Surf Forecasts:
Narrabeen-South surf forecast from 6 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 1AM (local time) - 10ft (3.0m), 8s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 1AM (local time) - 13ft (4.0m), 10s period, S swell with 3,030 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 4AM (local time) - 5.5ft (1.7m), 8s period with S swell.
Best Forecast Surf Conditions for Narrabeen-South this week:
The surf forecast for Narrabeen-South over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 4AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 0.3m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Narrabeen-South in the next 16 days are 4.0m 10s and forecast to arrive on Thursday (Sep 10) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Sunday (Sep 13) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Mon 7th Sep) | 5.5ft (1.7m) 8s |
| Best Surf | 1AM (Tue 8th Sep) | 10ft (3.0m) 8s |
| Most Powerful | 1AM (Thu 10th Sep) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Narrabeen-South over the next 16 days.
The Lowdown
Alright, Rusty here, let’s look at what’s shaping up for Narrabeen-South.
We start with a real clean, glassy window first thing Monday the 7th. The swell is 5ft from the SSE with a period of 8 seconds, so not a lot of punch, but with the wind glassy from the NNW at 3 mph, it’s as good as it gets for an early paddle. The combined swell energy sits at 311 – moderate – so there’s enough to have fun. Water temp is about average for the time of year.
Tuesday the 8th sees the swell bump up to 8ft from the south early with strong energy (1027), but the wind is a cross-off at 16 mph, so it’s clean but big. That size is pushing into advanced territory. Later in the day it drops to 7ft from the SSE with lighter cross-off winds and strong energy (653) – still very good but powerful. Wednesday the 9th morning cleans right up with a 12 mph offshore from the SSW and 5ft SSE swell (280 energy) – glassy and fun. Wednesday arvo gets messy with a 25 mph southerly – that’s more of a kiter’s session.
Thursday the 10th is a standout for the experienced crew. Swell hits 10ft from the south in the arvo with massive energy (1505) and cross-off winds. That’s big, powerful and definitely for experts only. Friday the 11th morning offers 8ft from the south with a 9 mph offshore and 10-second period (1094 energy) – excellent conditions for those with the skills. Saturday the 12th morning brings 6ft from the south with 11-second period, light offshore breeze, and 941 energy – that’s proper groundswell, clean and lined up.
Sunday the 13th drops off hard. Swell down to 4ft and onshore winds – not worth paddling out. The whole of the following week looks small, weak, and mostly onshore until Thursday the 17th morning. That session brings back 6ft from the south with a light cross-off from the SSW at 3 mph and 567 energy – clean again and surfable.
Then there’s a long quiet spell until Saturday the 19th, which is over a week away. That morning shows a solid 8ft south swell with a 13-second period and cross-off winds from the WNW at 16 mph. Energy is big at 1818. That’s a powerful, long-period groundswell – best handled at a reef or point. Sunday the 20th and Monday the 21st hold moderate south swell but with cross-off winds – still clean, but nothing like the standout Saturday morning.
All in all, the best bets are the early glassy session Monday the 7th, the big clean Friday 11th morning, and the promising Saturday 19th morning. The middle of the second week is quiet, so plan around those highlights.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Very mild (max 18°C on Mon morning, min 10°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the S by Wed afternoon). | Days 5-7 Weather SummarySome drizzle, heaviest during Thu morning. Very mild (max 16°C on Fri morning, min 10°C on Wed night). Winds decreasing (fresh winds from the S on Wed night, light winds from the SW by Sat morning). | ||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||
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) | S 9 | SSE 8 | SSE 9 | S 8 | S 9 | SSE 9 | SSE 9 | SSE 8 | S 7 | S 10 | S 9 | S 9 | S 10 | S 10 | S 10 | SSE 10 | S 11 | S 11 | SSE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 764 | 251 | 380 | 1081 | 1018 | 645 | 488 | 268 | 778 | 3030 | 1172 | 1465 | 1476 | 1079 | 809 | 725 | 894 | 584 | 328 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-on | cross-off | cross-off | cross-off | cross | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | cross | cross-off |
High Tide | 4:59AM1.01m | 5:00PM1.55m | 5:57AM1.10m | 5:56PM1.61m | 6:45AM1.20m | 6:46PM1.64m | 7:28AM1.29m | 7:32PM1.63m | 8:07AM1.37m | 8:15PM1.57m | 8:45AM1.43m | 8:56PM1.48m | |||||||
Low Tide | 10:57PM0.23m | 10:24AM0.42m | 11:54PM0.15m | 11:28AM0.35m | 00:41AM0.08m | 12:24PM0.28m | 1:23AM0.04m | 1:14PM0.21m | 2:01AM0.04m | 2:02PM0.18m | 2:36AM0.07m | 2:47PM0.17m | 3:09AM0.12m | ||||||
 |  |  |  | | |  | |  | |  | | | | | | | | | |
 | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — |
 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — |
mm | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 17 | 15 | 16 | 15 | 14 | 16 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 16 | 15 | 15 |
Feels °C | 15 | 17 | 14 | 10 | 12 | 12 | 12 | 11 | 5 | 5 | 7 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSE 8 | SSE 9 | E 11 | E 10 | SSE 9 | SSE 9 | SSE 8 | ESE 13 | ESE 11 | ESE 10 | ESE 9 | E 15 | E 15 | S 10 | SSE 10 | S 11 | S 11 | SSE 10 |
| kJ | 764 | 251 | 380 | 9 | 9 | 645 | 488 | 268 | 34 | 69 | 39 | 35 | 4 | 4 | 809 | 725 | 894 | 584 | 328 |
Swell 2 Height (m) Direction Period (s) | NE 7 | SSE 10 | E 10 | — | — | E 10 | E 10 | E 9 | E 17 | SSW 16 | S 22 | E 15 | E 10 | E 10 | ENE 14 | S 13 | S 19 | S 17 | ENE 13 |
| kJ | 2 | 60 | 8 | — | — | 8 | 8 | 7 | 6 | 52 | 85 | 4 | 2 | 2 | 18 | 114 | 28 | 93 | 17 |
Swell 3 Height (m) Direction Period (s) | E 10 | NNE 7 | NE 8 | — | — | — | — | E 15 | E 17 | NE 16 | E 16 | E 9 | E 10 | S 21 | E 9 | ENE 13 | ENE 14 | ENE 14 | E 9 |
| kJ | 8 | 5 | 3 | — | — | — | — | 4 | 6 | 10 | 5 | 1 | 2 | 9 | 2 | 18 | 19 | 19 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | S 8 | S 9 | — | — | NW 2 | S 7 | S 10 | S 9 | S 9 | S 10 | S 10 | — | — | — | — | — |
| kJ | — | — | — | 1081 | 1018 | — | — | 1 | 778 | 3030 | 1172 | 1465 | 1476 | 1079 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 20 | 113 | 113 | 0 | 1 | 0 | 393 | 121 | 4 | 194 | 0 | 0 | 160 | 0 | 0 | 20 | 0 |
Best forecast wave conditions in Sydney North Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Narrabeen-South Surf forecast
The above surf forecast table for Narrabeen-South provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Narrabeen-South can be found by selecting the local surf guide option on the grey menu. Our Narrabeen-South 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-South) 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-South 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-South is 3 km (2 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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