Narrabeen-South Surf Break

Lat Long: 33.72° S 151.31° E

Narrabeen-South Surf Forecast and Surf Report

Issued: 3 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Narrabeen-South sea temperature is
17.7° C
0.2° 

Narrabeen-South surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Narrabeen-South surf forecast from 18 Jul 2026:

  • Best quality surf: Friday 24 Jul, 4AM (local time) - 10ft (3.0m), 11s period, S swell with offshore winds.
  • Most powerful swell: Friday 24 Jul, 7AM (local time) - 10ft (3.0m), 11s period, S swell with 1,985 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 10PM (local time) - 6.5ft (2.0m), 11s period with ENE 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 Sunday (Jul 19) at 10PM. The primary swell is predicted to be 2.0m and 11s period with a secondary swell of 0.7m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Narrabeen-South in the next 16 days are 3.0m 11s and forecast to arrive on Friday (Jul 24) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Jul 23) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 19th Jul)6.5ft (2.0m) 11s
Best Surf 4AM (Fri 24th Jul)10ft (3.0m) 11s
Most Powerful 7AM (Fri 24th Jul)10ft (3.0m) 11s

Table - best surf conditions forecast for Narrabeen-South over the next 16 days.


The Lowdown

G’day, I’m Rusty. Let’s have a look at what’s lined up for Narrabeen-South over the next couple of weeks. The outlook starts off a bit average, but there are a few sessions that’ll have you keen.

The water’s sticking right around 64°, which is pretty much normal for this time of year. Nothing out of the ordinary.

We kick off Saturday the 18th – nothing doing. Small 4ft E swell with a short 7-second period and a cross wind, only 193 (weak energy). Not worth paddling out.

Sunday the 19th looks a bit better in the morning. Swell jumps to 7ft from the ENE with an 11-second period – that’s a nice groundswell, with 1309 (moderate to strong energy). But the wind is cross from the SE, so it’s a bit lumpy. Still, there’ll be some waves around, just a bit messy. The afternoon drops to 7ft and goes a bit smaller with a light cross breeze.

Now, Monday the 20th – that’s the standout for the week. Early morning, we’ve got a clean 6ft ENE swell, 11-second period, 976 (moderate energy), and a light cross-offshore W wind. The waves will be clean and lined up. You want to be out there first light. By the afternoon the wind swings onshore from the NE and it gets ordinary.

Tuesday the 21st is back to average – 5ft in the morning, cross-on breeze, dropping off.

Wednesday the 22nd has a small clean 4ft ENE swell with a light cross-offshore W wind in the morning. It’s small but tidy – 235 (weak energy). Better for a longboard or a fish.

Thursday the 23rd brings a new S swell. The morning has a 5ft S groundswell but a short 6-second period, with a strong offshore WSW wind at 15 mph. Clean but weak and short lines. The afternoon jumps to 8ft S swell, 9-second period, massive 2237 (strong to very strong energy), but it’s cross-offshore and the size will be pushing it for anyone but the experienced crew. Could be a handful.

Friday the 24th is another solid standout. Morning has 7ft S swell at 10 seconds, 946 (moderate energy), and a clean cross-offshore WSW wind. The afternoon gets even better: 6ft S swell, 11-second period, 834 (moderate energy), and glassy conditions with a light E breeze. That afternoon session is going to be magic – clean, lined up, and good waves.

From Saturday the 25th onwards, the swell slowly fades. Saturday morning still has 4ft S swell with clean cross-offshore wind – 415 (weak to moderate energy). Worth a look. By Sunday the 26th it’s dropping to 3ft, poor conditions.

There’s a long quiet spell from the 26th through to the 30th. Not much happening – small, weak, and mostly poor. The 30th has a weird 1ft S swell with an 18-second period – that’s a very long period groundswell, 181 (weak energy). At Narrabeen (a beach break), that long period will make waves stand up and close out fast. Not ideal. The afternoon picks up to 2ft S with a 17-second period, 598 (moderate energy), but still clean wind. Honestly, better for the reef or a point than a beach.

The 31st through to the 2nd of August is a write-off – small, onshore winds, rain, and poor conditions. The 2nd afternoon might offer a tiny clean 4ft E swell with a light offshore WSW wind – 198 (weak energy). Just a small clean wave for a grovel session.

Best bet: Monday the 20th morning or Friday the 24th afternoon. Those are the two you don’t want to miss.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu night. Very mild (max 19°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light.

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
3
2
4
3
1
2
2
0
1
2
0
0
2
2
3
3
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
7
1.4
E
8
2.2
ENE
11
2
ENE
10
2
ENE
11
1.9
ENE
11
1.8
ENE
11
1.6
ENE
10
1.5
ENE
10
1.3
ENE
10
1.5
ENE
10
1.1
ENE
9
1
ENE
9
0.9
ENE
9
1.4
S
6
2.5
S
9
2
S
8
2.2
S
10
1.9
S
11
1.5
S
9
Wave Graph
Metric surfscale
Energy kJ
117
271
1086
803
867
783
705
510
425
307
394
207
158
116
144
1178
442
932
813
392
Wind (km/h)
15
SE
15
SE
15
SE
10
SE
5
W
5
WNW
15
NE
10
NNW
10
N
20
NE
10
NNW
10
W
10
NE
15
W
20
WSW
25
S
20
SW
15
WSW
5
E
10
W
Wind State
cross
cross
cross
cross
glassy
cross-off
on
cross
cross-on
on
cross-on
cross-off
on
cross-off
off
cross-off
off
cross-off
glassy
cross-off
High Tide
11:17PM1.49m
12:10PM1.25m
00:04AM1.32m
1:00PM1.27m
00:55AM1.15m
1:52PM1.28m
1:52AM1.02m
2:46PM1.29m
2:58AM0.92m
3:41PM1.31m
4:10AM0.88m
4:35PM1.34m
Low Tide
5:03PM0.34m
5:53AM0.13m
6:01PM0.41m
6:32AM0.23m
7:04PM0.47m
7:12AM0.32m
8:14PM0.51m
7:55AM0.40m
9:28PM0.51m
8:44AM0.46m
10:38PM0.48m
9:38AM0.49m
11:37PM0.43m
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
6:54
6:54
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:05
5:06
5:06
5:07
5:07
5:07
5:08
 mm
1
Temp °C
17
17
17
15
15
15
14
14
16
16
15
18
19
16
16
14
12
13
13
12
Feels °C
13
13
14
13
15
14
12
12
13
13
13
15
15
13
10
8
7
10
10
8
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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