The Peak Surf Break

Lat Long: 54.49° N 8.27° W

The Peak Surf Forecast and Surf Report

Issued: 12 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Peak sea temperature is
16.4°C
2.3° 

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


The Peak surf forecast from 11 Sep 2026:

  • Best quality surf: Saturday 12 Sep, 10PM (local time) - 5ft (1.6m), 12s period, WNW swell with glassy winds.
  • Most powerful swell: Thursday 17 Sep, 1PM (local time) - 8ft (2.4m), 14s period, WNW swell with 2,221 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 4PM (local time) - 4.5ft (1.3m), 9s period with W swell.

Best Forecast Surf Conditions for The Peak this week:

The surf forecast for The Peak over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 4PM. The primary swell is predicted to be 1.3m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Peak in the next 16 days are 2.4m 14s and forecast to arrive on Thursday (Sep 17) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Sep 12) at 4AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Fri 11th Sep)4.5ft (1.3m) 9s
Best Surf10PM (Sat 12th Sep)5ft (1.6m) 12s
Most Powerful 1PM (Thu 17th Sep)8ft (2.4m) 14s

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


The Lowdown

Alright, let’s look at what we’re dealing with. The Peak is the only spot on the menu, and it’s a reef that lights up on a W swell.

The first few days are a bit of a mixed bag. Friday the 11th we get a small pulse around 4ft to 4ft from the west, with a short period of 8 to 9 seconds, so not much grunt behind it. Combined swell energy is weak (205 to 269). Friday morning is a write-off with cross-on wind, but Friday afternoon cleans right up with a light cross-off breeze – that’ll be the pick of the early sessions, small but clean.

Saturday the 12th sees a jump in size to 7ft, period stretching to 12 seconds, and the energy jumps into the moderate range (1040). Problem is, Saturday morning has a messy cross-shore wind and Saturday afternoon turns choppy with cross-on wind. It’s a bit of a grind.

Sunday the 13th is where we get a little breather. It drops back to 3ft from the WNW with a nice 11-second period (267 energy). The wind is offshore, light out of the SE, and conditions are clean. Sunday afternoon stays clean but smaller, around 3ft. It’s small, but for a beginner or someone wanting an easy paddle, the morning session will feel good. This isn’t the standout, though.

From Monday the 14th through to Thursday the 17th, it’s mostly poor. Waves get punchy mid-week – Tuesday the 15th sees 4ft with onshore wind, and Wednesday the 16th bumps to 6ft but with a 30 km/h onshore blow (674 energy). It’s a mess. Thursday the 17th is downright ugly: 7ft to 8ft, 13-second period, but fresh cross-shore and onshore winds, energy bumping up to strong (1497 to 2005). For experts only due to size, but the wind is just not cooperating. This is more kite-surfing territory than paddle surfing.

Now here’s the big one – the true standout of this forecast. Saturday the 21st of September is shaping up to be an absolute classic for the experienced crew. We’ve got a serious groundswell arriving: 13ft on Saturday morning, pushing to 16ft by the afternoon from the WNW, with a 15-second period. That’s very long-period groundswell, pumping with a massive 10048 combined energy – that’s very strong. Now, the wind is moderate cross-shore in the afternoon, which will chop things up a bit, but the morning has a gentle 15 km/h cross-off breeze from the SSW, keeping it clean. This is big, powerful, and will be breaking straight at some beach breaks, but on a reef like The Peak, it’ll hold and offer incredible shaped waves. Paddling out will be a mission between sets, but the rewards will be worth it. This is not for beginners; 16ft is expert territory only.

Sunday the 22nd stays big at 12ft but the wind turns onshore, killing the quality. Monday the 23rd and Tuesday the 24th are smaller but still messy. Then we get another little glimmer on Friday the 26th of September: Saturday the 26th morning shows a 13ft swell from the west with a 14-second period, and the wind is glassy out of the ENE – that’s as good as it gets. The energy is very strong (6184) and conditions will be glassy. If you can handle the size and the long period, this will be a dream session. Again, for experts only.

So overall, there’s some small clean windows early on, but the real highlight is the big groundswell on Saturday the 21st of September. The crowd factor at The Peak is “sometimes” busy, but on a day like that, it’ll be worth the company.

Water temp is not given here, so I can’t say if it’s warmer or cooler than usual.

Rusty.

Short Range Forecast

Heavy rain (total 25mm), heaviest during Fri night. Very mild (max 19°C on Sun afternoon, min 13°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 34mm), heaviest during Mon night. Warm (max 20°C on Mon afternoon, min 12°C on Tue night). Winds increasing (light winds from the S on Sun night, fresh winds from the NW by Tue night).

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
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
2
1
2
0
2
2
1
1
1
0
0
0
0
0
0
0
0
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
8
1.3
W
9
1.6
WNW
13
2
W
12
1.8
W
12
1.2
WNW
12
1
WNW
11
0.9
WNW
10
0.7
WNW
9
0.8
W
8
0.8
W
8
1
W
9
1.1
W
10
1.3
W
10
1.7
WNW
12
1.7
WNW
11
1.4
WNW
10
1.5
W
9
2.2
WNW
13
2.4
WNW
13
2.1
WNW
12
Wave Graph
Metric surfscale
Energy kJ
205
269
823
1040
879
392
218
169
84
74
84
173
244
332
757
672
386
342
1497
2005
1240
Wind (km/h)
15
W
10
SSW
25
S
25
SW
20
W
0
SE
5
SE
10
S
15
SSE
15
S
15
SW
20
SSW
25
W
25
WNW
35
NW
30
NW
25
W
30
WSW
35
WSW
20
W
20
W
Wind State
cross-on
cross-off
cross-off
cross
cross-on
glassy
off
cross-off
cross-off
cross-off
cross
cross-off
cross-on
on
on
on
cross-on
cross
cross
cross-on
cross-on
High Tide
6:35AM3.31m
6:48PM3.88m
7:12AM3.39m
7:24PM3.84m
7:46AM3.40m
7:59PM3.68m
8:19AM3.34m
8:34PM3.45m
8:52AM3.22m
9:08PM3.16m
9:26AM3.05m
9:43PM2.85m
10:02AM2.83m
10:23PM2.54m
Low Tide
12:26PM0.05m
1:00AM-0.15m
1:03PM-0.00m
1:33AM-0.10m
1:39PM0.04m
2:05AM0.04m
2:14PM0.17m
2:36AM0.25m
2:49PM0.38m
3:07AM0.51m
3:26PM0.64m
3:39AM0.79m
4:07PM0.93m
part cloud
part cloud
heavy rain
rain showers
light rain
cloud
cloud
cloud
cloud
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
cloud
cloud
light rain
mod rain
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:58
7:01
7:01
7:03
7:05
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
7:58
7:55
7:52
7:51
7:47
7:45
 mm
22
1
1
4
2
24
2
1
1
5
6
1
Temp °C
15
16
17
18
16
15
18
19
17
19
20
17
15
15
14
12
14
14
14
13
13
Feels °C
11
13
15
15
14
15
18
19
17
19
19
16
10
10
9
6
10
9
9
9
9
  • 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 The Peak Surf forecast

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

The Peak is 20 km (12 miles) from Killybegs. If you plan a holiday in Donegal, 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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