Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 28 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 10PM (local time) - 5ft (1.5m), 8s period, WNW swell with cross-offshore winds.
- Most powerful swell: Friday 4 Sep, 7PM (local time) - 11ft (3.5m), 12s period, NW swell with 3,850 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 10PM (local time) - 5ft (1.5m), 8s 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 Tuesday (Sep 01) at 10PM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.1m and 16s. 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 3.5m 12s and forecast to arrive on Friday (Sep 04) at 7PM. 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 (Aug 30) at 7AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 1st Sep) | 5ft (1.5m) 8s |
| Best Surf | 10PM (Tue 1st Sep) | 5ft (1.5m) 8s |
| Most Powerful | 7PM (Fri 4th Sep) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
Right, let’s talk Dumps (Brandon Bay). The water’s sitting at about 64°F, which is a touch warmer than usual for this time – nothing wild, just a nice little bonus.
First few days are a total washout. Friday the 28th has a tiny 2ft swell from the WNW with a short 7-second period, but the onshore wind and poor conditions mean it’s not even worth paddling out. Saturday and Sunday the 29th and 30th stay poor – tiny swell, choppy, cross-onshore wind. Leave the board at home.
Monday the 31st shows some life. Swell picks up to 5ft from the west, period stretching to 10 seconds, and the energy is moderate. Morning wind is light onshore, so it’s not perfect, but there’s a little hope. Then Tuesday and Wednesday get messy again with stronger wind and shorter period swell.
The real action starts in the first week of September. Thursday the 3rd has a solid 8ft swell from the WNW with a 10-second period, and the energy is strong. Wind is onshore, so expect some chop, but the size is there. Friday the 4th is the monster: 12ft swell from the WNW, period hitting 11 seconds, and the energy is through the roof – over 2700 in the morning and over 3700 in the afternoon. That’s a huge amount of water moving. But the wind is a fresh 19 mph onshore breeze, so it’s going to be a chaotic, powerful mess. Experts only. If you’re not one, stay on the sand.
Saturday the 5th is the one to circle. Swell drops to 8ft from the NW, but the wind swings to a cross-off SSE breeze at 12 mph, and conditions are actually clean. The energy is still very strong at over 1500. This is your best window for quality, powerful waves in this whole outlook.
After that, it’s back to poor. Sunday the 6th is junk, Monday the 7th brings a 10ft swell with strong onshore wind, and Tuesday the 8th goes absolutely nuts: 20ft swell from the WNW, period 11 seconds, and energy over 8000. But it’s cross-onshore at 25 mph, so it’s a total washing machine for paddle surfers. Kite surfers will be in heaven.
The last few days, from the 9th to the 12th, are mostly ordinary. There’s a clean window on the afternoon of Wednesday the 9th with a 4ft swell and cross-off wind, but it’s only marginal. A few small clean moments on the 10th and 11th, but nothing that’ll get your heart racing.
Best bet: Saturday morning, September 5th. That’s your clean, powerful stand-out. Friday the 4th is for the big wave chargers only. Everything else is a waiting game.
Rusty.
Short Range ForecastModerate rain (total 11mm), heaviest on Fri night. Very mild (max 17°C on Fri afternoon, min 14°C on Sun night). Winds increasing (light winds from the S on Fri night, fresh winds from the NW by Sun night). | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Tue night. Very mild (max 17°C on Tue morning, min 15°C on Mon night). Winds increasing (light winds from the SSW on Tue afternoon, fresh winds from the WSW by Wed night). | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 7 | WNW 7 | NW 8 | NW 8 | WSW 8 | W 9 | W 9 | W 9 | W 10 | W 10 | W 9 | W 8 | W 8 | WNW 8 | WSW 7 | WSW 7 | W 8 | WNW 9 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 47 | 19 | 16 | 14 | 127 | 300 | 313 | 339 | 371 | 260 | 215 | 245 | 292 | 181 | 164 | 349 | 412 | 775 | 1011 | 1075 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | off | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-off | cross-on | on | on | on | on | on |
High Tide | 6:05PM3.98m | 6:29AM3.81m | 6:37PM4.05m | 7:00AM3.87m | 7:10PM4.04m | 7:33AM3.87m | 7:44PM3.96m | 8:08AM3.79m | 8:22PM3.79m | 8:47AM3.64m | 9:05PM3.55m | 9:33AM3.44m | 9:58PM3.28m | |||||||
Low Tide | 00:13AM0.13m | 12:22PM0.32m | 00:43AM0.06m | 12:53PM0.27m | 1:14AM0.07m | 1:27PM0.30m | 1:47AM0.18m | 2:02PM0.41m | 2:23AM0.37m | 2:42PM0.59m | 3:05AM0.64m | 3:30PM0.83m | 3:56AM0.95m | |||||||
 |  |  |  |  |  | |  |  | |  | | |  |  | | | | |  | |
 | — | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:25 | — | — | 8:23 | — |
mm | — | 6 | 1 | — | 1 | 2 | — | 1 | — | — | — | — | — | 13 | 1 | 1 | 1 | — | — | — |
Temp °C | 17 | 16 | 16 | 17 | 16 | 16 | 17 | 15 | 16 | 16 | 15 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 |
Feels °C | 16 | 16 | 14 | 16 | 15 | 14 | 15 | 12 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 13 | 10 | 10 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 9 | WNW 7 | WNW 7 | NW 8 | WSW 8 | W 9 | W 9 | W 9 | W 10 | W 10 | W 9 | N 7 | N 6 | WNW 8 | WSW 7 | NNW 10 | NNW 9 | N 8 | WNW 10 | WNW 10 |
| kJ | 3 | 19 | 9 | 14 | 127 | 300 | 313 | 339 | 371 | 260 | 215 | 3 | 3 | 181 | 164 | 31 | 16 | 6 | 1011 | 1075 |
Swell 2 Height (m) Direction Period (s) | — | NNW 6 | NW 8 | WSW 10 | NNW 7 | N 6 | N 6 | — | NNW 6 | NNW 6 | NNW 6 | — | W 18 | N 7 | NNW 10 | — | SW 15 | SW 15 | N 8 | SW 15 |
| kJ | — | 4 | 16 | 9 | 5 | 3 | 3 | — | 80 | 34 | 13 | — | 6 | 3 | 33 | — | 9 | 8 | 1 | 9 |
Swell 3 Height (m) Direction Period (s) | — | N 5 | N 6 | W 7 | N 7 | NNW 7 | NW 6 | — | — | — | — | — | — | W 16 | SW 16 | — | — | — | SW 15 | — |
| kJ | — | 2 | 1 | 3 | 4 | 4 | 1 | — | — | — | — | — | — | 5 | 10 | — | — | — | 9 | — |
Wind waves Height (m) Direction Period (s) | WNW 7 | — | — | — | — | — | — | NW 5 | — | — | — | W 8 | W 8 | — | — | WSW 7 | W 8 | WNW 9 | — | — |
| kJ | 47 | — | — | — | — | — | — | 61 | — | — | — | 245 | 292 | — | — | 349 | 412 | 775 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 563 | 336 | 336 | 182 | 1 | 0 | 95 | 147 | 372 | 6 | 5 | 393 | 8 | 0 | 222 | 774 | 147 | 963 | 579 | 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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