Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 4 Sep 2026:
- Best quality surf: Saturday 5 Sep, 10AM (local time) - 7.5ft (2.3m), 11s period, WNW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 7AM (local time) - 13ft (4.0m), 13s period, WNW swell with 5,799 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 10AM (local time) - 7.5ft (2.3m), 11s 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 Saturday (Sep 05) at 10AM. The primary swell is predicted to be 2.3m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dumps (Brandon Bay) in the next 16 days are 4.0m 13s and forecast to arrive on Tuesday (Sep 08) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Sep 06) at 7AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 5th Sep) | 7.5ft (2.3m) 11s |
| Best Surf | 10AM (Sat 5th Sep) | 7.5ft (2.3m) 11s |
| Most Powerful | 7AM (Tue 8th Sep) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
G’day, I’m Rusty. Let’s break down what’s coming up at Dumps (Brandon Bay). This spot is fairly consistent and gets a good look at the swell, with the best direction from the northwest. Water temp is about 63°, which is just a touch warmer than normal for this time of year.
We’re starting with a blast. Friday the 4th has a huge 13ft swell from the WNW, 12-second period, and a massive 4626 energy reading, but the wind is hammering straight onshore at 22 mph from the west. It’s all chop and chaos. Not for a surfboard – kitesurfers might be the only ones having fun.
Saturday the 5th morning is the real standout. Swell comes down to 8ft from the WNW, still a solid 11-second period, and the wind swings light cross-off from the SSE at 6 mph. Clean. Energy is still pumping at 1192. That’s your session. The waves will have shape and power. It’s intermediate territory at that size, so if you’ve got the skills, get in. The afternoon fades into mediocrity.
Sunday the 6th through Monday the 14th is a long, rough stretch. There’s plenty of swell – some days pushing over 8ft with energy readings in the thousands – but the wind is almost always onshore and often strong. Tuesday the 8th sees a massive 15ft WNW swell at 12 seconds with 5457 energy, but with 22 mph westerly winds, it’s a blown-out mess. Hard no for most surfers.
Finally, Saturday the 12th afternoon offers a bit of relief. The swell is a friendly 6ft from the WNW, 10-second period, and the wind goes glassy. That’s a dream window. Clean, calm, and 548 energy still gives you plenty to work with. The morning of the 12th is also clean at 6ft, just a light cross-onshore.
Thursday the 17th is another bright spot. Morning brings a 5ft WNW swell with light cross-off winds, clean. Then the afternoon goes glassy with 5ft swell – another special session. Those longer period swells (15 seconds on the 14th) can be a bit tricky on beach breaks, but Dumps handles groundswell well as a point break.
By Friday the 18th and Saturday the 19th, it’s all falling apart. Saturday afternoon is down to 1.0ft and 61 energy with a light cross-onshore. That’s your lot.
Best on offer: Saturday the 5th morning for the size and clean conditions, and the glassy afternoons on the 12th and 17th for the silky, fun waves. Dumps can get crowded when it’s good, especially weekends. First week is the main event, second week is smaller but still worth a paddle.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Mon morning. Very mild (max 19°C on Sun morning, min 13°C on Sat morning). Winds increasing (light winds from the SW on Fri night, strong winds from the SW by Mon morning). | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Very mild (max 18°C on Thu morning, min 13°C on Wed afternoon). Winds decreasing (fresh winds from the W on Mon night, light winds from the SW by Wed night). | |||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | WSW 8 | WSW 10 | W 14 | W 10 | W 10 | WNW 11 | WNW 12 | WNW 12 | NW 11 | NW 10 | NW 9 | W 8 | W 8 | W 10 | W 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 4626 | 2757 | 1192 | 590 | 318 | 131 | 637 | 2091 | 1265 | 1732 | 2555 | 5457 | 4434 | 2493 | 1235 | 649 | 291 | 390 | 463 | 320 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross | cross-on | cross-on | on |
High Tide | 11:09PM3.02m | 11:49AM3.05m | 00:43AM2.90m | 1:22PM3.09m | 2:17AM3.03m | 2:43PM3.32m | 3:28AM3.31m | 3:45PM3.64m | 4:22AM3.60m | 4:34PM3.94m | 5:06AM3.85m | 5:17PM4.16m | ||||||||
Low Tide | 4:35PM1.08m | 5:10AM1.23m | 6:11PM1.22m | 6:55AM1.33m | 7:58PM1.08m | 8:28AM1.15m | 9:11PM0.75m | 9:31AM0.86m | 10:05PM0.39m | 10:20AM0.56m | 10:49PM0.10m | 11:02AM0.31m | 11:28PM-0.09m | |||||||
 |  |  | | |  |  |  | | |  | | | | | |  | | | | |
 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | 8:22 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — |
mm | — | — | — | — | — | 1 | 2 | — | 4 | — | 1 | 2 | 1 | — | — | — | 2 | 1 | — | — |
Temp °C | 16 | 15 | 15 | 15 | 18 | 19 | 18 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 15 | 15 | 16 | 18 | 18 | 17 |
Feels °C | 10 | 10 | 12 | 12 | 14 | 15 | 15 | 11 | 8 | 8 | 7 | 7 | 7 | 8 | 11 | 13 | 15 | 16 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | — | WNW 12 | WNW 11 | WNW 10 | WNW 9 | WSW 8 | WSW 10 | W 14 | W 10 | — | NW 13 | — | — | — | NW 10 | NW 9 | W 8 | W 8 | W 10 | W 9 |
| kJ | — | 2757 | 1192 | 590 | 318 | 131 | 637 | 2091 | 1265 | — | 495 | — | — | — | 1235 | 649 | 291 | 390 | 463 | 320 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 13 | — | WNW 8 | NNW 9 | — | — | — | — | — | — | — | — | — | NNW 8 | NNW 8 | N 7 | NNW 7 |
| kJ | — | — | — | 7 | — | 26 | 8 | — | — | — | — | — | — | — | — | — | 54 | 11 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 8 | W 18 | — | — | — | — | — | — | — | — | — | W 12 | — | NNW 8 | N 6 |
| kJ | — | — | — | — | — | 17 | 25 | — | — | — | — | — | — | — | — | — | 11 | — | 6 | 1 |
Wind waves Height (m) Direction Period (s) | WNW 12 | — | — | — | — | SSW 3 | — | — | — | W 10 | WNW 11 | WNW 12 | WNW 12 | NW 11 | — | — | — | — | — | — |
| kJ | 4626 | — | — | — | — | 9 | — | — | — | 1732 | 2555 | 5457 | 4434 | 2493 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 579 | 10 | 0 | 0 | 6 | 421 | 392 | 147 | 405 | 589 | 147 | 579 | 697 | 878 | 2 | 6 | 6 | 6 | 10 | 147 |
Best forecast wave conditions in Kerry | ||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||
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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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