
Surf Forecasts:
Narrabeen-Alley Rights surf forecast from 10 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 1PM (local time) - 2.5ft (0.7m), 9s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 10 Aug, 1PM (local time) - 6ft (1.9m), 9s period, NE swell with 626 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 1PM (local time) - 2.5ft (0.7m), 9s period with ENE 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 11) at 1PM. The primary swell is predicted to be 0.7m and 9s period. 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 1.9m 9s and forecast to arrive on Monday (Aug 10) at 1PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 9s period and expected on Thursday (Aug 13) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Tue 11th Aug) | 2.5ft (0.7m) 9s |
| Best Surf | 1PM (Tue 11th Aug) | 2.5ft (0.7m) 9s |
| Most Powerful | 1PM (Mon 10th Aug) | 6ft (1.9m) 9s |
Table - best surf conditions forecast for Narrabeen-Alley Rights over the next 16 days.
The Lowdown
Alright, Rusty here, let's have a look at what's on the table for Narrabeen-Alley Rights.
Right off the bat, we've got a solid little pulse arriving on Monday the 10th. A fresh offshore NNW breeze is going to have things looking clean with a 7ft ENE swell running at 9 seconds. The combined energy is sitting at a healthy 691 (moderate). This is advanced territory with that size, so it's for the crew who know their way around. Water temp is sitting at 63°, which is about 2° cooler than average for this time of year – nothing too wild, just a standard late-winter chill.
Monday afternoon, the wind swings NW and kicks up to 28 mph. It’s still offshore, so it’ll be clean, but that's a strong breeze and paddling back out is going to be a real workout. The swell drops a touch to 6ft from the NE. Not the best window for a long session.
Tuesday the 11th sees a big drop in energy. We’re down to 2ft with a light WSW cross-off wind. It's clean but small, and the energy reading is a weak 86. Not worth getting wet for.
Wednesday through to Saturday the 15th is a real flat spell. Swell drops to 1ft and below. The energy figures are in the gutter, between 18 and 93. Don't bother paddling out; it’s a write-off for almost a week.
Sunday the 16th stays small and choppy with onshore winds. The surf is poor.
Monday the 17th sees a bit of a bump from the ESE at 4ft, but it's onshore and messy with a period of only 7 seconds. Not great, but the energy climbs to 158 (moderate). Still, not one to get excited about.
Tuesday the 18th offers 6ft from the ESE, but it's cross-on and choppy. The energy is 365 (moderate), but the quality just isn't there.
Now, here’s where it gets interesting. We’ve got a couple of standout windows on the horizon. Thursday morning the 20th looks good. The swell drops a touch to a more user-friendly 4ft from the ENE, with a light WSW cross-off breeze and clean conditions. The energy is 355 (moderate). It’s a solid, clean option.
But the real gem is Friday morning the 21st. The wind goes glassy – WNW at 3 mph. Swell is 5ft from the E with a period of 8 seconds. The energy reading is 277 (moderate). This is as clean as it gets. For a beach/sandbar break like this, glassy conditions are pure gold. The crowd factor is 'often', so you won't be alone, but with conditions that good, it's worth sharing the lineup.
Saturday the 22nd morning keeps the run going with a clean 4ft ENE swell and a light NNE cross-off. Good, but Friday morning is the pick.
From Sunday the 23rd into the final days, we see more size but with increasing wind. Monday the 24th shows a 6ft SSE swell with a moderate NW offshore – very clean, but that's big for the average punter and the energy is a strong 806. The following Tuesday the 25th has a 5ft E groundswell with a long 12-second period, which is prone to breaking a bit straight on a beach break, but it'll have some punch.
Best on offer: Friday morning the 21st. Glassy conditions, clean 5ft surf, and moderate energy. Get out there early. Thursday morning the 20th is a solid backup.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Tue morning, min 11°C on Tue night). Winds decreasing (strong winds from the NW on Mon afternoon, light winds from the W by Tue morning). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Sat morning. Very mild (max 16°C on Thu morning, min 10°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | |||||||||||||||
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) | ENE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 10 | SSE 9 | SSE 7 | SSE 6 | ENE 10 |
Wave Graph | |||||||||||||||||||||
691 | 549 | 151 | 75 | 75 | 71 | 52 | 52 | 50 | 52 | 35 | 29 | 31 | 30 | 17 | 18 | 18 | 131 | 128 | 112 | 20 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-off | cross-off | on | cross | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 6:09PM1.69m | 7:00AM1.12m | 7:01PM1.76m | 7:49AM1.19m | 7:50PM1.78m | 8:34AM1.25m | 8:36PM1.75m | 9:17AM1.31m | 9:20PM1.66m | 9:59AM1.34m | 10:02PM1.53m | 10:40AM1.36m | 10:44PM1.37m | ||||||||
Low Tide | 11:30AM0.33m | 1:02AM0.06m | 12:29PM0.27m | 1:50AM-0.01m | 1:22PM0.22m | 2:33AM-0.04m | 2:13PM0.19m | 3:13AM-0.02m | 3:02PM0.19m | 3:51AM0.02m | 3:50PM0.23m | 4:27AM0.10m | 4:40PM0.28m | ||||||||
6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | |
— | 5:21 | — | — | 5:21 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | 1 | 3 | 4 | 2 |
Temp °C | 17 | 14 | 16 | 20 | 20 | 13 | 17 | 19 | 14 | 16 | 16 | 13 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 9 | 6 | 11 | 17 | 17 | 6 | 13 | 15 | 9 | 12 | 12 | 9 | 13 | 13 | 13 | 12 | 10 | 10 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | NE 9 | ENE 9 | ENE 9 | S 12 | S 10 | S 10 | S 9 | S 8 | S 8 | S 9 | S 8 | S 9 | S 9 | S 7 | S 7 | S 8 | SSE 9 | S 12 | ENE 10 | S 12 |
691 | 549 | 151 | 75 | 887 | 458 | 216 | 133 | 111 | 307 | 601 | 202 | 262 | 252 | 108 | 43 | 111 | 131 | 80 | 22 | 217 | |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | E 13 | S 12 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 9 | S 9 | ENE 10 | S 14 | ENE 10 | E 8 | ESE 5 |
3 | 3 | 4 | 3 | 75 | 71 | 52 | 52 | 50 | 52 | 35 | 29 | 31 | 30 | 17 | 40 | 18 | 33 | 21 | 1 | 13 | |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | — | — | — | — | S 14 | S 13 | S 16 | — | S 15 | S 19 | S 20 | S 16 | ENE 10 | S 19 | ENE 10 | S 18 | — | ENE 10 |
— | — | 3 | — | — | — | — | 4 | 3 | 5 | — | 18 | 7 | 74 | 45 | 18 | 28 | 18 | 24 | — | 20 | |
Wind waves Height (m) Direction Period (s) | NNW 5 | NW 5 | W 4 | SW 6 | — | W 4 | NW 3 | NNW 3 | W 3 | S 8 | — | — | W 3 | — | — | — | — | S 14 | SSE 7 | SSE 6 | — |
65 | 60 | 36 | 123 | — | 9 | 2 | 4 | 6 | 431 | — | — | 3 | — | — | — | — | 529 | 128 | 112 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 127 | 169 | 203 | 4 | 0 | 0 | 1 | 0 | 2 | 2 | 18 | 1 | 1 | 2 | 1 | 2 | 54 | 2 | 2 | 513 | 173 |
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.











