Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 6 Sep 2026:
- Best quality surf: Saturday 12 Sep, 10AM (local time) - 6ft (1.8m), 11s period, WNW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 4PM (local time) - 11ft (3.5m), 11s period, NW swell with 2,758 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 1AM (local time) - 6ft (1.9m), 10s 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 12) at 1AM. The primary swell is predicted to be 1.9m and 10s period. 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 3.5m 11s and forecast to arrive on Tuesday (Sep 08) at 4PM. 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 2s period and expected on Sunday (Sep 06) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Sat 12th Sep) | 6ft (1.9m) 10s |
| Best Surf | 10AM (Sat 12th Sep) | 6ft (1.8m) 11s |
| Most Powerful | 4PM (Tue 8th Sep) | 11ft (3.5m) 11s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
Alright folks, it’s Rusty here, and I’ve got a look at the next 16 days for Dumps (Brandon Bay). This is a classic setup that’s fairly exposed to the northwest swell, and it’s intermediate territory. The water’s sitting at a touch warmer than normal for this time of year, about 63°, with a 3° anomaly – nice and comfortable.
We’re starting off on Saturday the 5th of September with a bit of a mixed bag. The afternoon shows a 6ft swell from the WNW, with a 10-second period, and the combined energy is moderate at 597. The wind is a cross-off from the SSE, keeping things clean. It’s decent, but not the standout.
Sunday the 6th is a write-off. Strong winds from the S and SW blow through, with messy cross-shore and cross-onshore conditions. The surf is poor, with a 3ft swell on Sunday morning and a 6ft swell in the afternoon – but the wind is just too strong, so don’t bother.
Monday the 7th and Tuesday the 8th are for the hardcore only. The swell builds to 8ft and then 12ft, with combined energy hitting 1252 and then a massive 2371 to 2758. That’s strong to very strong wave energy. But the wind is onshore or cross-onshore, and it’s lumpy. This is more of a kite-surfing setup than a paddling one, unless you’re after a real beating.
Wednesday the 9th is marginal. The swell drops to 5ft in the morning, but the wind is onshore, so it’s not great. The afternoon is a no-go.
Thursday the 10th might be worth a look in the morning. The swell is 5ft from the W, with a 9-second period, and the wind is a clean cross-off from the SSE. The combined energy is moderate at 406. It’s a marginal call, but it’s clean.
Now, here’s where it gets interesting. The real standout is Saturday the 12th of September. The morning session has a 6ft swell from the WNW, with an 11-second period (groundswell) and a combined energy of 730 (moderate). The wind is a light cross-off from the SE, practically glassy. It’s clean, and the waves will have good shape. This is the best on offer in the first week.
Sunday the 13th is still good, with a 4ft swell and offshore wind from the ENE in the morning. Clean, but smaller.
Then we get a big one. Monday the 14th of September is for the experienced crew. The swell jumps to 8ft from the WNW, with a 12-second period (long period groundswell) and a combined energy of 1708 (strong). The wind is glassy from the SSW. This is excellent for experts, but it’s over 8ft, so beginners stay out. The long period means it’ll be better at point breaks or reefs, but at Dumps, it’ll still be a beast.
Tuesday the 15th is also a standout. The morning has a 6ft swell from the WNW, 11-second period, and a combined energy of 1063 (strong). The wind is glassy from the ENE. This is very good surf, and the crowds are sometimes around, so expect a few mates out.
Wednesday the 16th keeps it going with a 5ft swell and glassy conditions from the NNE in the morning. Clean.
The second week holds some serious potential. Thursday the 17th of September is another expert session. The swell is 10ft from the WNW, with a 10-second period and a combined energy of 1640 (strong). The wind is a clean cross-off from the SE. This is excellent for the experienced.
Friday the 18th is the big one. The morning has a 10ft swell from the WNW, with an 11-second period and a combined energy of 1726 (strong). The wind is glassy – calm, with zero wind. This is excellent for experts. The afternoon is still very good, with a 7ft swell and glassy conditions.
