Surf Forecasts:
Narrabeen-Alley Rights surf forecast from 24 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 4AM (local time) - 4.5ft (1.4m), 6s period, NE swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 10AM (local time) - 5ft (1.6m), 7s period, NE swell with 233 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 4AM (local time) - 4.5ft (1.4m), 6s period with NE swell.
Best Forecast Surf Conditions for Narrabeen-Alley Rights this week:
The surf forecast for Narrabeen-Alley Rights over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 4AM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 1.2m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Narrabeen-Alley Rights in the next 16 days are 1.6m 7s and forecast to arrive on Tuesday (Aug 25) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Thursday (Aug 27) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Tue 25th Aug) | 4.5ft (1.4m) 6s |
| Best Surf | 4AM (Tue 25th Aug) | 4.5ft (1.4m) 6s |
| Most Powerful | 10AM (Tue 25th Aug) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Narrabeen-Alley Rights over the next 16 days.
The Lowdown
G’day, I’m Rusty. Let’s have a look at what’s coming up for Narrabeen-Alley Rights.
Right off the bat, I’ve got to be straight with you – this stretch of the next 16 days is a tough one. The surf is small and mostly messy, with a real lack of decent swell. The water temp is sitting at 63°F, about 1°F below average for this time of year, so pretty standard – nothing to complain about on that front.
The first real standout is Saturday morning, 29 August. We’ve got a 3ft swell from the SSE, period 9 seconds, and glassy conditions with a slight air – that’s about as clean as it gets. The combined wave energy is moderate at 206. It’s not huge, but it’s your best bet for a proper surf. Keep in mind, this is a beach/sandbar setup, so with the longer period there’ll be longer gaps between sets, but the clean conditions will make it a good session. Crowds are often here, so don’t expect to have it to yourself.
After that, it’s a bit of a letdown. The next reasonable window is Tuesday morning, 01 September – a tiny 2ft from the ENE with an 11-second period, and glassy conditions again. The combined energy is weak at 88, so it’s more of a longboard or foiler session. The following week, from 02 September onward, is mostly small, onshore, or just plain poor. There’s a brief glimmer on Friday morning, 04 September with a 2ft NE swell and a clean offshore breeze from the WNW, but it’s still very small.
The best of the whole run is definitely Saturday morning, 29 August – that’s the one to circle. After that, conditions get pretty bleak, with long gaps of nothing worthwhile. It’s a beach break here, so when the swell is that small and the wind is messy, it’s honestly more interesting for kite surfing than paddle surfing through most of the second week.
Stay patient, keep an eye on the forecasts, but for now, Saturday 29 August morning is your window.
Rusty.
Short Range ForecastModerate rain (total 17mm), heaviest on Wed morning. Warm (max 20°C on Tue morning, min 15°C on Wed night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Fri morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
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) | NE 5 | NE 5 | NE 6 | NE 7 | ENE 7 | NE 8 | NE 8 | S 6 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | SSE 11 | SSE 10 | SSE 9 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | ENE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 41 | 59 | 152 | 233 | 183 | 215 | 140 | 169 | 60 | 54 | 40 | 70 | 59 | 103 | 145 | 168 | 205 | 149 | 65 | 46 | 48 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | off | cross | cross-on | cross-on | cross-on | on | glassy | glassy | cross-on | cross | glassy | cross-on | glassy | glassy | cross | off |
High Tide | 5:46PM1.40m | 6:30AM1.00m | 6:27PM1.47m | 7:07AM1.08m | 7:04PM1.52m | 7:41AM1.15m | 7:40PM1.55m | 8:15AM1.23m | 8:15PM1.55m | 8:49AM1.30m | 8:51PM1.52m | 9:24AM1.36m | 9:28PM1.45m | ||||||||
Low Tide | 11:07AM0.49m | 00:37AM0.31m | 11:56AM0.43m | 1:12AM0.24m | 12:39PM0.37m | 1:43AM0.18m | 1:19PM0.32m | 2:14AM0.13m | 1:59PM0.28m | 2:44AM0.10m | 2:39PM0.25m | 3:15AM0.10m | 3:21PM0.25m | 3:46AM0.12m | |||||||
 | |  |  |  |  |  | |  | | |  | |  | | | | | | | | |
 | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — |
 | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — |
mm | — | — | — | — | 2 | 5 | 7 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 17 | 20 | 18 | 16 | 17 | 16 | 15 | 15 | 15 | 14 | 16 | 15 | 14 | 16 | 16 | 15 | 16 | 16 | 15 |
Feels °C | 15 | 14 | 13 | 16 | 15 | 14 | 14 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 14 | 14 | 15 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | NE 7 | ENE 7 | NE 8 | NE 8 | ENE 8 | NE 8 | S 8 | S 8 | S 8 | S 9 | S 9 | SSE 10 | SSE 9 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | ENE 9 |
| kJ | 156 | 94 | 72 | 131 | 183 | 215 | 140 | 106 | 60 | 331 | 160 | 161 | 239 | 122 | 145 | 168 | 205 | 149 | 65 | 46 | 48 |
Swell 2 Height (m) Direction Period (s) | NE 5 | S 18 | S 17 | S 10 | S 10 | S 9 | S 16 | S 11 | S 15 | ENE 8 | ENE 8 | S 12 | ENE 8 | SSE 11 | S 11 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 8 |
| kJ | 41 | 25 | 6 | 44 | 29 | 15 | 42 | 10 | 5 | 54 | 40 | 180 | 59 | 103 | 86 | 38 | 42 | 44 | 42 | 44 | 32 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | E 13 | — | S 16 | S 16 | S 16 | — | — | S 11 | S 15 | S 14 | ENE 9 | S 15 | ENE 8 | ENE 8 | S 10 | S 10 | S 7 | SSW 9 | S 9 | S 8 |
| kJ | 6 | 3 | — | 19 | 20 | 47 | — | — | 10 | 38 | 66 | 70 | 17 | 44 | 41 | 33 | 30 | 4 | 27 | 25 | 18 |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | NE 6 | NE 7 | — | NW 3 | WSW 2 | S 6 | S 7 | — | — | — | — | — | — | — | — | — | — | — | NE 3 |
| kJ | 60 | 59 | 152 | 233 | — | 6 | 1 | 169 | 257 | — | — | — | — | — | — | — | — | — | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 178 | 19 | 7 | 7 | 0 | 2 | 162 | 2 | 2 | 2 | 0 | 0 | 18 | 1 | 0 | 18 | 0 | 0 | 125 | 0 |
Best forecast wave conditions in Sydney North Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Narrabeen-Alley Rights Surf forecast
The above surf forecast table for Narrabeen-Alley Rights provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Narrabeen-Alley Rights can be found by selecting the local surf guide option on the grey menu. Our Narrabeen-Alley Rights 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 (Narrabeen-Alley Rights) 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 Narrabeen-Alley Rights 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.
Narrabeen-Alley Rights is 5 km (3 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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