Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 5 Sep 2026:
- Best quality surf: Friday 11 Sep, 10PM (local time) - 8ft (2.5m), 11s period, WNW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 7AM (local time) - 13ft (4.0m), 12s period, WNW swell with 5,420 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 1PM (local time) - 6.5ft (2.0m), 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 05) at 1PM. The primary swell is predicted to be 2.0m and 10s period with a secondary swell of 0.1m and 14s. 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 12s 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 0.3m 2s period and expected on Sunday (Sep 06) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Sat 5th Sep) | 6.5ft (2.0m) 10s |
| Best Surf | 10PM (Fri 11th Sep) | 8ft (2.5m) 11s |
| Most Powerful | 7AM (Tue 8th Sep) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
Alright, this is Rusty checkin’ in from Brandon Bay. We’ve got a 16-day window for Dumps, and I’ll be straight with ya – it’s a bit of a rollercoaster. The surf shows up, but it’s gonna take some patience to find the clean windows.
We kick off on Saturday the 5th of September. The morning is a bit messy with a cross-shore wind, but the swell is a solid 7ft from the WNW with a period of 11 seconds. The combined wave energy is strong (1102), but the conditions are just marginal. Later that afternoon, the wind backs off a touch and goes cross-offshore, cleaning things up. The swell drops to 6ft out of the WNW, but the energy is still moderate (597). That afternoon session is the best of the first few days.
Then we hit a rough patch. From Sunday the 6th right through to Thursday the 11th, it’s a write-off. Strong winds, onshore or cross-onshore, and lumpy, choppy conditions. The swell gets big – up to 15ft on Tuesday the 8th with a massive energy reading of 5408 – but with that howling onshore wind, it’s just a mess. That’s expert-only territory, and even then, it’s ugly. The combined energy is moderate to strong during this period, but the wind kills it.
Now, the standout. Saturday the 12th of September is the day to circle. The morning brings a clean 8ft swell from the WNW with a long 11-second period, and the wind is a light cross-offshore breeze. The energy is strong (1244). The water temp is about average for this time of year. Then in the afternoon, it goes glassy. Dead calm. The swell drops a touch to 7ft, but with no wind, it’s going to be beautiful. That’s your top pick.
Sunday the 13th is still decent, with a clean 5ft swell from the NW in the morning, but it’s smaller. The rest of the second week looks small and inconsistent, with onshore winds creeping back in. There’s a glimmer on Thursday the 17th with a 7ft NW swell and a 12-second period, but the cross-shore wind will put a bit of chop on it. The morning of Saturday the 19th has a 4ft swell with clean conditions, but it’s tiny.
Overall, the first week is a struggle until that Saturday the 12th. Don’t bother paddling out before that. The second week is mostly small and windy, with only a couple of half-decent windows. That Saturday the 12th is the one.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sun morning. Very mild (max 19°C on Sun morning, min 14°C on Sat morning). Winds increasing (light winds from the S on Sat morning, fresh winds from the SSW by Sun morning). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed afternoon. Very mild (max 18°C on Thu afternoon, min 13°C on Wed afternoon). Winds decreasing (fresh winds from the W on Mon night, light winds from the W by Wed night). | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
AM | 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 11 | WNW 10 | WNW 9 | WSW 8 | WSW 10 | W 13 | W 10 | W 10 | WNW 11 | WNW 12 | NW 12 | NW 11 | NW 10 | WNW 9 | W 8 | W 8 | W 10 | W 9 | WNW 8 | WNW 11 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1102 | 590 | 276 | 153 | 731 | 2060 | 1732 | 1773 | 2442 | 5408 | 4441 | 2170 | 979 | 547 | 453 | 354 | 504 | 417 | 364 | 1237 | 1842 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-on | on | cross-on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | cross-on | on | cross-off |
High Tide | 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 | 5:46AM4.01m | 5:56PM4.26m | ||||||||
Low Tide | 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 | 11:41AM0.15m | 00:05AM-0.16m | |||||||
 | |  |  | |  |  |  |  | |  | | | | | | | | | |  | |
 | 6:56 | — | — | 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 | — | 2 | 1 | — | — | — | 4 | 1 | — | — | — | — | — | 6 |
Temp °C | 14 | 15 | 18 | 19 | 17 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 13 | 16 | 17 | 18 | 17 | 14 | 14 | 14 |
Feels °C | 12 | 13 | 14 | 14 | 14 | 11 | 10 | 8 | 7 | 7 | 8 | 11 | 11 | 9 | 14 | 14 | 16 | 14 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 9 | WSW 8 | NNW 9 | — | — | — | NW 13 | — | — | — | NW 10 | WNW 9 | W 8 | W 8 | W 10 | N 7 | WNW 10 | — | WNW 12 |
| kJ | 1102 | 590 | 276 | 153 | 8 | — | — | — | 503 | — | — | — | 979 | 547 | 453 | 354 | 504 | 1 | 40 | — | 1842 |
Swell 2 Height (m) Direction Period (s) | — | SW 13 | — | NW 8 | W 18 | — | — | — | — | — | — | — | — | W 13 | N 8 | NNW 8 | NW 8 | — | — | — | — |
| kJ | — | 7 | — | 17 | 25 | — | — | — | — | — | — | — | — | 4 | 5 | 24 | 20 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | NW 8 | NW 8 | — | — | — | — | — | — | — | — | — | W 12 | — | NNW 8 | — | — | — | — |
| kJ | — | — | — | 17 | 3 | — | — | — | — | — | — | — | — | — | 11 | — | 6 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 3 | WSW 10 | W 13 | W 10 | W 10 | WNW 11 | WNW 12 | NW 12 | NW 11 | — | — | — | — | — | W 9 | WNW 8 | WNW 11 | — |
| kJ | — | — | — | 5 | 731 | 2060 | 1732 | 1773 | 2442 | 5408 | 4441 | 2170 | — | — | — | — | — | 417 | 364 | 1237 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 421 | 602 | 147 | 657 | 445 | 147 | 445 | 579 | 649 | 2 | 10 | 8 | 27 | 589 | 147 | 493 | 10 | 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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