
Surf Forecasts:
Manly-South Steyne surf forecast from 15 Jul 2026:
- Best quality surf: Friday 17 Jul, 1PM (local time) - 3.5ft (1.1m), 6s period, SE swell with cross-offshore winds.
- Most powerful swell: Wednesday 15 Jul, 4PM (local time) - 7ft (2.1m), 9s period, S swell with 691 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 1PM (local time) - 3.5ft (1.1m), 6s period with SE swell.
Best Forecast Surf Conditions for Manly-South Steyne this week:
The surf forecast for Manly-South Steyne over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 17) at 1PM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.3m and 8s. Another secondary swell of 0.3m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Manly-South Steyne in the next 16 days are 2.1m 9s and forecast to arrive on Wednesday (Jul 15) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Sunday (Jul 19) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Fri 17th Jul) | 3.5ft (1.1m) 6s |
| Best Surf | 1PM (Fri 17th Jul) | 3.5ft (1.1m) 6s |
| Most Powerful | 4PM (Wed 15th Jul) | 7ft (2.1m) 9s |
Table - best surf conditions forecast for Manly-South Steyne over the next 16 days.
The Lowdown
G’day, Rusty here. Look, I’ll be straight with you – this 16-day window is a tough one for Manly-South Steyne. The first week and a half is basically a write-off, and the real action doesn’t show up until late in the piece. Hang tight.
We start off with a couple of days of solid but messy swell. Wednesday morning the 15th has a 8ft S swell, but it’s getting hammered by a fresh 19 mph cross-offshore wind. The water’s sitting at 64°, which is about average for this time of year, nothing unusual. The wave energy is strong (968), but the conditions are just poor. That trend continues through Thursday and Friday the 16th and 17th – the swell drops a bit but the wind stays messy, and you’ve got rain showers to deal with. Saturday the 18th drops right off, with a tiny 3ft E swell and weak energy (142). Sunday the 19th is even smaller, with a long-period 17-second S swell that’s only 1ft – not enough to do anything with.
Then we hit a real dead zone. From Monday the 20th of July right through to Saturday the 26th, it’s tiny. Swell heights barely scrape 2ft, and the energy is weak – mostly under 100. The wind is light and variable, sometimes cross-off, but there just isn’t any power in the water. The best you can say is Monday morning the 20th has a 2ft S swell with a 12-second period and light cross-off wind, making it surfable but very ordinary. Still, not really worth the paddle.
Now, the standout window finally arrives on Saturday the 26th of July. Sunday morning the 26th is the best of the lot. You’ve got a 7ft S swell pushing in, with a moderate 10-second period and a beautiful light cross-off breeze. The combined energy is strong (894), and the conditions are clean. This is when it’s on. It’s a reef break, so it can handle that S swell nicely, and the offshore wind will keep it glassy. It’s a serious wave at 7ft – definitely one for the experienced crew, beginners should sit this one out. Crowds are possible here, so get in early.
Monday the 27th is also promising. The morning brings a 6ft S swell, 12-second period, and a clean offshore wind from the WSW. The energy is still strong (905). The water temp is still around average, but the quality is there. Tuesday the 28th holds up with a 6ft S swell and cross-off winds, though the breeze picks up a bit to moderate. After that, the swell fades again through the 29th and 30th, dropping back to smaller, less exciting stuff.
So, to sum it up: the first nine days are a bust. The real action is on Sunday the 26th and Monday the 27th of July. If you’re keen, those are the days to point the car towards Manly. Everything else is a gamble you’ll probably lose.
Rusty.
Short Range ForecastModerate rain (total 16mm), heaviest on Thu night. Very mild (max 17°C on Fri night, min 12°C on Wed night). Winds decreasing (fresh winds from the S on Thu morning, light winds from the SSE by Fri afternoon). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat morning. Very mild (max 17°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
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) | S 9 | S 9 | S 8 | S 8 | S 7 | S 7 | S 6 | E 7 | S 10 | E 7 | S 10 | SSE 19 | SSE 17 | S 16 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 |
Wave Graph | |||||||||||||||||||||
963 | 691 | 329 | 441 | 578 | 135 | 75 | 69 | 125 | 88 | 45 | 70 | 59 | 132 | 82 | 102 | 100 | 58 | 55 | 31 | 30 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross | cross-off | cross | cross | cross-on | cross-on | glassy | cross-off | cross-on | cross-off | cross | on | off |
High Tide | 8:55PM1.81m | 9:46AM1.18m | 9:43PM1.74m | 10:35AM1.20m | 10:31PM1.63m | 11:23AM1.23m | 11:18PM1.47m | 12:11PM1.24m | 00:05AM1.31m | 1:01PM1.26m | 00:56AM1.14m | 1:52PM1.27m | 1:53AM1.01m | ||||||||
Low Tide | 2:24PM0.23m | 3:44AM-0.07m | 3:17PM0.24m | 4:29AM-0.03m | 4:10PM0.28m | 5:12AM0.04m | 5:04PM0.33m | 5:53AM0.13m | 6:02PM0.40m | 6:33AM0.22m | 7:05PM0.46m | 7:13AM0.31m | 8:14PM0.50m | ||||||||
6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | |
— | 5:02 | — | — | 5:04 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:06 | — | — | 5:07 | — | |
mm | — | — | — | — | 3 | 9 | 2 | 2 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 16 | 17 | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 17 | 17 | 17 |
Feels °C | 7 | 10 | 10 | 9 | 12 | 13 | 14 | 14 | 15 | 12 | 14 | 12 | 14 | 14 | 14 | 13 | 12 | 13 | 15 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | S 17 | — | S 15 | S 18 | S 19 | S 7 | S 6 | E 7 | E 7 | E 7 | E 8 | ENE 9 | ENE 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
5 | — | 5 | 25 | 27 | 135 | 75 | 69 | 82 | 88 | 118 | 340 | 707 | 749 | 634 | 482 | 482 | 424 | 370 | 307 | 320 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 14 | S 14 | S 19 | E 8 | S 8 | S 21 | S 10 | S 10 | S 8 | SSE 17 | S 16 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 |
— | — | — | 4 | 14 | 28 | 10 | 19 | 8 | 46 | 45 | 22 | 59 | 132 | 82 | 102 | 100 | 58 | 55 | 31 | 30 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 8 | S 15 | S 11 | — | S 21 | S 20 | SSE 19 | S 8 | S 7 | SE 16 | SSE 15 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 |
— | — | — | — | — | 5 | 5 | 21 | — | 8 | 31 | 70 | 10 | 10 | 10 | 22 | 9 | 8 | 8 | 7 | 7 | |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | S 8 | S 8 | S 7 | ESE 5 | ESE 6 | S 6 | S 10 | S 4 | SSE 4 | S 4 | — | — | — | — | — | NW 2 | N 4 | — | — |
963 | 691 | 329 | 441 | 578 | 23 | 31 | 50 | 125 | 17 | 13 | 9 | — | — | — | — | — | 1 | 9 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 72 | 12 | 12 | 152 | 185 | 12 | 0 | 12 | 0 | 32 | 60 | 12 | 4 | 4 | 0 | 0 | 18 | 1 | 1 | 18 | 0 |
Best forecast wave conditions in Sydney North Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Manly-South Steyne Surf forecast
The above surf forecast table for Manly-South Steyne provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Manly-South Steyne can be found by selecting the local surf guide option on the grey menu. Our Manly-South Steyne 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 (Manly-South Steyne) 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 Manly-South Steyne 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.
Manly-South Steyne 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.