Saturday the 19th is still pumping in the morning, with a 8ft swell and clean cross-off winds. The afternoon turns poor.
Sunday the 20th wraps it up nicely. The morning has a 5ft swell from the NW, with a 10-second period, a combined energy of 667 (moderate), and a clean cross-off wind. The afternoon is glassy with a 4ft swell. A solid end to the run.
So, for the best on offer, I’d be looking at Saturday the 12th for a clean, fun session, and the glassy mornings on Monday the 14th, Tuesday the 15th, and Friday the 18th for the bigger, more powerful stuff. The long-range standouts are promising but a bit less certain. There’s a gap of poor surf from Sunday the 6th to Thursday the 10th, but after that, it’s game on.
Stay stoked,
Rusty
Short Range ForecastModerate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 19°C on Sun morning, min 14°C on Sun night). Winds increasing (light winds from the SSE on Sat afternoon, strong winds from the S by Sun morning). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Very mild (max 17°C on Thu morning, min 14°C on Tue night). Winds increasing (light winds from the W on Wed morning, fresh winds from the WNW by Thu night). | |||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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 10 | WNW 9 | WSW 8 | WSW 10 | W 14 | W 10 | W 10 | W 10 | WNW 10 | NW 11 | NW 10 | NNW 10 | NNW 9 | W 7 | W 9 | W 10 | W 9 | W 7 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 590 | 287 | 116 | 664 | 1949 | 1045 | 1203 | 1175 | 2371 | 2758 | 1844 | 419 | 203 | 156 | 395 | 369 | 264 | 285 | 664 | 637 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross-on | on | cross-on | cross-on | glassy |
High Tide | 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 | 5:46AM4.01m | 5:56PM4.26m | ||||||||
Low Tide | 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 | 11:41AM0.15m | 00:05AM-0.16m | |||||||
 |  |  | |  | | |  |  |  | | | | | | | | | |  | |
 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — |
 | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — |
mm | — | 1 | 1 | 2 | — | 1 | 3 | 2 | 1 | — | — | — | — | — | — | — | 2 | — | — | — |
Temp °C | 16 | 18 | 19 | 18 | 15 | 16 | 15 | 14 | 15 | 15 | 14 | 16 | 16 | 15 | 17 | 17 | 16 | 15 | 15 | 14 |
Feels °C | 13 | 17 | 13 | 15 | 13 | 11 | 12 | 8 | 7 | 8 | 7 | 14 | 14 | 12 | 16 | 15 | 14 | 9 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WSW 8 | NNW 9 | W 14 | W 10 | W 10 | NW 12 | — | — | — | NNW 10 | NNW 9 | W 7 | W 9 | W 10 | WNW 8 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 590 | 287 | 116 | 8 | 1949 | 1045 | 1203 | 228 | — | — | — | 419 | 203 | 156 | 395 | 369 | 6 | 10 | 664 | 637 |
Swell 2 Height (m) Direction Period (s) | SW 13 | — | NW 8 | W 18 | — | — | WSW 12 | — | — | — | — | WNW 9 | W 13 | N 8 | NNW 8 | NW 8 | N 7 | — | — | — |
| kJ | 7 | — | 17 | 25 | — | — | 49 | — | — | — | — | 329 | 3 | 34 | 11 | 20 | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | NW 8 | — | — | — | — | — | — | — | — | — | — | NW 8 | — | N 8 | — | — | — | — |
| kJ | — | — | 17 | — | — | — | — | — | — | — | — | — | — | 18 | — | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 4 | WSW 10 | — | — | — | W 10 | WNW 10 | NW 11 | NW 10 | — | W 8 | — | — | — | W 9 | W 7 | — | — |
| kJ | — | — | 10 | 664 | — | — | — | 1175 | 2371 | 2758 | 1844 | — | 195 | — | — | — | 264 | 285 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 6 | 421 | 563 | 147 | 359 | 581 | 147 | 579 | 579 | 493 | 10 | 8 | 6 | 6 | 27 | 227 | 579 | 579 | 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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