Mullaghderg Beach Surf Break

Lat Long: 55.04° N 8.38° W

Mullaghderg Beach Surf Forecast and Surf Report

Issued: 6 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mullaghderg Beach sea temperature is
15.5° C
0.9° 

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


Mullaghderg Beach surf forecast from 9 Aug 2026:

  • Best quality surf: Monday 10 Aug, 7AM (local time) - 3.5ft (1.1m), 8s period, WNW swell with glassy winds.
  • Most powerful swell: Sunday 9 Aug, 1PM (local time) - 5ft (1.6m), 9s period, WNW swell with 424 kJ wave energy.
  • Next surfable swell (1★+): Monday 10 Aug, 7AM (local time) - 3.5ft (1.1m), 8s period with WNW swell.

Best Forecast Surf Conditions for Mullaghderg Beach this week:

The surf forecast for Mullaghderg Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 7AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.3m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Mullaghderg Beach in the next 16 days are 1.6m 9s and forecast to arrive on Sunday (Aug 09) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Tuesday (Aug 11) at 1PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Mon 10th Aug)3.5ft (1.1m) 8s
Best Surf 7AM (Mon 10th Aug)3.5ft (1.1m) 8s
Most Powerful 1PM (Sun 9th Aug)5ft (1.6m) 9s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun morning. Warm (max 23°C on Tue afternoon, min 13°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 23°C on Wed afternoon, min 14°C on Fri night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
1
0
0
1
0
0
1
0
0
1
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)
1.6
WNW
9
1.5
WNW
9
1.3
WNW
8
1.1
WNW
8
1
NNW
10
0.9
NNW
10
0.6
N
9
0.5
N
8
0.9
WSW
10
1
WSW
10
0.9
WSW
9
0.9
WSW
11
1.1
W
10
1.1
W
10
0.9
W
9
0.8
W
9
0.7
W
8
0.6
W
8
0.5
W
7
0.7
W
7
0.6
W
7
Wave Graph
Metric surfscale
Energy kJ
433
368
228
153
218
154
55
35
180
201
153
187
244
234
139
97
66
44
27
48
31
Wind (km/h)
10
NNW
15
W
10
NW
5
WSW
5
WNW
15
ESE
20
SSE
20
S
15
SE
15
SSE
20
SW
5
SW
15
SW
10
W
5
SW
5
WSW
15
WNW
0
W
20
N
15
N
15
N
Wind State
on
cross-on
on
cross-on
cross-on
off
off
cross-off
off
cross-off
cross
glassy
cross
cross-on
glassy
cross-on
on
glassy
cross-on
cross-on
cross-on
High Tide
3:57PM2.83m
4:31AM2.82m
5:01PM3.15m
5:30AM3.02m
5:53PM3.46m
6:19AM3.20m
6:40PM3.71m
7:03AM3.31m
7:22PM3.85m
7:44AM3.35m
8:03PM3.86m
8:23AM3.32m
8:42PM3.75m
Low Tide
10:13PM0.74m
10:35AM0.63m
11:15PM0.45m
11:29AM0.37m
00:07AM0.18m
12:15PM0.14m
00:53AM-0.01m
12:58PM-0.02m
1:35AM-0.10m
1:38PM-0.08m
2:14AM-0.08m
2:17PM-0.04m
2:52AM0.05m
light rain
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:56
5:58
6:01
6:01
6:03
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:21
9:19
9:15
9:14
9:12
9:09
9:07
 mm
5
Temp °C
13
15
15
14
15
16
20
23
22
21
23
21
19
18
17
16
16
15
14
14
13
Feels °C
12
11
12
13
14
13
15
21
21
19
22
23
19
18
18
16
15
14
11
11
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 Mullaghderg Beach Surf forecast

The above surf forecast table for Mullaghderg Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mullaghderg Beach can be found by selecting the local surf guide option on the grey menu. Our Mullaghderg Beach 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 (Mullaghderg Beach) 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 Mullaghderg Beach 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 Donegal? If you are looking for accommodation near Mullaghderg Beach, camping, hotels and holiday cottages in Donegal, consider staying in Letterkenny which is 42 km (26 miles) away. Other places in and around Donegal where you can find information about places to rent, and car hire include Killybegs which is 45 km (28 miles) away, Derry, Derry and Londonderry County Borough.

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