Dumps (Brandon Bay) Surf Break

Lat Long: 52.29° N 10.04° W

Dumps (Brandon Bay) Surf Forecast and Surf Report

Issued: 6 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dumps (Brandon Bay) sea temperature is
17.6°C
1.7° 

Dumps (Brandon Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Dumps (Brandon Bay) surf forecast from 29 Aug 2026:

  • Most powerful swell: Thursday 3 Sep, 7PM (local time) - 20ft (6.0m), 14s period, WNW swell with 12,461 kJ wave energy.

Best Forecast Surf Conditions for Dumps (Brandon Bay) this week:

The most powerful waves expected at Dumps (Brandon Bay) in the next 16 days are 6.0m 14s and forecast to arrive on Thursday (Sep 03) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Saturday (Sep 05) at 7AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7PM (Thu 3rd Sep)20ft (6.0m) 14s

Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.


The Lowdown

Alright folks, let’s talk about the next couple of weeks at Dumps (Brandon Bay). I’m not gonna lie to you, it’s a tough stretch of forecasts. The water is sitting at 64°, which is a touch warmer than normal for this time of year, so that’s a small plus if you’re brave enough to get in.

We’re starting off on Saturday, the 29th of August, with tiny 2ft windswell out of the WNW and a period of just 4 seconds. The combined energy is a weak 22, and with a 9 mph onshore wind, it’s just not going to be worth paddling out.

Sunday the 30th brings a bit more size at 5ft, coming from the west with a period of 10 seconds. The combined energy jumps to 361 (moderate), but the wind is either cross-onshore from the SW or onshore from the WNW. It’s going to be choppy and messy.

Monday the 31st is more of the same – 5ft of west swell, period around 10 seconds, energy at 559, but again, the wind is onshore or cross-onshore. The surf quality is consistently described as poor.

The pattern continues into Tuesday the 1st and Wednesday the 2nd of September. Wednesday morning sees the swell bump up to 6ft from the WSW, with a short period of 8 seconds. The energy is moderate (460), but the wind is a moderate cross-onshore at 16 mph, and there’s even some light rain. It’s just not clean.

Now, Thursday the 3rd of September is a different beast. The swell is massive – 12ft in the morning, building to 16ft in the afternoon. The period stretches to 12 seconds, so it’s a proper groundswell. The combined energy is a huge 2958 (strong) in the morning and a massive 7500 (very strong) in the afternoon. But here’s the kicker: the wind is a howling onshore 25 mph westerly. That’s a strong breeze. That much swell with that much wind is going to be a complete washing machine. For experts only, and even then, it’s going to be a battle. The shape at a beach break like Dumps with that long period will be straight and dumpy too.

Friday the 4th is still big – 13ft in the morning, dropping to 10ft in the afternoon. The wind eases up to a fresh breeze (19 mph) and then a moderate breeze (12 mph), but it’s still onshore. The afternoon gets a “marginal” rating, which is the best we’ve seen, but with 10ft and onshore wind, it’s still heavy and messy.

The weekend of the 5th and 6th of September is a letdown. The swell drops back to 4ft to 8ft, and the wind is either cross-onshore or cross-shore. Sunday the 6th morning has a fleeting moment of clean conditions with a cross-offshore wind from the south, 7ft of swell, and energy of 665. That’s the closest to a surfable window we get, but it’s still only a “marginal” call.

The second week is a real mix. Monday the 7th has 7ft swell but with a strong breeze onshore (25 mph). Tuesday the 8th is smaller and still windy. Wednesday the 9th is tiny and onshore. Then, out of the blue, on Thursday the 10th of September, we get a surprise. The wind swings to a light cross-offshore from the ESE at 9 mph, and the swell is a clean 10ft from the west with a very long period of 15 seconds. The combined energy is a strong 2940. This is the standout of the whole forecast. The conditions are clean. Because the period is so long, at Dumps (a beach break) it might be a bit too straight and fast, but if you can find a peak, it could be the best day of the two weeks. The rating is only a 2 out of 10, but that’s the highest we see.

