Mullaghmore Surf Break

Lat Long: 54.46° N 8.45° W

Mullaghmore Surf Forecast and Surf Report

Issued: 6 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mullaghmore sea temperature is
16.3°C
1.9° 

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


Mullaghmore surf forecast from 9 Sep 2026:

  • Best quality surf: Friday 11 Sep, 7PM (local time) - 5ft (1.5m), 11s period, WNW swell with glassy winds.
  • Most powerful swell: Saturday 12 Sep, 10AM (local time) - 7.5ft (2.3m), 12s period, W swell with 1,556 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 7PM (local time) - 5ft (1.5m), 11s period with WNW swell.

Best Forecast Surf Conditions for Mullaghmore this week:

The surf forecast for Mullaghmore over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 7PM. The primary swell is predicted to be 1.5m and 11s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mullaghmore in the next 16 days are 2.3m 12s and forecast to arrive on Saturday (Sep 12) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Thursday (Sep 10) at 7AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Fri 11th Sep)5ft (1.5m) 11s
Best Surf 7PM (Fri 11th Sep)5ft (1.5m) 11s
Most Powerful10AM (Sat 12th Sep)7.5ft (2.3m) 12s

Table - best surf conditions forecast for Mullaghmore over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let's have a look at what's on the cards for Mullaghmore over the next couple of weeks.

Right off the bat, the first week is a grind. We’ve got a heap of days with poor conditions and scores that don't reflect what you want to see. The real kicker is that the wind is mostly from the wrong direction for this sheltered spot, which needs that SE offshore. That big swell on the 8th of September is a no-go with a strong NW wind tearing it apart. You’ll be watching that one from the car park.

The first real glimmer of hope shows up on the morning of Tuesday the 15th of September. The swell drops to 5ft from the west, and more importantly, we get a light cross-offshore breeze. It’s not perfect, but it’s clean and the wave energy is moderate (422). This is the first time the stars are semi-aligned, making it a solid option for a more experienced surfer to get a few.

Then, the wait is on. There’s a real gap after that, but the patience pays off big time. The standout session is the morning of Friday the 18th of September. The guidance tells us this is the one to circle. We’ve got a solid 7ft swell from the west, pushing in with a long 11-second period, and the combined energy is strong (1048). The wind is a light breeze from the SSW, keeping it cross-offshore and clean. For a reef break like this, that’s a dream setup. The swell is big, but it’s not out of control for the advanced crew, and the consistency is there. This is the best on offer.

We also get a couple of nice follow-up sessions. The morning of Saturday the 19th of September has a clean 5ft swell from the WNW with a light offshore SE wind. And then, looking further into the second week, the morning of Wednesday the 23rd of September looks promising. It’s a long-range call, so it’s less certain, but it’s showing a 5ft swell from the west with a very long 14-second period and glassy conditions. That’s the kind of forecast that gets you excited.

The water temperature is sitting at 61°, which is a touch warmer than normal for this time of year. Not a huge anomaly, but you’ll probably notice it’s a little more comfortable than usual.

So, to wrap it up: the first week is mostly a write-off. The window opens on the 15th, but the real day to clear your schedule is the morning of the 18th of September. Keep an eye on the 23rd as well, but don’t book the time off just yet.

Rusty.

Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 17°C on Thu afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the NW on Tue afternoon, light winds from the WNW by Tue night).

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Fri night. Very mild (max 18°C on Mon morning, min 13°C on Fri night). Mainly fresh winds.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
WNW
10
1.8
WNW
10
1.2
WNW
9
0.9
WNW
8
0.8
WNW
8
0.7
W
8
1.3
WSW
10
1.2
W
10
1.3
W
8
1.2
WNW
9
1.7
WNW
13
2.3
W
12
1.9
WNW
12
1.4
WNW
12
1.1
WNW
11
0.9
WNW
10
0.7
WNW
9
0.8
W
8
1.2
W
11
1.7
W
10
Wave Graph
Metric surfscale
Energy kJ
1108
615
213
119
75
69
385
290
239
232
946
1556
1019
530
260
173
86
86
329
563
Wind (km/h)
35
NW
25
NW
15
W
15
SW
20
SSE
30
S
30
WSW
25
WNW
20
W
10
W
30
S
20
SW
20
WSW
15
WNW
10
S
15
S
15
S
15
SSW
20
SW
15
S
Wind State
on
on
cross-on
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-off
cross
cross-on
on
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
4:39PM3.34m
5:13AM3.02m
5:27PM3.64m
5:57AM3.22m
6:09PM3.85m
6:36AM3.37m
6:48PM3.94m
7:12AM3.45m
7:25PM3.90m
7:47AM3.46m
8:00PM3.74m
8:20AM3.39m
8:34PM3.49m
Low Tide
11:03PM0.38m
11:05AM0.45m
11:47PM0.12m
11:47AM0.23m
00:25AM-0.05m
12:26PM0.09m
1:01AM-0.11m
1:03PM0.03m
1:34AM-0.07m
1:39PM0.07m
2:06AM0.07m
2:15PM0.19m
2:37AM0.27m
rain showers
part cloud
rain showers
cloud
light rain
rain showers
rain showers
part cloud
part cloud
part cloud
light rain
rain showers
light rain
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
6:58
6:58
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:08
8:06
8:04
8:00
7:59
7:55
7:53
 mm
1
1
1
1
1
3
2
1
Temp °C
14
13
14
15
13
16
17
14
15
15
14
17
16
14
16
17
17
18
19
17
Feels °C
7
7
11
11
10
12
12
9
11
13
10
15
13
13
14
15
15
17
17
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Mullaghmore Surf forecast

The above surf forecast table for Mullaghmore provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mullaghmore can be found by selecting the local surf guide option on the grey menu. Our Mullaghmore 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 (Mullaghmore) 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 Mullaghmore 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.

Mullaghmore is 20 km (12 miles) from Killybegs. If you plan a holiday in Sligo, look for hotels and other accommodation in Killybegs. Killybegs has rooms for a wide range of budgets as well as car hire and transport links.

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