
Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 11 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 10AM (local time) - 3.5ft (1.0m), 10s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 6ft (1.8m), 11s period, WNW swell with 773 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 10AM (local time) - 3.5ft (1.0m), 10s period with WSW 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 Wednesday (Aug 12) at 10AM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.1m and 8s. 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 1.8m 11s and forecast to arrive on Tuesday (Aug 18) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Wed 12th Aug) | 3.5ft (1.0m) 10s |
| Best Surf | 10AM (Wed 12th Aug) | 3.5ft (1.0m) 10s |
| Most Powerful | 10PM (Tue 18th Aug) | 6ft (1.8m) 11s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
Alright, Rusty here, looking over the charts for Brandon Bay.
First up, the water at Dumps is sitting at about 64°, which is a tick warmer than you'd normally expect for this time of year. Not a major shock, but nice to know.
Alright, the honest truth is, we've got a pretty grim start. The first proper surf recommendation doesn't kick off until Tuesday the 11th of August, but even then, it’s a write-off. We're talking a tiny 2ft swell from the west with a moderate cross-breeze. The combined wave energy is weak, just 141, and the report says it's poor conditions. Don't bother. We've got a long gap of flat, messy days. Wednesday the 12th is a little better with the swell bumping to 3ft and clean conditions in the morning, but the cross-off wind from the SSE keeps it feeling ordinary.
Honestly, the pattern through to the 18th is just a string of days with poor surf, wind-affected bumps, and very little energy. You'll be looking at weak, choppy waves that just aren't worth the paddle. The swell direction is mostly west or north-west, but the wind is all over the place, mostly cross or cross-onshore.
Now, here’s where it gets interesting. On Wednesday the 19th of August, things wake up. We get a groundswell from the north-west at 4ft, but with a period of 12 seconds, that's a proper long-period swell. The combined energy is strong at 866. The catch is the wind is blowing onshore from the WNW in the morning. The swell direction is bang on from the optimum north-west, which Dumps loves. Still, it's marked as a marginal forecast, so it's a watch-and-see.
The real standout for the whole outlook, and I mean the big one, is Tuesday the 25th of August. That afternoon, we see a solid 7ft swell from the north-west riding on a very long 12-second period. The combined energy is a massive 1250, which is a serious amount of power. This is real groundswell. Dumps is a beach break, and that long period stuff can race through and close out, but the power will be there. It's pushed by a light cross-onshore breeze, so it won't be glassy, but it won't be a washing machine either. The main problem is that at 7ft, this is edging into expert territory for the average surfer. It’s a session for the experienced crew.
Before that, on Monday the 24th of August, the morning looks promising. We’ve got a 7ft swell from the west with a good 9-second period, the combined energy is solid at 655, and the wind is cross-off from the NNE. That means clean, groomed faces. This one is the best bet for the intermediate surfer, as it's a bit more manageable than the Wednesday pulse.
To be brutally honest, for most of this run, the surf is poor, the wind is messy, and the quality just isn't there. The 25th holds a ton of power but brings a crowd risk, as Dumps can get busy when it's on. If it's too messy and lumpy on the 20th and 21st, with strong cross-onshore winds and 6ft to 7ft swell, that setup at a beach break starts looking more interesting for the kite crew than anyone paddling.
Stay patient. The 24th morning looks like your best window for a clean, fun wave, and the 25th afternoon is a powerful, expert-only proposition that's worth keeping an eye on, even if it's a bit unpredictable this far out.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 21°C on Tue afternoon, min 15°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun morning. Very mild (max 15°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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) | W 11 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 9 | W 8 | WNW 8 | W 8 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | W 8 | W 8 | W 8 | W 7 |
Wave Graph | ||||||||||||||||||||
119 | 173 | 175 | 169 | 360 | 279 | 225 | 192 | 138 | 171 | 181 | 178 | 140 | 128 | 84 | 62 | 127 | 78 | 113 | 62 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:47PM3.93m | 5:21AM3.81m | 5:34PM4.17m | 6:07AM3.98m | 6:18PM4.31m | 6:49AM4.04m | 6:59PM4.33m | 7:29AM4.01m | 7:39PM4.21m | 8:07AM3.89m | 8:18PM3.99m | 8:44AM3.71m | 8:57PM3.70m | |||||||
Low Tide | 11:02PM0.15m | 11:17AM0.35m | 11:47PM-0.09m | 12:00PM0.20m | 00:29AM-0.20m | 12:41PM0.14m | 1:08AM-0.18m | 1:20PM0.18m | 1:46AM-0.03m | 1:58PM0.32m | 2:23AM0.22m | 2:37PM0.54m | 2:59AM0.54m | |||||||
— | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | |
— | 9:13 | — | — | 9:10 | — | — | 9:09 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | — | — | — | — | — |
Temp °C | 21 | 19 | 20 | 21 | 20 | 21 | 21 | 17 | 16 | 15 | 15 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 19 | 18 | 20 | 22 | 21 | 21 | 21 | 16 | 13 | 11 | 11 | 10 | 10 | 11 | 10 | 11 | 14 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | W 11 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 9 | W 8 | — | W 8 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | W 8 | W 8 | W 8 | W 7 |
119 | 173 | 175 | 169 | 360 | 279 | 225 | 192 | 138 | — | 181 | 178 | 140 | 128 | 84 | 62 | 127 | 78 | 113 | 62 | |
Swell 2 Height (m) Direction Period (s) | NW 8 | N 8 | N 8 | W 12 | — | — | — | — | — | — | — | — | — | — | WSW 7 | W 7 | NNW 7 | NNW 7 | N 8 | N 7 |
16 | 6 | 1 | 27 | — | — | — | — | — | — | — | — | — | — | 11 | 8 | 21 | 5 | 5 | 4 | |
Swell 3 Height (m) Direction Period (s) | N 9 | NW 7 | — | N 8 | — | — | — | — | — | — | — | — | — | — | W 6 | W 11 | N 9 | N 8 | NNW 7 | — |
6 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 6 | 5 | 5 | — | |
Wind waves Height (m) Direction Period (s) | SW 6 | SSW 2 | — | — | — | — | — | — | — | WNW 8 | N 5 | — | — | — | — | — | — | — | — | SW 3 |
11 | 1 | — | — | — | — | — | — | — | 171 | 24 | — | — | — | — | — | — | — | — | 2 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 6 | 6 | 0 | 0 | 0 | 0 | 6 | 227 | 386 | 616 | 122 | 85 | 600 | 5 | 0 | 0 | 222 | 95 | 17 | 6 |
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.