After that, we’re back to poor conditions. Friday the 11th is onshore, and the weekend of the 12th and 13th of September is a write-off, with a near gale blowing (34 mph) and blown-out conditions.

So, the honest truth is: there’s a lot of waiting for very little. The best bet is that Thursday the 10th of September for a clean, powerful, long-period swell, but it’s a long way off, so keep an eye on the charts. Otherwise, it’s a period of mostly poor or marginal surf. The area knows these blank runs, so don’t be too surprised.

Rusty.

Short Range Forecast

Light rain (total 7mm), mostly falling on Sat night. Very mild (max 18°C on Tue morning, min 15°C on Sat night). Mainly fresh winds.

Days 5-7 Weather Summary

Moderate rain (total 10mm), heaviest on Tue night. Very mild (max 19°C on Wed afternoon, min 14°C on Thu night). Mainly strong winds.

Sat
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
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
0
0
0
0
0
0
0
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)
0.6
WNW
4
0.9
WSW
8
1.4
W
10
1.4
W
9
2.5
WNW
7
1.4
W
10
1.3
W
10
1.5
W
8
1.3
W
8
1.3
WNW
8
1
WNW
8
1.9
WSW
8
1.9
W
8
2
W
9
3.5
W
10
5
WNW
12
5
WNW
13
4
WNW
12
3
WNW
11
2.1
WNW
10
Wave Graph
Metric surfscale
Energy kJ
10
118
354
318
639
371
305
255
201
202
136
449
493
627
2956
7500
9030
3959
2034
832
Wind (km/h)
15
WNW
15
S
15
SW
10
WNW
35
NW
15
W
15
SW
20
SSW
15
SSW
20
SW
25
S
25
SSW
25
SW
30
SW
40
W
40
W
40
W
30
W
20
WSW
25
S
Wind State
on
cross
cross-on
on
cross-on
on
cross-on
cross-on
cross
cross-on
cross
cross-on
cross-on
cross-on
on
on
on
on
on
cross
High Tide
6:37PM4.05m
7:00AM3.87m
7:10PM4.04m
7:33AM3.87m
7:44PM3.96m
8:08AM3.79m
8:22PM3.79m
8:47AM3.64m
9:05PM3.55m
9:33AM3.44m
9:58PM3.28m
10:31AM3.21m
11:09PM3.02m
Low Tide
00:43AM0.06m
12:53PM0.27m
1:14AM0.07m
1:27PM0.30m
1:47AM0.18m
2:02PM0.41m
2:23AM0.37m
2:42PM0.59m
3:05AM0.64m
3:30PM0.83m
3:56AM0.95m
4:35PM1.08m
clear
rain showers
thunderstorm
clear
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
mod rain
rain showers
part cloud
clear
clear
clear
rain showers
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:48
6:50
6:52
6:52
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:35
8:32
8:30
8:29
8:25
8:23
8:22
 mm
4
2
1
7
2
1
Temp °C
17
16
16
16
15
16
16
15
18
18
18
18
19
17
15
16
15
15
16
17
Feels °C
15
15
14
14
8
13
13
12
16
15
16
16
17
14
8
9
8
9
13
15
  • 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 Dumps (Brandon Bay) Surf forecast

The above surf forecast table for Dumps (Brandon Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dumps (Brandon Bay) can be found by selecting the local surf guide option on the grey menu. Our Dumps (Brandon Bay) 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 (Dumps (Brandon Bay)) 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 Dumps (Brandon Bay) 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 Kerry? If you are looking for accommodation near Dumps, camping, hotels and holiday cottages in Kerry, consider staying in Fenit which is 12 km (7 miles) away. Other places in and around Kerry where you can find information about places to rent, and car hire include Tra Li which is 22 km (14 miles) away, Valentia, Foynes and Bantry.

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