Surf Forecasts:
Narrabeen-Alley Rights surf forecast from 20 Sep 2026:
- Best quality surf: Saturday 26 Sep, 1AM (local time) - 6ft (1.9m), 7s period, NE swell with offshore winds.
- Most powerful swell: Tuesday 22 Sep, 1PM (local time) - 6ft (1.9m), 11s period, SSE swell with 793 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 1AM (local time) - 4.5ft (1.4m), 6s 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 Wednesday (Sep 23) at 1AM. The primary swell is predicted to be 1.4m and 6s 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 11s and forecast to arrive on Tuesday (Sep 22) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Monday (Sep 21) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 23rd Sep) | 4.5ft (1.4m) 6s |
| Best Surf | 1AM (Sat 26th Sep) | 6ft (1.9m) 7s |
| Most Powerful | 1PM (Tue 22nd Sep) | 6ft (1.9m) 11s |
Table - best surf conditions forecast for Narrabeen-Alley Rights over the next 16 days.
Short Range ForecastHeavy rain (total 23mm), heaviest during Tue afternoon. Warm (max 27°C on Mon morning, min 14°C on Mon night). Winds decreasing (fresh winds from the SSE on Mon morning, calm by Wed morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sat morning, min 15°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 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) | NNE 4 | SSE 6 | S 10 | SSE 8 | SSE 10 | ENE 6 | ENE 6 | NE 6 | NE 6 | ENE 6 | ENE 5 | ENE 6 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | NE 7 | SSE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 230 | 0 | 322 | 678 | 122 | 162 | 245 | 147 | 84 | 102 | 132 | 163 | 374 | 371 | 112 | 158 | 236 | 133 | 53 | 199 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | cross-off | glassy | cross | cross-off | cross | cross | cross-off | cross-off | cross | off | glassy | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:18PM1.28m | 5:17AM0.99m | 5:08PM1.34m | 5:57AM1.08m | 5:51PM1.40m | 6:32AM1.19m | 6:30PM1.45m | 7:06AM1.29m | 7:08PM1.47m | 7:40AM1.39m | 7:47PM1.46m | 8:15AM1.48m | 8:27PM1.42m | ||||||||
Low Tide | 11:15PM0.37m | 10:43AM0.52m | 11:53PM0.29m | 11:32AM0.44m | 00:26AM0.22m | 12:17PM0.36m | 00:58AM0.16m | 12:59PM0.28m | 1:29AM0.12m | 1:41PM0.21m | 2:01AM0.10m | 2:24PM0.16m | 2:34AM0.12m | ||||||||
 |  |  |  |  |  |  | |  | | | | | | | | |  | | | | |
 | 5:47 | — | — | 5:45 | — | — | 5:43 | — | — | 5:41 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — |
 | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | 1 | 10 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 19 | 18 | 17 | 24 | 23 | 25 | 28 | 26 | 17 | 14 | 15 | 14 |
Feels °C | 21 | 11 | 11 | 12 | 12 | 16 | 17 | 15 | 14 | 15 | 14 | 14 | 20 | 20 | 23 | 24 | 22 | 12 | 8 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 12 | S 10 | S 11 | SSE 10 | S 9 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | S 9 | NE 7 | NE 7 | S 10 | NE 8 | NE 8 | NE 7 | SSE 7 |
| kJ | 112 | 100 | 1476 | 189 | 678 | 164 | 131 | 160 | 114 | 73 | 78 | 30 | 16 | 6 | 261 | 112 | 8 | 236 | 133 | 53 | 199 |
Swell 2 Height (m) Direction Period (s) | NNE 4 | NE 5 | S 18 | S 20 | S 17 | S 19 | S 16 | S 19 | E 13 | E 10 | E 12 | E 12 | S 16 | S 15 | S 9 | S 9 | S 13 | S 10 | — | S 19 | NE 7 |
| kJ | 1 | 1 | 24 | 8 | 50 | 340 | 121 | 7 | 3 | 2 | 3 | 3 | 5 | 5 | 6 | 6 | 3 | 8 | — | 7 | 23 |
Swell 3 Height (m) Direction Period (s) | S 16 | E 11 | S 21 | — | E 15 | — | — | E 13 | — | — | S 18 | E 12 | — | — | S 14 | S 13 | — | — | — | — | S 16 |
| kJ | 5 | 2 | 9 | — | 4 | — | — | 3 | — | — | 6 | 3 | — | — | 4 | 4 | — | — | — | — | 43 |
Wind waves Height (m) Direction Period (s) | WNW 3 | SSE 6 | — | SSE 8 | — | ENE 6 | ENE 6 | NE 6 | NE 6 | ENE 6 | ENE 5 | ENE 6 | ENE 7 | NE 7 | NE 7 | — | NE 7 | SSW 2 | S 5 | SSE 6 | — |
| kJ | 2 | 230 | — | 322 | — | 122 | 162 | 245 | 147 | 84 | 102 | 132 | 163 | 374 | 371 | — | 158 | 2 | 86 | 155 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 271 | 195 | 89 | 18 | 0 | 0 | 127 | 19 | 173 | 740 | 19 | 0 | 127 | 0 | 0 | 3 | 2 | 391 | 598 | 2 |
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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