Dumps (Brandon Bay) Surf Break

Lat Long: 52.29° N 10.04° W

Dumps (Brandon Bay) Surf Forecast and Surf Report

Issued: 12 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dumps (Brandon Bay) sea temperature is
16.4°C
1.3° 

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 15 Sep 2026:

  • Best quality surf: Friday 18 Sep, 4AM (local time) - 15ft (4.5m), 14s period, WNW swell with cross-onshore winds.
  • Most powerful swell: Thursday 17 Sep, 10PM (local time) - 16ft (5.0m), 15s period, NW swell with 9,868 kJ wave energy.
  • Next surfable swell (1★+): Friday 18 Sep, 4AM (local time) - 15ft (4.5m), 14s period with WNW swell.

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

The surf forecast for Dumps (Brandon Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 4AM. The primary swell is predicted to be 4.5m and 14s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Dumps (Brandon Bay) in the next 16 days are 5.0m 15s and forecast to arrive on Thursday (Sep 17) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Fri 18th Sep)15ft (4.5m) 14s
Best Surf 4AM (Fri 18th Sep)15ft (4.5m) 14s
Most Powerful10PM (Thu 17th Sep)16ft (5.0m) 15s

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


The Lowdown

Alright folks, Rusty here. Let's break down this 16-day outlook for you. We're looking at a pretty wild ride at the one spot on the menu.

First up, it’s a rough start. Don’t bother waxing up for the first eight days, from Tuesday the 15th of September right through to Tuesday the 22nd. That whole stretch is a write-off. The onshore wind is relentless, hammering the place with a fresh breeze or stronger most of the time, and the swell is just a messy, blown-out brute. The combined energy sits in the moderate to very strong range, but it’s all wasted. It’s poor surf conditions, no question. You’d be fighting a losing battle out there. Between Thursday the 17th and Friday the 18th, we’re talking solid 15ft waves with a 13-second period, but the wind is screaming onshore. It’s the kind of setup that looks more interesting for kite surfing than paddle surfing, to be honest. Even the few marginal windows on Saturday and Sunday the 20th are still cross-onshore and choppy. Just save your energy.

Now we get to the stuff worth talking about. The real standout in this whole forecast is Wednesday, September 23rd. For the morning session at Dumps (Brandon Bay), a powerful, long-period groundswell from the WNW rolls in. We are looking at 10ft with a solid 13-second period, and the combined energy is pumping. The wind is light from the SSE, giving us clean, cross-offshore conditions. The report calls this excellent for experienced surfers, and that’s exactly what it is. This is the one to circle on the calendar. A big, clean, lined-up swell at a break that’s fairly exposed to that direction. It’s going to be a serious session. Keep in mind, with that size and power, this is strictly for the experienced crew. The crowd factor is listed as sometimes, so you might have some company, but it’ll be worth sharing the lineup for waves like that.

After that big day, the pattern settles down. The following standout is Friday, September 25th. The morning shows another clean window with a clean 7ft swell from the W, 12-second period, and light cross-offshore wind. Good energy. Then the afternoon gets even cleaner. The wind goes glassy from the WNW, and though the swell drops to 6ft with a 12-second period, the description says "expect very good surf conditions." That’s a super clean, fun-sized afternoon on your hands.

After that, the swell fades into the end of the month and the start of October. There’s a nice stretch from the morning of Saturday, September 26th right through to Wednesday, September 30th with smaller, cleaner waves. The wind is mostly light, often offshore or glassy, so the conditions will be beautiful. The swell is on the smaller side (1ft to 5ft), so you won’t get any of the power from the 23rd, but for a longboard or a funboard, these will be clean, user-friendly days. The combined energy drops right back down, so we’re talking weak to moderate energy. Don’t expect any barrels, but expect some lovely, clean little lines.

To wrap it up: the first week is a total bust, so don't bother. The absolute best day is without a doubt the morning of Wednesday, September 23rd for a powerful, expert-level session. The secondary call is Friday the 25th for a cleaner, more manageable day. After that, settle in for smaller but very clean conditions through the end of the window.

Rusty.

Short Range Forecast

Light rain (total 6mm), mostly falling on Wed night. Very mild (max 16°C on Mon night, min 13°C on Wed morning). Winds increasing (light winds from the W on Wed morning, strong winds from the W by Thu morning).

Days 4-6 Weather Summary

Moderate rain (total 13mm), heaviest on Fri morning. Very mild (max 19°C on Sun afternoon, min 14°C on Thu night). Winds decreasing (fresh winds from the SSW on Fri morning, light winds from the SW by Sat night).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
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
0
0
1
0
0
0
0
0
0
0
1
1
1
3
2
1
3
2
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)
2.1
W
9
2.3
WNW
9
3
WNW
11
2.5
WNW
10
2.1
WNW
10
2.5
WNW
9
3.5
WNW
10
4.5
WNW
13
4.5
WNW
14
3.5
WNW
13
3
WNW
12
3
WNW
11
1.8
W
10
1.6
NW
10
2.5
WNW
11
2.5
WNW
12
2.5
WNW
12
2.2
WNW
12
2.1
WNW
11
1.3
WNW
11
1.7
W
10
Wave Graph
Metric surfscale
Energy kJ
742
826
2186
1360
846
1106
2396
6689
8296
4324
2664
1975
630
538
1599
2004
2029
1381
1111
379
557
Wind (km/h)
25
WNW
30
NW
30
NW
15
W
30
WSW
30
W
40
W
35
WNW
20
W
30
SSW
25
SW
20
SW
15
WSW
15
W
10
SSW
15
S
15
SW
15
S
15
S
15
SW
10
S
Wind State
on
cross-on
cross-on
on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-on
cross
cross
cross-on
cross
High Tide
8:04AM3.75m
8:21PM3.63m
8:38AM3.51m
8:58PM3.31m
9:15AM3.24m
9:41PM3.00m
10:01AM2.97m
10:38PM2.71m
11:08AM2.75m
00:05AM2.54m
12:43PM2.69m
1:47AM2.59m
2:12PM2.83m
2:57AM2.80m
Low Tide
2:01PM0.48m
2:17AM0.63m
2:36PM0.75m
2:51AM0.96m
3:16PM1.06m
3:30AM1.28m
4:07PM1.36m
4:27AM1.57m
5:36PM1.58m
6:18AM1.72m
7:41PM1.53m
8:06AM1.59m
8:51PM1.29m
rain showers
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:15
7:16
7:18
7:20
7:20
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:55
7:53
7:51
7:49
7:46
7:44
7:42
 mm
1
4
5
4
4
Temp °C
15
15
14
15
15
15
14
14
14
15
16
16
16
16
15
18
19
17
18
18
17
Feels °C
10
10
8
12
10
10
6
7
8
11
13
13
14
14
13
17
18
15
16
16
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 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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