Surf Forecasts:
Little Avalon surf forecast from 10 Sep 2026:
- Best quality surf: Friday 11 Sep, 10AM (local time) - 0.5ft (0.2m), 15s period, ENE swell with offshore winds.
- Most powerful swell: Thursday 17 Sep, 10PM (local time) - 4.5ft (1.4m), 6s period, NNE swell with 119 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 10AM (local time) - 0.5ft (0.2m), 15s period with ENE swell.
Best Forecast Surf Conditions for Little Avalon this week:
The surf forecast for Little Avalon over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 10AM. The primary swell is predicted to be 0.2m and 15s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Little Avalon in the next 16 days are 1.4m 6s and forecast to arrive on Thursday (Sep 17) at 10PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 10s period and expected on Thursday (Sep 10) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Fri 11th Sep) | 0.5ft (0.2m) 15s |
| Best Surf | 10AM (Fri 11th Sep) | 0.5ft (0.2m) 15s |
| Most Powerful | 10PM (Thu 17th Sep) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Little Avalon over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get straight into it.
We’re looking at a pretty grim run for Little Avalon for the next week and a half, with hardly anything worth paddling out for. The first recommendation doesn’t pop up until well into the forecast, so there’s a long stretch of quiet.
From Thursday the 10th right through to the morning of Monday the 21st, it’s flat or tiny, bumpy, and just not worth the hassle. We’ve got days of weak, short-period windswell or micro stuff with onshore or cross-shore winds messing up any chance of a wave. The water temp is sitting at 64°F, which is about average for this time of year, so nothing weird there.
The one true standout, the only proper bright spot in the whole 16-day window, arrives on Monday the 21st of September. Monday morning is looking magic. The sky is clear, the wind is dead calm – glassy conditions – and we’ve got a solid 5 ft swell from the southeast churning in. That’s a moderate energy pulse (877) with a 10-second period, so it’ll have some proper push and shape. This is a reef break that needs a good swell to work, and it’s finally getting it. The wind is offshore for this little reef from the southwest, so expect clean, lined-up waves. It’s advanced and very consistent, and it’s exposed, so this is the window. The morning of the 21st is the pick.
Later that Monday afternoon, the wind swings east and gets a bit cross-on, dropping the swell a touch to 5 ft (547 energy). Still surfable, but the morning is the one.
Then Tuesday the 22nd and Wednesday the 23rd, the swell drops back and the wind turns onshore again, so that’s that. Another small window pops up on Thursday the 24th. The afternoon brings a 8 ft swell from the northeast with a 7-second period, which is a bit short but with strong energy (511) and clean cross-offshore winds from the west-northwest. That’s big enough to be expert-only at that size, so only the experienced crew should be looking at it. The following Friday morning is too windy with a 19 mph cross-offshore, so it’s messy.
So, to sum it up: the clear winner is the morning of Monday the 21st of September. Glassy, a solid 5 ft southeast groundswell, and the reef will be on. Be there.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 12°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Tue night. Warm (max 26°C on Mon morning, min 14°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
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) | ESE 9 | E 15 | ENE 15 | ENE 14 | ENE 13 | ENE 14 | ENE 14 | ENE 13 | NE 4 | NE 4 | NE 6 | NE 6 | NE 4 | NE 6 | NE 6 | ENE 13 | ENE 13 | ENE 14 | ENE 12 | ENE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 17 | 4 | 21 | 18 | 18 | 19 | 19 | 16 | 8 | 29 | 84 | 26 | 27 | 52 | 28 | 17 | 18 | 20 | 15 | 17 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross | cross-off | glassy | cross-on | cross-on | on | on | cross | cross | on | cross | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 7:32PM1.63m | 8:07AM1.38m | 8:14PM1.58m | 8:45AM1.44m | 8:55PM1.48m | 9:21AM1.47m | 9:35PM1.36m | 9:57AM1.47m | 10:15PM1.23m | 10:34AM1.44m | 10:56PM1.11m | 11:14AM1.39m | 11:41PM1.00m | |||||||
Low Tide | 2:00AM0.03m | 2:02PM0.17m | 2:35AM0.06m | 2:47PM0.16m | 3:08AM0.11m | 3:32PM0.18m | 3:40AM0.19m | 4:16PM0.23m | 4:11AM0.28m | 5:03PM0.30m | 4:43AM0.37m | 5:53PM0.38m | ||||||||
 |  |  | |  | | | | | | | | | | |  |  | | | | |
 | — | — | 6:00 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — |
 | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — |
Temp °C | 15 | 14 | 16 | 16 | 15 | 18 | 17 | 16 | 20 | 18 | 17 | 26 | 25 | 23 | 16 | 16 | 15 | 15 | 15 | 15 |
Feels °C | 10 | 12 | 14 | 14 | 15 | 15 | 14 | 15 | 17 | 14 | 15 | 22 | 21 | 21 | 14 | 14 | 12 | 12 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | S 22 | S 10 | S 10 | S 10 | S 10 | S 12 | S 11 | S 10 | S 11 | S 11 | NE 6 | S 11 | S 11 | NE 6 | NE 6 | NE 6 | NE 5 | S 9 | S 9 | S 11 |
| kJ | 233 | 967 | 618 | 480 | 384 | 404 | 291 | 194 | 181 | 184 | 84 | 121 | 81 | 52 | 28 | 11 | 1 | 845 | 425 | 451 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | E 15 | ENE 15 | ENE 14 | S 19 | S 19 | S 17 | S 20 | ENE 4 | ENE 13 | S 10 | NE 6 | ENE 13 | S 10 | S 10 | S 9 | ENE 13 | S 17 | S 15 | ENE 13 |
| kJ | 17 | 4 | 21 | 18 | 61 | 184 | 148 | 121 | 7 | 17 | 136 | 26 | 16 | 48 | 29 | 14 | 18 | 22 | 67 | 17 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 10 | ENE 15 | E 10 | ENE 13 | ENE 14 | ENE 14 | ENE 13 | S 17 | ENE 13 | ENE 13 | ENE 13 | — | ENE 12 | ENE 13 | ENE 13 | S 17 | ENE 14 | ENE 12 | NE 7 |
| kJ | 2 | 2 | 21 | 2 | 18 | 19 | 19 | 16 | 49 | 17 | 17 | 17 | — | 15 | 16 | 17 | 23 | 20 | 15 | 2 |
Wind waves Height (m) Direction Period (s) | S 10 | — | — | — | — | — | — | NE 4 | NE 4 | NE 4 | — | WNW 2 | NE 4 | — | SSW 3 | S 5 | S 8 | — | — | — |
| kJ | 1004 | — | — | — | — | — | — | 6 | 8 | 29 | — | 1 | 27 | — | 3 | 49 | 509 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 46 | 2 | 0 | 6 | 2 | 2 | 182 | 2 | 10 | 197 | 0 | 2 | 12 | 0 | 179 | 203 | 170 | 90 | 10 | 2 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Little Avalon Surf forecast
The above surf forecast table for Little Avalon provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Little Avalon can be found by selecting the local surf guide option on the grey menu. Our Little Avalon 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 (Little Avalon) 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 Little Avalon 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.
Little Avalon is 13 km (8 miles) from 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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