Surf Forecasts:
Avalon-North surf forecast from 6 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 1AM (local time) - 6ft (1.8m), 9s period, SSE swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 1PM (local time) - 7.5ft (2.3m), 9s period, SSE swell with 755 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 1AM (local time) - 6ft (1.8m), 9s period with SSE swell.
Best Forecast Surf Conditions for Avalon-North this week:
The surf forecast for Avalon-North over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 1AM. The primary swell is predicted to be 1.8m and 9s period with a secondary swell of 0.2m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Avalon-North in the next 16 days are 2.3m 9s and forecast to arrive on Tuesday (Sep 08) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 9s period and expected on Wednesday (Sep 09) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 9th Sep) | 6ft (1.8m) 9s |
| Best Surf | 1AM (Wed 9th Sep) | 6ft (1.8m) 9s |
| Most Powerful | 1PM (Tue 8th Sep) | 7.5ft (2.3m) 9s |
Table - best surf conditions forecast for Avalon-North over the next 16 days.
The Lowdown
Alright, Rusty here. Let's be straight with you – this stretch for Avalon-North is about as exciting as watching paint dry on a windless day. We've got a solid 16-day window to look at, but the surf gods aren't playing ball. There's a big, empty gap right from the start. We’re talking about several days of absolutely nothing worth paddling out for.
The first chance we see any real energy is on Monday morning, September 7th, but don't get your hopes up. We're looking at a tiny 2 ft swell from the SSE, but the real kicker is the combined energy is only a weak 65. The word is "poor surf conditions" and that’s the truth. It’s just not happening.
Tuesday the 8th tries to throw a bit more size our way, with the afternoon seeing 7 ft from the SSE and a combined energy that jumps to a moderate 653. But the wind is all wrong – cross-onshore and choppy. That size, 7 ft, pushes it into expert-only territory for most, but the messy conditions mean even the pros will be hating it.
We get a flicker of hope on Wednesday morning, September 9th. The swell is a cleaner 5 ft from the SSE, combined energy is a moderate 279, and the wind is cross-offshore, cleaning things up. The report calls it "marginal" though, and I can't argue. It’s the best of a bad bunch, but that’s not saying much. After that, the window slams shut again. From Wednesday afternoon all the way through to Sunday, September 20th, it’s a desert. Tiny waves, onshore junk, or no swell at all. The combined energy readings are consistently weak, dropping into single digits for days at a time.
The very last day, Tuesday, September 22nd, is a dead loss too. 2 ft, weak energy (18), and a light cross-onshore breeze. Nothing to see here.
So, the verdict? There’s no standout. There isn't a single session I'd recommend driving for. The only thing close to a highlight is Wednesday morning, September 9th. The wind is favorable and you’ll get a few 5 ft waves from the SSE, but it’s still a gamble. The water temp is about average for the time of year, so nothing weird going on there. Just a whole lot of nothing.
For this part of the coast, a blank run like this is unfortunately more normal than a run of good swell. Forecasts can change, but right now, leave the boards in the car and go do something else.
- Rusty
Short Range ForecastSome drizzle, heaviest during Mon night. Very mild (max 19°C on Mon morning, min 10°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the S by Wed afternoon). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Very mild (max 17°C on Fri morning, min 9°C on Wed night). Winds decreasing (fresh winds from the S on Wed night, light winds from the ENE by Sat afternoon). | ||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||
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) | E 10 | SSE 10 | SSE 9 | E 11 | E 10 | SSE 9 | SSE 9 | SSE 8 | ESE 13 | ESE 11 | ESE 10 | ESE 9 | E 15 | E 15 | ENE 14 | ENE 13 | ENE 14 | ENE 14 | SSE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 60 | 380 | 9 | 9 | 645 | 488 | 268 | 34 | 69 | 39 | 35 | 4 | 4 | 18 | 18 | 19 | 19 | 328 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | on | cross | cross | cross-on | cross-off | cross-off | cross | cross | cross-off | cross | off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off |
High Tide | 4:59AM1.01m | 5:00PM1.55m | 5:57AM1.10m | 5:56PM1.61m | 6:45AM1.20m | 6:46PM1.65m | 7:28AM1.30m | 7:32PM1.63m | 8:07AM1.38m | 8:14PM1.58m | 8:45AM1.44m | 8:55PM1.48m | |||||||
Low Tide | 10:57PM0.23m | 10:24AM0.42m | 11:54PM0.14m | 11:28AM0.35m | 00:41AM0.07m | 12:24PM0.27m | 1:23AM0.03m | 1:14PM0.21m | 2:00AM0.03m | 2:02PM0.17m | 2:35AM0.06m | 2:47PM0.16m | 3:08AM0.11m | ||||||
 |  |  |  | | |  | |  | |  | | | | | | | | | |
 | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — |
 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — |
mm | — | — | — | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 19 | 17 | 15 | 16 | 16 | 13 | 16 | 14 | 14 | 14 | 15 | 14 | 17 | 15 | 14 | 16 | 16 | 15 |
Feels °C | 14 | 16 | 14 | 10 | 11 | 13 | 11 | 12 | 6 | 6 | 8 | 11 | 11 | 13 | 12 | 12 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSE 8 | SSE 9 | E 11 | E 10 | SSE 9 | SSE 9 | SSE 8 | ESE 13 | ESE 11 | ESE 10 | ESE 9 | E 15 | E 15 | S 10 | SSE 10 | S 11 | S 11 | SSE 10 |
| kJ | 764 | 251 | 380 | 9 | 9 | 645 | 488 | 268 | 34 | 69 | 39 | 35 | 4 | 4 | 809 | 725 | 894 | 584 | 328 |
Swell 2 Height (m) Direction Period (s) | NE 7 | SSE 10 | E 10 | — | — | E 10 | E 10 | E 9 | E 17 | SSW 16 | S 22 | E 15 | E 10 | E 10 | ENE 14 | S 13 | S 19 | S 17 | ENE 13 |
| kJ | 2 | 60 | 8 | — | — | 8 | 8 | 7 | 6 | 52 | 85 | 4 | 2 | 2 | 18 | 114 | 28 | 93 | 17 |
Swell 3 Height (m) Direction Period (s) | E 10 | NNE 7 | NE 8 | — | — | — | — | E 15 | E 17 | NE 16 | E 16 | E 9 | E 10 | S 21 | E 9 | ENE 13 | ENE 14 | ENE 14 | E 9 |
| kJ | 8 | 5 | 3 | — | — | — | — | 4 | 6 | 10 | 5 | 1 | 2 | 9 | 2 | 18 | 19 | 19 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 8 | S 9 | — | — | NW 2 | S 7 | S 10 | S 9 | S 9 | S 10 | S 10 | — | — | — | — | — |
| kJ | — | — | — | 1081 | 1018 | — | — | 1 | 778 | 3030 | 1172 | 1465 | 1476 | 1079 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 2 | 10 | 123 | 123 | 3 | 0 | 4 | 383 | 132 | 7 | 184 | 2 | 2 | 171 | 2 | 2 | 10 | 0 |
Best forecast wave conditions in Sydney North Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Avalon-North Surf forecast
The above surf forecast table for Avalon-North provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Avalon-North can be found by selecting the local surf guide option on the grey menu. Our Avalon-North 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 (Avalon-North) 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 Avalon-North 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.
Avalon-North is 14 km (9 miles) from the city of Dee Why. If you plan a holiday in Sydney North Coast, look for hotels and other accommodation in Dee Why. Dee Why has rooms for a wide range of budgets as well as car hire and transport links.
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