
Surf Forecasts:
Dumps (Brandon Bay) surf forecast from 14 Sep 2026:
- Best quality surf: Friday 18 Sep, 4AM (local time) - 15ft (4.5m), 14s period, WNW swell with cross-onshore winds.
- Most powerful swell: Thursday 17 Sep, 10PM (local time) - 16ft (5.0m), 14s period, WNW swell with 10,136 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 4AM (local time) - 15ft (4.5m), 14s 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 Friday (Sep 18) at 4AM. The primary swell is predicted to be 4.5m and 14s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Dumps (Brandon Bay) in the next 16 days are 5.0m 14s and forecast to arrive on Thursday (Sep 17) at 10PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Fri 18th Sep) | 15ft (4.5m) 14s |
| Best Surf | 4AM (Fri 18th Sep) | 15ft (4.5m) 14s |
| Most Powerful | 10PM (Thu 17th Sep) | 16ft (5.0m) 14s |
Table - best surf conditions forecast for Dumps (Brandon Bay) over the next 16 days.
The Lowdown
Alright, Rusty here again. Let's break down what’s happening at Dumps (Brandon Bay) over the next couple of weeks.
Honestly, the start of the run is a total bummer. Monday the 14th and Tuesday the 15th are a complete mess. There's wave height, sure, but the wind is howling, it's cross-chop, and the ocean looks like a washing machine. Not worth a look. Wednesday the 16th through Saturday the 19th are a mixed bag – some small windows of hope, but mostly onshore winds and just marginal conditions. The swell is there but it's not lining up. Saturday afternoon the size drops right off and it’s all a bit forgettable.
But man, hang on. Sunday the 20th morning fires up. We’re looking at a clean, powerful 13ft WNW groundswell with a light offshore breeze from the ESE. The energy reading is huge at 5804. This is a beast of a wave. That long 14-second period means it's a proper groundswell with long waits between sets, but when they come, they are big. This is strictly for experienced surfers only – 13 feet plus is no joke. The long period will make it wall up at certain spots, but Dumps usually handles it well.
It gets a bit naughty again for the rest of Sunday and all of Monday the 21st, with cross-onshore winds making a mess of things.
Then, Tuesday the 22nd is a killer. The morning session has 12ft of solid WNW swell and a light offshore wind from the ENE (2864). But the afternoon... oh boy. The wind drops to nothing. Glassy. Dead calm from the east. And the swell is still pumping at 13ft (3695). That is an absolutely unreal window for the crew with the right experience. You want clean, big, powerful waves? That's your slot.
The week stays interesting. Wednesday the 23rd has a nice clean 6ft swell in the afternoon with glassy winds – fun for a smaller board. Thursday the 24th morning is a gem: 8ft of swell with a massive 16-second period and a clean cross-offshore breeze (3554). This is a long-range groundswell that will be pure perfection for a point or reef setup like Dumps. Friday the 25th is a bit smaller but still clean and surfable with a 7ft cross-off swell.
Saturday the 26th is a dud with weak, short-period junk.
And then, one more gift. Sunday the 27th morning is glassy and perfect, with 12ft of clean, smooth WNW groundswell and no wind. Energy is 2394. Again, that's an expert-only wave, but if you're ready for it, it's a moment of pure stoke. The wind turns onshore in the afternoon and takes the shine off.
After that, Monday the 28th and Tuesday the 29th just fade away. The swell dies, the wind picks up, and it’s time to go home.
The pick of the lot? For raw, big-wave perfection in clean conditions, it’s a toss-up between Sunday the 20th morning and Tuesday the 22nd afternoon. If you can only do one, Tuesday afternoon with that glassy lip and clean power is the stuff of legends. Don’t sleep on Thursday the 24th morning either if you want that ultra-long-period groundswell.
Rusty
Short Range ForecastModerate rain (total 14mm), heaviest on Mon morning. Very mild (max 17°C on Sun night, min 13°C on Tue night). Winds decreasing (fresh winds from the NW on Tue afternoon, light winds from the W by Wed morning). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed night. Very mild (max 16°C on Fri afternoon, min 13°C on Fri morning). Winds decreasing (strong winds from the WNW on Thu morning, light winds from the W by Sat afternoon). | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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) | WSW 8 | W 8 | W 9 | W 9 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | WNW 10 | WNW 12 | WNW 14 | WNW 13 | WNW 12 | WNW 11 | NW 11 | NW 10 | WNW 13 | WNW 14 | WNW 14 | WNW 13 |
Wave Graph | |||||||||||||||||||||
128 | 223 | 718 | 759 | 1495 | 2202 | 1215 | 772 | 908 | 2336 | 6143 | 9126 | 4660 | 3171 | 1847 | 561 | 490 | 3994 | 5804 | 4704 | 2537 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | on | on | cross-on | cross-on | on | cross-on | on | on | on | on | cross | on | cross-on | on | on | glassy | off | cross-on | cross |
High Tide | 7:31AM3.94m | 7:45PM3.90m | 8:04AM3.75m | 8:21PM3.63m | 8:38AM3.51m | 8:58PM3.31m | 9:15AM3.24m | 9:41PM3.00m | 10:01AM2.97m | 10:38PM2.71m | 11:08AM2.75m | 00:05AM2.54m | 12:43PM2.69m | 1:47AM2.59m | |||||||
Low Tide | 1:27PM0.26m | 1:45AM0.32m | 2:01PM0.48m | 2:17AM0.63m | 2:36PM0.75m | 2:51AM0.96m | 3:16PM1.06m | 3:30AM1.28m | 4:07PM1.36m | 4:27AM1.57m | 5:36PM1.58m | 6:18AM1.72m | 7:41PM1.53m | ||||||||
7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | |
— | 7:58 | — | — | 7:55 | — | — | 7:53 | — | — | 7:51 | — | — | 7:49 | — | — | 7:46 | — | — | 7:44 | — | |
mm | 6 | 5 | 2 | — | — | 1 | — | — | 3 | — | — | — | 3 | 2 | — | — | — | 1 | — | — | — |
Temp °C | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 15 | 14 | 14 | 14 | 14 | 16 | 16 | 15 | 15 | 13 | 15 | 18 | 17 |
Feels °C | 16 | 14 | 14 | 10 | 8 | 8 | 11 | 12 | 11 | 7 | 6 | 9 | 11 | 14 | 14 | 13 | 13 | 12 | 13 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WNW 11 | N 13 | N 12 | — | — | WNW 10 | — | — | — | — | — | WNW 13 | WNW 12 | WNW 11 | W 10 | NW 10 | WNW 13 | WNW 14 | WNW 14 | WNW 13 |
128 | 121 | 13 | 11 | — | — | 1215 | — | — | — | — | — | 4660 | 3171 | 1847 | 546 | 490 | 3994 | 5804 | 4704 | 2537 | |
Swell 2 Height (m) Direction Period (s) | NW 9 | N 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 11 | — | — | — | — | — |
59 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 561 | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | WNW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | W 8 | W 9 | W 9 | WNW 10 | WNW 11 | — | WNW 10 | WNW 9 | WNW 10 | WNW 12 | WNW 14 | — | — | — | — | W 9 | — | — | — | — |
— | 223 | 718 | 759 | 1495 | 2202 | — | 772 | 908 | 2336 | 6143 | 9126 | — | — | — | — | 445 | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 8 | 147 | 579 | 579 | 418 | 10 | 227 | 640 | 938 | 579 | 372 | 8 | 10 | 6 | 8 | 10 | 0 | 0 | 10 | 8 |
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.










