Surf Forecasts:
Wonthaggi surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 23 Aug, 7PM (local time) - 6ft (1.9m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 10AM (local time) - 8ft (2.5m), 18s period, WSW swell with 3,771 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 7PM (local time) - 6ft (1.9m), 16s period with SW swell.
Best Forecast Surf Conditions for Wonthaggi this week:
The surf forecast for Wonthaggi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 7PM. The primary swell is predicted to be 1.9m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Wonthaggi in the next 16 days are 2.5m 18s and forecast to arrive on Friday (Aug 28) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Aug 25) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 23rd Aug) | 6ft (1.9m) 16s |
| Best Surf | 7PM (Sun 23rd Aug) | 6ft (1.9m) 16s |
| Most Powerful | 10AM (Fri 28th Aug) | 8ft (2.5m) 18s |
Table - best surf conditions forecast for Wonthaggi over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the table for the Wonthaggi area over the next couple of weeks.
Honestly, things are looking pretty grim to start. We’ve got a decent amount of swell heading our way, but the wind is just blowing it out. The first real chance of a wave that’s worth paddling out for isn’t until Tuesday morning, the 25th. That’s a few days of sitting on the beach watching the wind chop.
For that Tuesday morning session, Wonthaggi is looking at a 5ft swell from the SW with a period of 13 seconds. The wind is light from the ESE, which is a clean cross-offshore breeze. It’s small, but it’ll be the cleanest wave we’ve seen in a while. The combined energy is moderate at 801. The water temp is sitting at 56°, which is about a degree and a half warmer than usual for this time of year, so not a shock but a little bit of a treat.
The standout to keep an eye on is the Sunday morning of the 6th of September. That’s a week and a half away, so it’s a long-range call, but it’s got potential. We’re looking at a 8ft swell from the WSW, with a shorter period of 10 seconds. The big news is the wind: a gentle 9 mph offshore breeze from the ENE. That’s going to clean the place right up. The combined energy is strong at 1567. This is going to be a punchy, powerful wave. At 8ft, this is for experienced surfers only. The crowds will be likely, so get there early. The afternoon session on the same day also looks good, with a 7ft swell and light offshore winds, but the morning is the pick.
Other than that, there are a lot of strong, windy, blown-out days. The forecast is full of strong onshore winds and big, messy swells. For a few days around the 3rd and 4th of September, we’ve got 10ft+ swells, but the wind is just too strong and onshore to make it any good. That’s kite-surfing territory, not paddle surfing.
So, to sum it up: the first clean session is Tuesday the 25th, but it’s small. The real standout is Sunday the 6th of September, with offshore winds and a solid 8ft swell for the experts. It’s a long way off, but it’s the best thing on the board.
Rusty.
Short Range ForecastModerate rain (total 18mm), heaviest on Tue morning. Very mild (max 16°C on Mon morning, min 9°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Thu night. Very mild (max 14°C on Thu afternoon, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | SW 14 | SW 14 | SW 16 | SW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 15 | WSW 14 | SW 13 | SW 13 | SW 12 | WSW 12 | WSW 19 | WSW 18 | WSW 17 | WSW 16 | WSW 14 | WSW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1979 | 1617 | 1394 | 822 | 690 | 585 | 613 | 659 | 1045 | 672 | 1367 | 966 | 248 | 336 | 1255 | 3771 | 2939 | 1957 | 1057 | 2222 | 1697 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross | cross | cross-on | off | cross-off | cross-on | on | on | on | on | cross | cross-on | cross-on | on | on | on | cross-on | on | on |
High Tide | 6:27PM1.93m | 7:54AM1.84m | 7:09PM1.83m | 8:56AM1.79m | 8:04PM1.74m | 10:05AM1.80m | 9:16PM1.68m | 11:10AM1.85m | 10:36PM1.69m | 12:03PM1.93m | 11:48PM1.76m | 12:46PM2.02m | 00:47AM1.88m | ||||||||
Low Tide | 12:42PM1.01m | 1:10AM0.49m | 1:31PM1.11m | 2:00AM0.57m | 2:33PM1.18m | 3:00AM0.62m | 3:52PM1.19m | 4:07AM0.64m | 5:09PM1.12m | 5:13AM0.63m | 6:09PM0.99m | 6:10AM0.59m | 6:56PM0.82m | ||||||||
 |  |  | |  |  |  |  |  | | | | | | | | | | | | | |
 | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — |
 | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — |
mm | — | — | — | — | — | 6 | 10 | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 11 | 14 | 13 | 16 | 16 | 14 | 11 | 12 | 13 | 12 | 12 | 11 | 12 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 12 |
Feels °C | 8 | 12 | 9 | 12 | 13 | 12 | 8 | 10 | 9 | 7 | 7 | 8 | 8 | 11 | 8 | 6 | 6 | 7 | 7 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 16 | SW 14 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 15 | WSW 14 | SW 13 | SW 13 | WSW 10 | WSW 12 | WSW 13 | WSW 18 | WSW 17 | WSW 16 | WSW 14 | — | SW 22 |
| kJ | 1979 | 1617 | 1394 | 822 | 690 | 585 | 613 | 659 | 1045 | 672 | 347 | 966 | 210 | 336 | 690 | 3771 | 2939 | 1957 | 1057 | — | 19 |
Swell 2 Height (m) Direction Period (s) | WSW 18 | — | — | — | SW 20 | WSW 18 | SW 18 | WSW 16 | — | — | — | SW 16 | SW 12 | SW 22 | WSW 19 | WSW 10 | — | — | — | — | SW 22 |
| kJ | 214 | — | — | — | 15 | 32 | 82 | 240 | — | — | — | 41 | 248 | 235 | 1255 | 430 | — | — | — | — | 19 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 20 | — | WSW 18 | — | — | — | — | — | WSW 23 | WSW 15 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 15 | — | 106 | — | — | — | — | — | 53 | 22 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 3 | NW 4 | NW 4 | N 3 | ENE 3 | — | WSW 5 | SW 7 | SW 13 | — | NW 3 | W 5 | WSW 7 | — | WSW 9 | SSW 6 | WSW 6 | WSW 14 | SW 13 |
| kJ | — | — | 3 | 15 | 19 | 2 | 1 | — | 59 | 258 | 1367 | — | 3 | 34 | 124 | — | 264 | 36 | 144 | 2222 | 1697 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 11 | 7 | 7 | 78 | 30 | 102 | 117 | 162 | 11 | 11 | 7 | 103 | 107 | 117 | 102 | 103 | 107 | 102 |
Best forecast wave conditions in East Coast of Victoria | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Wonthaggi Surf forecast
The above surf forecast table for Wonthaggi provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wonthaggi can be found by selecting the local surf guide option on the grey menu. Our Wonthaggi 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 (Wonthaggi) 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 Wonthaggi 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.
Wonthaggi is 58 km (36 miles) from Cranbourne. If you plan a holiday in East Coast of Victoria, look for hotels and other accommodation in Cranbourne. Cranbourne has rooms for a wide range of budgets as well as car hire and transport links.
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