Surf Forecasts:
Narrabeen-Alley Rights surf forecast from 25 Jul 2026:
- Best quality surf: Saturday 1 Aug, 4AM (local time) - 4.5ft (1.3m), 8s period, SSE swell with cross-offshore winds.
- Most powerful swell: Saturday 1 Aug, 4AM (local time) - 4.5ft (1.3m), 8s period, SSE swell with 240 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 10PM (local time) - 3ft (0.9m), 8s period with SSE 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 Monday (Jul 27) at 10PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.1m and 15s. 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 1.3m 8s and forecast to arrive on Saturday (Aug 01) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Thursday (Jul 30) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 27th Jul) | 3ft (0.9m) 8s |
| Best Surf | 4AM (Sat 1st Aug) | 4.5ft (1.3m) 8s |
| Most Powerful | 4AM (Sat 1st Aug) | 4.5ft (1.3m) 8s |
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 coming up for Narrabeen-Alley Rights over the next couple of weeks.
Right off the bat, it’s a slow start. Saturday the 25th has a tiny bit of swell, but it’s poor and not worth paddling out for. The water temp is sitting at 65°, which is pretty normal for this time of year. Honestly, the next week is a write-off – there’s a long gap of nothing happening, a few tiny bumps with short period around 8 seconds, and messy winds. Those long period groundswells that show up on the 27th and 28th, from the SE with periods up to 15-18 seconds? They’re so tiny (0.3ft) they won't even crumble. It’s a blank run. This kind of quiet spell is pretty normal for the area.
Then we see the first real hope on Saturday the 1st of August. The morning shapes up nicely: a clean 4ft SSE swell coming in with a light W cross-offshore breeze. The combined energy is moderate at 203. It’s an exposed beach/sandbar set-up, so expect it to be a bit inconsistent, but the wind will keep it clean. It’s not huge, but after such a long wait, this is the standout session for the near-term.
The real fireworks are the week after, though. Wednesday the 5th of August is the big one to circle on your calendar. A solid 8ft SSE groundswell (period 13 seconds) hits in the morning with a light WSW cross-offshore breeze. That’s a lot of energy, a whopping 1856 (combined energy), and it'll be clean. This is for experienced surfers only – over 8ft is expert territory, and this swell pushes that limit. The afternoon drops to 7ft with glassy conditions and an ENE breeze so light it might as well not be there. The quality is excellent. Thursday the 6th holds a bit of size at 6ft, still clean in the morning with a NW offshore wind, but the energy is coming down.
Then look at Sunday the 9th of August. Another big one: 8ft SSE swell at 11 seconds, with a WNW offshore breeze clearing things up. The combined energy is 1528. Again, expert only – this is a powerful, clean swell setup, but the period isn’t quite as long as the 5th, so it might be a little more manageable.
The only day that’s worth paddling for the average punter is that Saturday morning, the 1st of August. For the big, clean, powerful stuff, the dates are the 5th and 9th of August – but that’s for the crew who know what they’re doing.
Rusty.
Short Range ForecastSome drizzle, heaviest during Sun night. Very mild (max 19°C on Sat afternoon, min 11°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Tue morning, min 8°C on Wed night). Winds increasing (light winds from the W on Tue morning, fresh winds from the SW by Wed morning). | ||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | |||||||||||||||
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 8 | ENE 8 | SW 4 | ENE 8 | ENE 8 | NE 8 | SE 18 | SE 14 | SSE 8 | SE 15 | SE 6 | SE 14 | SE 13 | SSW 6 | E 13 | S 9 | E 13 | E 13 | E 13 | E 13 | E 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 7 | 17 | 6 | 6 | 2 | 12 | 8 | 83 | 8 | 8 | 8 | 7 | 37 | 3 | 0 | 3 | 3 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | cross-off | cross-on | cross | glassy | cross | off | cross-off | cross | off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-on | cross-off |
High Tide | 5:26PM1.39m | 6:09AM0.92m | 6:11PM1.44m | 6:54AM0.96m | 6:53PM1.50m | 7:34AM1.01m | 7:32PM1.55m | 8:11AM1.05m | 8:08PM1.58m | 8:47AM1.10m | 8:43PM1.58m | 9:23AM1.14m | 9:17PM1.56m | ||||||||
Low Tide | 10:34AM0.49m | 00:26AM0.37m | 11:27AM0.46m | 1:07AM0.31m | 12:14PM0.43m | 1:45AM0.25m | 12:57PM0.39m | 2:19AM0.20m | 1:38PM0.36m | 2:53AM0.16m | 2:17PM0.34m | 3:25AM0.14m | 2:56PM0.33m | 3:56AM0.13m | |||||||
 | |  | |  |  | |  |  | | | | | | | | | | | | | |
 | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — | — | 5:12 | — | — | 5:12 | — | — | 5:13 | — | — | 5:14 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 19 | 14 | 16 | 15 | 15 | 16 | 16 | 15 | 18 | 17 | 15 | 15 | 13 | 10 | 12 | 14 | 14 | 14 | 15 | 13 |
Feels °C | 13 | 16 | 8 | 13 | 12 | 14 | 14 | 13 | 13 | 15 | 13 | 11 | 7 | 5 | 5 | 5 | 8 | 8 | 8 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 12 | S 11 | S 10 | S 9 | S 9 | S 8 | SSE 8 | S 7 | S 9 | S 8 | NNW 3 | SE 13 | E 13 | S 9 | E 12 | S 9 | S 9 | S 9 | SSE 8 |
| kJ | 771 | 416 | 508 | 915 | 627 | 341 | 189 | 143 | 83 | 38 | 25 | 12 | 1 | 7 | 3 | 899 | 3 | 783 | 498 | 575 | 284 |
Swell 2 Height (m) Direction Period (s) | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 7 | SE 16 | SE 15 | SE 6 | SE 6 | S 7 | E 8 | — | S 15 | E 12 | E 13 | E 13 | E 13 | E 12 |
| kJ | 17 | 7 | 7 | 6 | 6 | 2 | 2 | 2 | 10 | 8 | 7 | 2 | 4 | 1 | — | 4 | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | — | — | — | SE 18 | SE 14 | NE 8 | — | SE 15 | SE 14 | SE 13 | S 16 | — | — | E 13 | — | — | E 13 | NE 7 |
| kJ | 2 | 1 | 1 | — | — | — | 12 | 8 | 3 | — | 8 | 8 | 7 | 5 | — | — | 3 | — | — | 3 | 2 |
Wind waves Height (m) Direction Period (s) | W 3 | — | SW 4 | — | — | — | — | — | WNW 2 | — | — | W 3 | W 3 | SSW 6 | S 9 | S 9 | S 9 | — | — | — | — |
| kJ | 5 | — | 17 | — | — | — | — | — | 1 | — | — | 4 | 5 | 37 | 998 | 1129 | 723 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 1 | 2 | 1 | 18 | 1 | 1 | 125 | 0 | 1 | 62 | 136 | 271 | 108 | 2 | 2 | 2 | 1 | 2 | 2 | 1 |
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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