Mullaghmore Surf Break

Lat Long: 54.46° N 8.45° W

Mullaghmore Surf Forecast and Surf Report

Issued: 12 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mullaghmore sea temperature is
16.5°C
2.0° 

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


Mullaghmore surf forecast from 5 Sep 2026:

  • Best quality surf: Saturday 12 Sep, 7AM (local time) - 5ft (1.6m), 11s period, WNW swell with glassy winds.
  • Most powerful swell: Tuesday 8 Sep, 7AM (local time) - 11ft (3.5m), 11s period, W swell with 2,561 kJ wave energy.
  • Next surfable swell (1★+): Saturday 12 Sep, 7AM (local time) - 5ft (1.6m), 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 Saturday (Sep 12) at 7AM. The primary swell is predicted to be 1.6m 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 3.5m 11s and forecast to arrive on Tuesday (Sep 08) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Sep 06) at 1PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Sat 12th Sep)5ft (1.6m) 11s
Best Surf 7AM (Sat 12th Sep)5ft (1.6m) 11s
Most Powerful 7AM (Tue 8th Sep)11ft (3.5m) 11s

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 coming up for the next couple of weeks.

Well, I’ll be honest, the outlook for Mullaghmore is a tough one. The next wave of any real size doesn’t show up until late in the window, but the wind is a nightmare for a long stretch. We’ve got a real mixed bag of conditions, with a lot of days where the swell is there but the wind just ruins it. The first real chance of anything decent doesn’t come until Saturday the 12th of September, and even then, it’s a short window.

The whole pattern is dominated by a very strong swell event right in the middle of the first week. From Sunday the 7th through Tuesday the 9th, the combined energy is absolutely pumping – hitting four-digit values like 1070 and even 2396 on Tuesday morning – with swell heights pushing 10 feet from the WNW. That’s serious power, but the wind is howling from the WSW and WNW, cross to onshore, just making a mess of it. That’s a setup that looks way more interesting for the kite surfers than for paddle surfing. Too much wind, too much chop.

After that, the swell drops right off. Wednesday the 9th and Thursday the 10th are tiny, with swells barely over 3 feet. The water temp is sitting at 62°F which is a touch warmer than normal for this time of year, so that’s a small comfort for a paddle.

Now, the stand-out. It’s not a huge one, but it’s the only real window we’ve got. Saturday the 12th of September. The morning is looking tasty. The swell is a solid 5 feet from the WNW with a period of 11 seconds. That’s a nice groundswell with some proper energy behind it – the combined energy reads 467. But the real kicker is the wind: glassy. A flat calm, zero wind, off the NW. At Mullaghmore, a reef break that’s sheltered and needs a clean NW swell, this is the moment. It’s going to be clean, lined up, and powerful. The crowd profile says “sometimes,” so you might have a few others in the water, but for a setup like this, it’s worth it. The swell direction is dribbling in from the WNW, which is a solid match for the optimum NW direction. This is for the advanced crew though – that 5 feet on a reef with a long period can be a handful. After that, the afternoon wind swings around to a light cross-on from the W, and it’ll get a bit bumpy.

After that Saturday, it’s back to the small stuff. Sunday the 13th is tiny, and the next blip of energy shows up on Tuesday the 15th with another 5 feet swell from the WNW, but the wind is back on it, cross-onshore, so it’s choppy again. There’s a faint hope on Wednesday the 16th with a 4 feet swell and light offshore SSE wind in the morning, giving clean conditions, but it’s just average, ordinary surf.

So, bottom line: if you’re an expert with a keen eye on the wind, the only real play is that Saturday the 12th morning. The rest of the 16 days is mostly a washout with strong wind and small, messy waves. The surf is there, but the conditions just aren’t cooperating.

Rusty.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon morning. Very mild (max 19°C on Sun morning, min 13°C on Sun night). Winds increasing (light winds from the SSW on Sat afternoon, strong winds from the WSW by Mon night).

Days 4-6 Weather Summary

Moderate rain (total 14mm), heaviest on Thu night. Very mild (max 16°C on Thu afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the WNW on Tue morning, light winds from the SW by Wed afternoon).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
W
10
1.3
WNW
10
0.9
WNW
9
0.6
W
8
0.7
W
10
1.1
W
6
1.2
W
9
2.4
W
10
3
W
11
3
WNW
11
3
WNW
11
1.9
WNW
10
1.3
WNW
9
1
WNW
8
0.7
WNW
8
0.7
W
8
0.6
W
10
1.2
W
5
1.7
WNW
8
1.6
WNW
9
1.5
WNW
10
Wave Graph
Metric surfscale
Energy kJ
644
328
132
49
94
86
246
1070
2067
2396
1764
717
249
144
60
55
68
65
336
394
399
Wind (km/h)
20
WSW
10
SSW
20
SSE
40
S
30
SSW
25
SW
30
SW
35
WSW
45
W
40
WNW
35
WNW
15
NW
15
W
10
SW
15
S
10
SSE
15
S
20
WSW
35
WNW
25
NW
10
NNW
Wind State
cross
cross-off
off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross-off
off
cross-off
cross
on
on
on
High Tide
12:40PM2.65m
1:30AM2.47m
2:18PM2.72m
3:09AM2.55m
3:39PM3.00m
4:20AM2.77m
4:39PM3.34m
5:13AM3.02m
5:27PM3.64m
5:57AM3.22m
6:09PM3.85m
6:36AM3.37m
6:48PM3.94m
Low Tide
7:02PM1.11m
7:40AM1.13m
8:53PM0.99m
9:13AM0.98m
10:09PM0.69m
10:16AM0.72m
11:03PM0.38m
11:05AM0.45m
11:47PM0.12m
11:47AM0.23m
00:25AM-0.05m
12:26PM0.09m
1:01AM-0.11m
part cloud
cloud
light rain
cloud
rain showers
part cloud
light rain
part cloud
rain showers
rain showers
rain showers
part cloud
cloud
cloud
part cloud
part cloud
cloud
mod rain
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:48
6:50
6:52
6:54
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:14
8:10
8:08
8:06
8:04
8:00
 mm
1
2
5
2
2
2
10
1
1
Temp °C
15
16
18
19
18
15
14
15
14
14
14
14
14
15
14
15
16
14
14
14
14
Feels °C
12
14
14
12
14
11
7
7
6
8
7
10
10
13
12
12
14
12
7
9
10
  • 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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