
Surf Forecasts:
Narrabeen-Alley Rights surf forecast from 20 Jul 2026:
- Best quality surf: Tuesday 21 Jul, 10AM (local time) - 5ft (1.5m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Tuesday 21 Jul, 10AM (local time) - 5ft (1.5m), 10s period, ENE swell with 433 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 10AM (local time) - 5ft (1.5m), 10s 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 (Jul 21) at 10AM. The primary swell is predicted to be 1.5m and 10s 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 1.5m 10s and forecast to arrive on Tuesday (Jul 21) 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 2.3m 10s period and expected on Friday (Jul 24) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Tue 21st Jul) | 5ft (1.5m) 10s |
| Best Surf | 10AM (Tue 21st Jul) | 5ft (1.5m) 10s |
| Most Powerful | 10AM (Tue 21st Jul) | 5ft (1.5m) 10s |
Table - best surf conditions forecast for Narrabeen-Alley Rights over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s get into it.
We’ve got a solid little pulse coming through for Narrabeen-Alley Rights (Sydney). This is a beach/sandbar set-up that’s exposed to the swell and very consistent, so it doesn’t stay flat for long. The water temperature is sitting at 64°, which is bang on average for the time of year, so nothing wild there.
The run starts on Tuesday the 21st of July. The morning is the pick early on. We’ve got a clean 5ft swell from the ENE with a 10-second period, and a light cross-off breeze from the north at 6 mph. The combined energy is sitting at 433, which is moderate, and it’s generating some decent shape. This is a solid, fun-sized wave for advanced surfers. The afternoon goes a bit average with a NE breeze picking up to 12 mph, so it’ll get a bit lumpy.
Wednesday the 22nd is looking even better. The morning has a clean 4ft ENE swell, again with a 10-second period, but the wind is light from the west at 6 mph – cross-off, tidy conditions. The real standout is Wednesday afternoon: the wind drops to glassy, ENE at only 3 mph, and the swell is still 4ft. That’s about as clean as it gets. The combined energy is 210, so not huge, but the quality will be top-notch. Crowds are often here, so expect company.
Thursday the 23rd starts to fade. The morning is a clean 3ft, but the afternoon drops to 3ft with a strong SW wind at 19 mph. Not worth paddling out.
From Friday the 24th right through to the 30th of July, it’s a flat spell. Swell drops to 1ft and below. Just a long gap of tiny, weak surf with combined energy values in the teens and single digits. Nothing to get excited about. The 31st of July morning shows a bit of a spike back up to 5ft from the SE, but the period is only 8 seconds and the wind is cross-shore, so it’s marginal. The afternoon is onshore. Skip it.
Now, the real standout for the whole window is Saturday the 1st of August. Early morning, we’ve got glassy conditions – wind is west at 3 mph, barely a breath. The swell is 5ft from the SE with a 9-second period, and the combined energy is 416. That’s moderate energy but with a clean, glassy surface, it’s going to be absolutely gorgeous. The swell size is right in the sweet spot for advanced crew. The afternoon goes onshore, so get in early.
After that, the 2nd of August is a write-off with rain and cross-shore winds, and the 3rd has a 4ft SE swell but with a moderate NE cross-breeze, so it’s messy. The 4th and 5th of August drop right back down to 3ft and smaller, with clean offshore winds but not enough oomph for a proper session.
Best bet: Wednesday the 22nd of July afternoon for glassy perfection, but the biggest and cleanest punch is Saturday the 1st of August morning – that’s the one to circle on the calendar. Just keep in mind, it’s a long-range call, so keep an eye on it.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 8°C on Thu night). Winds increasing (light winds from the ENE on Wed afternoon, fresh winds from the WSW by Thu night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Sat morning, min 7°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
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 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 13 | SE 14 | SE 16 |
Wave Graph | |||||||||||||||||||||
433 | 314 | 218 | 269 | 210 | 168 | 119 | 92 | 45 | 28 | 28 | 23 | 15 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 10 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross | on | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-off | cross-off | cross-on | cross-off |
High Tide | 1:51PM1.28m | 1:50AM1.02m | 2:46PM1.29m | 2:56AM0.92m | 3:41PM1.31m | 4:09AM0.88m | 4:36PM1.34m | 5:15AM0.88m | 5:26PM1.39m | 6:09AM0.92m | 6:11PM1.44m | 6:54AM0.96m | 6:53PM1.50m | ||||||||
Low Tide | 8:13PM0.51m | 7:54AM0.39m | 9:28PM0.51m | 8:43AM0.45m | 10:38PM0.48m | 9:38AM0.48m | 11:38PM0.43m | 10:34AM0.49m | 00:26AM0.37m | 11:27AM0.46m | 1:07AM0.31m | 12:14PM0.43m | 1:45AM0.25m | ||||||||
6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | |
— | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 18 | 20 | 16 | 18 | 17 | 11 | 13 | 13 | 11 | 18 | 18 | 13 | 16 | 16 | 13 | 17 | 16 | 14 |
Feels °C | 13 | 12 | 13 | 14 | 17 | 12 | 12 | 10 | 3 | 9 | 9 | 7 | 13 | 12 | 7 | 13 | 13 | 10 | 15 | 13 | 9 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 10 | S 9 | S 12 | S 11 | S 10 | S 11 | S 11 | S 10 | S 10 | S 9 | S 8 | S 8 |
433 | 314 | 218 | 269 | 210 | 168 | 119 | 92 | 45 | 666 | 365 | 1148 | 663 | 408 | 274 | 434 | 459 | 262 | 153 | 116 | 61 | |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | S 11 | S 10 | S 10 | S 10 | S 17 | ENE 8 | S 12 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 7 | SE 16 |
56 | 32 | 31 | 17 | 20 | 8 | 8 | 7 | 6 | 28 | 214 | 23 | 15 | 6 | 6 | 6 | 6 | 6 | 2 | 2 | 10 | |
Swell 3 Height (m) Direction Period (s) | S 16 | S 15 | S 14 | S 13 | — | — | E 9 | SE 8 | SE 8 | E 7 | ENE 8 | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 11 | SE 13 | SE 14 | NE 7 |
19 | 17 | 4 | 3 | — | — | 2 | 3 | 2 | 1 | 28 | — | 7 | 7 | 2 | 1 | 2 | 2 | 7 | 8 | 2 | |
Wind waves Height (m) Direction Period (s) | — | NE 3 | NE 5 | — | — | W 3 | SSW 5 | SW 5 | SSW 7 | S 10 | — | — | W 3 | — | SW 3 | — | — | N 3 | — | — | WNW 2 |
— | 7 | 25 | — | — | 2 | 18 | 28 | 210 | 1004 | — | — | 2 | — | 5 | — | — | 1 | — | — | 1 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 128 | 0 | 0 | 0 | 0 | 1 | 6 | 2 | 1 | 2 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 38 | 4 |
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.










