28	510	1401	599	90	192	40	113	145	67	39	508	85	34	13	4	4	4	5	36
Wind (km/h)	SSW	SE	SW	SW	SW	ESE	SSW	SW	SSW	SSW	WSW	N	N	N	NNE	N	N	NE	NNW	E	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- off	cross	cross	cross	off	cross	cross	cross	cross	cross- on	cross	cross	cross	cross	cross	cross	cross- off	cross- on	cross- off	off
High Tide / height (m)		2:51AM 2.85		3:09PM 3.14	4:00AM 3.07		4:08PM 3.40		4:48AM 3.31	4:54PM 3.63		5:26AM 3.50	5:31PM 3.80		5:59AM 3.65	6:05PM 3.89		6:30AM 3.74	6:37PM 3.91		6:59AM 3.78
Low Tide / height (m)		8:30PM 1.10	8:58AM 1.30		9:42PM 0.83	9:59AM 1.05		10:32PM 0.56	10:43AM 0.81		11:11PM 0.34	11:20AM 0.60		11:45PM 0.19	11:53AM 0.44		12:15AM 0.12	12:24PM 0.35		12:44AM 0.12	12:55PM 0.32

	Tue 16		Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
Sunrise	-	-	7:15	-	-	7:16	-	-	7:18	-	-	7:20	-	-	7:22	-	-	7:24	-	-	7:26
Sunset	7:53	-	-	7:52	-	-	7:49	-	-	7:46	-	-	7:44	-	-	7:42	-	-	7:38	-	-

Rain (mm)	1	22	-	-	-	5	1	1	-	-	1	2	1	2	-	-	-	-	-	-	-
Temp. °C	14	17	15	14	14	15	16	16	14	14	14	12	12	11	11	12	11	12	12	11	11
Feels °C (?)	10	10	6	5	7	12	12	11	9	8	7	3	2	2	2	4	6	10	8	8	10

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 Mayo and Achill Island

Wind Update Offshore wind has become cross-off at Killadoon (light winds from the E at Letterfrack wx 17 km from Killadoon). A 0.8m swell from the W
46 minutes ago Killadoon

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17 km away, 46 min ago

11 km/h

0.0

15.7

Air / Water (°C)

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Killadoon 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 Killadoon Surf forecast

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

Are you planning a holiday in Mayo and Achill Island? If you are looking for accommodation near Killadoon, camping, hotels and holiday cottages in Mayo and Achill Island, consider staying in Westport which is 28 km (17 miles) away. Other places in and around Mayo and Achill Island where you can find information about places to rent, and car hire include Belmullet which is 58 km (36 miles) away, Claremorris, Ballina and Galway.