Surf Forecasts:
Wonthaggi surf forecast from 26 Aug 2026:
- Best quality surf: Sunday 30 Aug, 10PM (local time) - 6ft (1.8m), 13s period, SW swell with glassy winds.
- Most powerful swell: Friday 28 Aug, 4PM (local time) - 7.5ft (2.3m), 17s period, WSW swell with 2,987 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 1AM (local time) - 5ft (1.5m), 13s period with WSW 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 Thursday (Aug 27) at 1AM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 0.8m and 6s. Another secondary swell of 0.9m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Wonthaggi in the next 16 days are 2.3m 17s and forecast to arrive on Friday (Aug 28) at 4PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Thu 27th Aug) | 5ft (1.5m) 13s |
| Best Surf | 10PM (Sun 30th Aug) | 6ft (1.8m) 13s |
| Most Powerful | 4PM (Fri 28th Aug) | 7.5ft (2.3m) 17s |
Table - best surf conditions forecast for Wonthaggi over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a proper look at what's coming our way for Wonthaggi.
Right off the bat, it's a pretty grim start. There's a real lack of any decent surf action for the first few days. We're looking at a solid gap right through until Monday the 31st of August before anything even gets close to being worth a paddle. The early stuff comes with onshore wind and messy conditions, just poor surf all round. Don't even bother looking at it until we get to that Monday.
Now, Monday the 31st of August is where this whole outlook turns a corner. Monday morning is okay, but the real magic happens Monday afternoon. The wind is set to go glassy – that's dead calm, offshore from the southwest – and we've got a clean 6 ft swell rolling in from the southwest with a proper 15-second period. That's a quality groundswell. The water is sitting at 57°, which is a touch warmer than normal for this time of year, so it won't be a total ice bath. For a spot that's often inconsistent, this is a proper standout window. It won't be huge, but it'll be clean and perfectly formed. Get on it.
After that brief moment of glory, it falls apart again. Tuesday the 1st of September gets smashed by strong northerly winds, and the rest of the first week looks pretty ordinary with onshore winds and average conditions.
Then, we've got a big pulse of swell arriving around Friday the 4th of September. We're talking a solid 10 ft swell from the southwest with a very long 17-18 second period. The combined energy is massive, hitting over 6000 at one point. The wind is light and offshore, which is the good news. The bad news is that 10 ft is serious, expert-level stuff, and with that long period it's going to be powerful and straight at a beach break. If you're not an experienced surfer, stay well clear. It's worth a look for the crew who can handle it, but don't expect it to be user-friendly.
The second week looks much more marginal overall. There's still size hanging around but the windows of good wind are few and far between. It's a frustrating run for the most part.
So to wrap it up, your absolute best bet is that glassy Monday afternoon on the 31st of August. It's the clear standout. The big swell on the 4th is for experts only. The rest is a write-off until we see if the forecasts change.
Stay salty,
Rusty
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 12°C on Wed morning, min 9°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Mon afternoon, min 10°C on Sun night). Winds increasing (calm on Mon afternoon, fresh winds from the NNW by Mon night). | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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) | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 10 | WSW 13 | WSW 13 | WSW 17 | WSW 16 | SW 14 | WSW 14 | WSW 13 | SW 13 | SW 12 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 15 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1028 | 745 | 711 | 421 | 152 | 528 | 1266 | 2987 | 1904 | 1340 | 874 | 572 | 946 | 888 | 1273 | 1147 | 1212 | 1492 | 1074 | 849 | 896 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | cross | cross-on | cross | cross-on | on | on | on | on | on | on | on | glassy | cross | glassy | cross-off | cross | cross-on | cross-off |
High Tide | 10:05AM1.80m | 9:16PM1.68m | 11:10AM1.85m | 10:36PM1.69m | 12:03PM1.93m | 11:48PM1.76m | 12:46PM2.02m | 00:47AM1.88m | 1:24PM2.10m | 1:37AM2.01m | 1:58PM2.17m | 2:22AM2.14m | 2:31PM2.22m | 3:05AM2.25m | |||||||
Low Tide | 3:52PM1.19m | 4:07AM0.64m | 5:09PM1.12m | 5:13AM0.63m | 6:09PM0.99m | 6:10AM0.59m | 6:56PM0.82m | 7:00AM0.56m | 7:36PM0.64m | 7:44AM0.53m | 8:12PM0.46m | 8:26AM0.52m | 8:48PM0.30m | ||||||||
 | |  | | | |  |  | |  | |  | | |  | | | | | | | |
 | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — |
 | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 11 | 11 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 14 | 17 | 16 | 19 | 20 | 16 |
Feels °C | 8 | 8 | 9 | 8 | 10 | 10 | 9 | 10 | 8 | 8 | 7 | 9 | 10 | 9 | 10 | 12 | 16 | 13 | 12 | 15 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 10 | WSW 13 | WSW 13 | WSW 17 | WSW 16 | SW 14 | WSW 14 | WSW 13 | SW 13 | SW 12 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 15 | SW 14 |
| kJ | 1028 | 745 | 711 | 421 | 152 | 528 | 1266 | 2987 | 1904 | 1340 | 874 | 572 | 946 | 888 | 1273 | 1147 | 1212 | 1492 | 1074 | 849 | 614 |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 6 | S 5 | SW 12 | WSW 19 | WSW 18 | — | — | — | W 24 | WSW 22 | SW 20 | SW 20 | — | — | SW 20 | — | — | — | — |
| kJ | — | — | 43 | 12 | 151 | 480 | 1044 | — | — | — | 11 | 45 | 98 | 97 | — | — | 100 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 16 | WSW 15 | SW 22 | ESE 11 | ESE 10 | — | — | — | — | — | SW 20 | WSW 20 | — | — | S 4 | — | — | — | — |
| kJ | — | — | 25 | 21 | 118 | 12 | 10 | — | — | — | — | — | 99 | 75 | — | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 5 | SSW 6 | — | W 4 | WSW 6 | — | — | — | SW 5 | SW 5 | SW 6 | — | — | — | — | — | NW 3 | NW 4 | NW 5 | W 10 |
| kJ | 47 | 40 | 47 | — | 7 | 65 | — | — | — | 32 | 50 | 99 | — | — | — | — | — | 5 | 52 | 41 | 896 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 35 | 35 | 7 | 7 | 11 | 7 | 11 | 30 | 41 | 30 | 338 | 41 | 11 | 16 | 7 | 7 | 7 | 11 | 432 | 23 | 7 |
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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