Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 8 Sep 2026:
- Best quality surf: Sunday 13 Sep, 10AM (local time) - 5ft (1.6m), 11s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 1PM (local time) - 10ft (3.0m), 12s period, WNW swell with 2,482 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 1PM (local time) - 4ft (1.2m), 8s period with NW 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 11) at 1PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 1.0m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Dumps (Brandon Bay) in the next 16 days are 3.0m 12s and forecast to arrive on Saturday (Sep 12) at 1PM. Winds are predicted to be cross-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 Thursday (Sep 10) at 7AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Fri 11th Sep) | 4ft (1.2m) 8s |
| Best Surf | 10AM (Sun 13th Sep) | 5ft (1.6m) 11s |
| Most Powerful | 1PM (Sat 12th Sep) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
Right then, let's have a look at what's on the table. The long-range picture for Dumps (Brandon Bay) is a bit of a mixed bag, with some real gems hidden in there if you're patient. The water's running a touch warmer than normal at 62°, so you won't need the thickest rubber just yet.
Kicking things off, there’s a bit of a lull. We've got some solid energy showing around the 8th of September – we're talking a big 10ft NW swell with a combined energy of 2051, but that wind is a nasty cross-on at 22 mph, so it's going to be a messy, lumpy day out there. Not worth the paddle.
Things stay pretty average for a while, with a lot of cross-on wind and choppy conditions through the 12th. Saturday the 14th sees a drop-off in size, and it's still not great.
Now, Sunday morning on the 15th? That’s the first real standout. We’ve got a 5ft NW swell, but more importantly, a light SSE breeze is blowing cross-offshore. That’s the key. It’s described as clean, and you’ll get some proper, well-shaped waves without the chop. The combined energy is a solid 737 – decent power. This session is the one to pencil in.
The following week has a few iffy days, but the big one to circle is Friday, the 20th of September. Dumps is going to be absolutely pumping with another 10ft WNW swell, period around 11 seconds, and a combined energy of 2122. That's some serious water moving around. Winds are light and cross with a gentle breeze, so while it might have a slight cross-chop, the sheer size and groundswell period will make for some heavy, powerful sets. Be warned, at 10ft this is expert territory, especially with that long period hitting a beach setup. But for the crew who can handle it, it’ll be incredible.
Then, Monday the 23rd of September morning is another beauty to finish the run. Swell drops to 4ft from the W, but the wind goes completely glassy. Zero wind, combined energy of 648, and a nice 11-second period. It won't be big, but it will be perfect. Clean, lined-up waves with no wind to mess them up. Ideal for a long, quiet session.
So, if you're picking your spots, hit Sunday the 15th morning for clean power, and brace yourself for the big stuff on Friday the 20th. Finish it off with a glassy morning on Monday the 23rd.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Wed night. Very mild (max 17°C on Thu afternoon, min 14°C on Tue afternoon). Winds decreasing (fresh winds from the NW on Tue afternoon, calm by Fri morning). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Fri night. Very mild (max 18°C on Sat morning, min 14°C on Fri night). Mainly fresh winds. | |||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||
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) | NW 10 | NW 10 | WNW 9 | WNW 8 | W 8 | W 10 | W 10 | W 9 | W 8 | WNW 8 | WNW 13 | WNW 12 | NW 13 | NW 12 | NW 11 | NW 10 | NW 9 | WSW 8 | W 11 | W 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2051 | 1324 | 459 | 211 | 163 | 799 | 643 | 444 | 173 | 230 | 2067 | 2352 | 1448 | 880 | 568 | 328 | 144 | 104 | 599 | 738 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | on | on | cross | cross-on | cross-on | on | cross-off | cross | cross | cross-on | cross-on | cross |
High Tide | 4:22AM3.60m | 4:34PM3.94m | 5:06AM3.85m | 5:17PM4.16m | 5:46AM4.01m | 5:56PM4.26m | 6:23AM4.08m | 6:34PM4.25m | 6:57AM4.05m | 7:10PM4.12m | 7:31AM3.94m | 7:45PM3.90m | ||||||||
Low Tide | 10:05PM0.39m | 10:20AM0.56m | 10:49PM0.10m | 11:02AM0.31m | 11:28PM-0.09m | 11:41AM0.15m | 00:05AM-0.16m | 12:17PM0.09m | 00:39AM-0.10m | 12:52PM0.13m | 1:12AM0.07m | 1:27PM0.26m | 1:45AM0.32m | |||||||
 |  |  |  |  |  | |  |  | |  | | | | | | | | | | |
 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — |
 | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | — | 7:58 | — |
mm | 1 | — | — | — | 4 | 1 | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 15 | 17 | 18 | 16 | 15 | 17 | 18 | 18 | 17 | 18 | 18 |
Feels °C | 8 | 8 | 12 | 12 | 11 | 15 | 15 | 13 | 14 | 14 | 15 | 16 | 12 | 13 | 16 | 17 | 18 | 15 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | — | — | WNW 9 | WNW 8 | W 8 | W 10 | W 10 | W 9 | W 8 | WNW 8 | WNW 13 | WNW 12 | NW 13 | NW 12 | NW 11 | NW 10 | NW 9 | WSW 8 | W 11 | W 10 |
| kJ | — | — | 459 | 211 | 163 | 799 | 643 | 444 | 173 | 230 | 2067 | 2352 | 1448 | 880 | 568 | 328 | 144 | 104 | 599 | 738 |
Swell 2 Height (m) Direction Period (s) | — | — | NNW 11 | NNW 10 | NNW 8 | N 8 | N 8 | N 7 | NW 8 | WSW 8 | — | — | — | W 9 | W 9 | W 9 | WSW 8 | NW 9 | N 12 | N 13 |
| kJ | — | — | 153 | 105 | 23 | 5 | 1 | 1 | 128 | 109 | — | — | — | 275 | 169 | 99 | 99 | 64 | 11 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NNW 9 | W 12 | — | — | — | — | NW 11 | — | — | — | — | — | — | N 14 | NNW 12 | — | — |
| kJ | — | — | — | 8 | 11 | — | — | — | — | 96 | — | — | — | — | — | — | 4 | 14 | — | — |
Wind waves Height (m) Direction Period (s) | NW 10 | NW 10 | — | — | S 2 | — | — | — | — | — | — | — | W 9 | — | — | — | — | SSW 3 | — | — |
| kJ | 2051 | 1324 | — | — | 1 | — | — | — | — | — | — | — | 497 | — | — | — | — | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 579 | 493 | 0 | 27 | 67 | 6 | 589 | 10 | 25 | 1 | 226 | 10 | 227 | 2 | 0 | 0 | 8 | 8 | 8 | 0 |
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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