Surf Forecasts:
Manly surf forecast from 15 Sep 2026:
- Best quality surf: Thursday 17 Sep, 4AM (local time) - 11ft (3.5m), 11s period, S swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 1PM (local time) - 13ft (4.0m), 10s period, S swell with 2,948 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 4AM (local time) - 11ft (3.5m), 11s period with S swell.
Best Forecast Surf Conditions for Manly this week:
The surf forecast for Manly over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 4AM. The primary swell is predicted to be 3.5m and 11s period with a secondary swell of 0.1m and 13s. Another secondary swell of 0.2m and 13s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Manly in the next 16 days are 4.0m 10s and forecast to arrive on Wednesday (Sep 16) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Monday (Sep 21) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 17th Sep) | 11ft (3.5m) 11s |
| Best Surf | 4AM (Thu 17th Sep) | 11ft (3.5m) 11s |
| Most Powerful | 1PM (Wed 16th Sep) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Manly over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s chew the fat on Manly (point) for the next couple weeks.
Right from the jump, we’ve got some serious juice, but you gotta pick your moments. Wednesday morning sees a big southerly swell hit at 12 feet, with a 10-second period and a massive energy reading of 2471. That's a lot of ocean moving, but with a strong offshore wind from the SSW, the point should scrub up clean. At that size, it’s for the big dogs only. The afternoon stays big with a cross-offshore wind, still clean but a little less friendly.
The real prize lands on Thursday morning. The swell drops a bit to 10 feet from the south, period still at 10 seconds, and the energy jumps to 3160. The wind stays offshore from the SSW, clean and moderate. This is the session. The point will be running hard, with big, lined-up sets and no wind messing it up. If you’re an experienced surfer, this is the one you wait for.
Friday morning is a letdown in size, dropping to 6 feet, but it goes glassy. The waves will be clean and pretty, just missing that punch. Then the onshore hits Friday afternoon and it’s game over for quality.
After that, we enter a long, flat spell. From Saturday the 19th all the way through the end of September, the waves get weak and uninteresting. Swell heights hang around 2 to 4 feet, the energy numbers drop into the low hundreds, and the wind is mostly wrong. It’s a solid week-plus of poor conditions.
There’s a tiny flicker at the end. Monday the 28th and Tuesday the 29th see a bump up to around 5 to 7 feet from the ENE, but the periods are short and the winds are crossed up. Nothing to get excited about.
So, the big standout: Thursday, September 17th, morning at Manly. South swell at 10 feet, clean offshore wind from the SSW, and huge energy. It’s the one.
Stay stoked,
Rusty
Short Range ForecastSome drizzle, heaviest during Tue night. Very mild (max 19°C on Fri morning, min 9°C on Wed night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Fri morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 29°C on Sat afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||
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 10 | S 10 | S 11 | S 10 | S 9 | SSE 9 | S 10 | S 9 | S 9 | S 10 | S 9 | S 10 | S 10 | SSE 19 | S 16 | S 9 | S 8 | SSE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 1569 | 2452 | 2541 | 2930 | 1732 | 758 | 474 | 518 | 397 | 207 | 149 | 106 | 66 | 198 | 123 | 130 | 111 | 127 | 163 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | off | cross-on | cross-off | glassy | on | cross-off | cross-off | off | cross-off | on | on | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:59PM1.09m | 11:16AM1.37m | 11:45PM0.98m | 12:02PM1.31m | 00:41AM0.90m | 12:58PM1.25m | 1:55AM0.85m | 2:06PM1.22m | 3:20AM0.85m | 3:17PM1.23m | 4:28AM0.90m | 4:18PM1.27m | |||||||
Low Tide | 4:46AM0.37m | 5:55PM0.37m | 5:22AM0.45m | 6:55PM0.43m | 6:06AM0.53m | 8:07PM0.47m | 7:07AM0.58m | 9:23PM0.47m | 8:26AM0.60m | 10:27PM0.43m | 9:42AM0.57m | 11:15PM0.36m | |||||||
 |  |  |  | | |  | | | | | | | | | | | |  | |
 | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — |
 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Temp °C | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 19 | 18 | 18 | 28 | 29 | 21 | 23 | 21 | 22 | 23 | 17 | 16 |
Feels °C | 6 | 4 | 5 | 6 | 10 | 11 | 11 | 15 | 14 | 16 | 24 | 26 | 17 | 20 | 18 | 20 | 18 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | NE 7 | ENE 12 | ENE 13 | NE 13 | S 10 | S 9 | SSE 9 | S 10 | S 9 | S 9 | S 10 | S 9 | S 10 | S 10 | S 8 | S 10 | S 9 | S 11 | SSE 8 |
| kJ | 7 | 15 | 16 | 7 | 1418 | 758 | 474 | 518 | 397 | 207 | 149 | 106 | 66 | 198 | 63 | 50 | 111 | 118 | 163 |
Swell 2 Height (m) Direction Period (s) | ENE 14 | E 15 | — | — | E 13 | E 13 | E 13 | S 18 | S 17 | S 15 | S 15 | S 15 | S 17 | S 16 | SSE 19 | S 7 | NE 4 | NE 5 | S 11 |
| kJ | 18 | 4 | — | — | 3 | 3 | 3 | 58 | 148 | 115 | 40 | 18 | 24 | 20 | 123 | 23 | 3 | 4 | 112 |
Swell 3 Height (m) Direction Period (s) | S 17 | — | — | — | S 19 | S 19 | S 19 | E 12 | E 12 | SE 8 | S 18 | ESE 7 | — | E 11 | S 13 | S 16 | E 10 | NE 5 | NE 5 |
| kJ | 5 | — | — | — | 7 | 7 | 7 | 3 | 3 | 23 | 57 | 5 | — | 2 | 28 | 130 | 2 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | S 9 | S 10 | S 10 | S 11 | S 10 | — | — | — | NE 2 | — | WSW 3 | — | — | — | ENE 3 | — | SSW 3 | S 8 | — |
| kJ | 1569 | 2452 | 2541 | 2930 | 1732 | — | — | — | 1 | — | 4 | — | — | — | 7 | — | 3 | 127 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 105 | 843 | 725 | 105 | 0 | 28 | 0 | 0 | 28 | 0 | 0 | 0 | 12 | 4 | 28 | 0 | 8 | 63 | 12 |
Best forecast wave conditions in Sydney North Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Manly Surf forecast
The above surf forecast table for Manly provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Manly can be found by selecting the local surf guide option on the grey menu. Our Manly 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) 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 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 is 6 km (4 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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