Surf Forecasts:
Old Woman Island - North Side surf forecast from 18 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 10PM (local time) - 4.5ft (1.3m), 10s period, SE swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 6ft (1.9m), 8s period, ESE swell with 408 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 7PM (local time) - 3.5ft (1.1m), 11s period with SE swell.
Best Forecast Surf Conditions for Old Woman Island - North Side this week:
The surf forecast for Old Woman Island - North Side over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 7PM. The primary swell is predicted to be 1.1m and 11s period with a secondary swell of 1.1m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Old Woman Island - North Side in the next 16 days are 1.9m 8s and forecast to arrive on Tuesday (Aug 18) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Wed 19th Aug) | 3.5ft (1.1m) 11s |
| Best Surf | 10PM (Wed 19th Aug) | 4.5ft (1.3m) 10s |
| Most Powerful | 10PM (Tue 18th Aug) | 6ft (1.9m) 8s |
Table - best surf conditions forecast for Old Woman Island - North Side over the next 16 days.
The Lowdown
Alright my friends, Rusty here again. Let’s break down what’s happening at Old Woman Island – North Side. It’s a rough start, I’ll tell you that. We’ve got a long stretch of surf coming, but most of it is going to be a fight with the wind.
The first few days are a mess. Tuesday the 18th of August brings a 7ft swell from the ESE, but it’s getting hammered by a 25 km/h cross-shore wind. The wave energy is moderate at 417, but the quality is just plain poor. Wednesday the 19th is the same story.
Thursday the 20th shows a little improvement. The morning is marginal with a 3ft SE swell, but by the afternoon we get a 5ft E swell with a 8-second period and a lighter 15 km/h cross-shore wind. The energy is 294, but it’s still just a "marginal" call.
Our one true standout is Saturday the 22nd of August. The morning session is the best of the whole forecast. The swell is a clean 3ft from the E, but the wind is completely glassy – just 5 km/h from the SE. That’s the kind of morning you wait for. The wave energy is low at 111, but with glassy conditions, those small waves will be super clean and fun for a skilled surfer. Crowds are often here, so expect some company.
The rest of the window is downhill. Sunday the 23rd morning has a 4ft swell with a light cross-offshore breeze, giving clean waves. Monday the 24th morning is another glassy morning with a tiny 3ft ENE swell, but that’s a real weak wave. From Tuesday the 25th through the rest of the month, it’s onshore winds and tiny swells. We get a few clean mornings on the 28th and 29th of August, but the swell drops to 2ft and 1ft – not worth the effort.
Into the first week of September, it’s the same pattern: small, weak swells and cross-shore winds. The energy values are all in the low double digits, like 54 and 77, which is very weak. The water is at 67°F, which is a bit cooler than normal for this time of year.
Honestly, for the entire 16-day window, the setup is poor for paddle surfing. The consistent cross-shore winds and short-period, weak swells make this spot look more interesting for kite surfing. If you’re a surfer, your only real chance is that Saturday morning glass-off. The rest of it is a long, quiet stretch.
Rusty.
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue night. Very mild (max 19°C on Wed morning, min 15°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Sun morning, min 15°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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) | ESE 7 | ESE 8 | E 7 | E 7 | SE 10 | SE 9 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 417 | 345 | 315 | 277 | 192 | 132 | 294 | 217 | 155 | 127 | 103 | 106 | 89 | 131 | 159 | 151 | 121 | 89 | 82 | 110 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-off | cross | cross | glassy | cross-on | cross-on | glassy | glassy | cross-on | glassy | cross-off | on | glassy | glassy | on | cross |
High Tide | 11:44PM1.26m | 1:05PM1.36m | 00:24AM1.12m | 2:22PM1.35m | 1:26AM1.00m | 3:36PM1.38m | 3:07AM0.95m | 4:36PM1.46m | 4:27AM0.97m | 5:23PM1.55m | 5:23AM1.05m | 6:01PM1.64m | ||||||||
Low Tide | 6:04PM0.64m | 6:12AM0.41m | 7:15PM0.75m | 6:59AM0.45m | 8:54PM0.80m | 8:02AM0.48m | 10:23PM0.76m | 9:15AM0.48m | 11:23PM0.67m | 10:18AM0.45m | 00:04AM0.57m | 11:10AM0.39m | 00:38AM0.48m | |||||||
 |  | |  |  |  | |  | | | |  | |  | | | | | | | |
 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 5:28 | — | — | 5:28 | — | — | 5:29 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — |
mm | 6 | 13 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 19 | 18 | 17 | 19 | 19 | 17 | 19 | 18 | 17 | 19 | 19 | 17 | 20 | 19 | 18 | 20 | 20 | 18 |
Feels °C | 14 | 14 | 15 | 14 | 16 | 15 | 16 | 16 | 17 | 16 | 17 | 18 | 18 | 18 | 20 | 19 | 20 | 21 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | — | ESE 13 | ESE 11 | ENE 7 | SE 10 | ENE 7 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | ENE 8 |
| kJ | — | 35 | 74 | 108 | 192 | 82 | 294 | 217 | 155 | 127 | 103 | 106 | 89 | 131 | 159 | 151 | 121 | 89 | 82 | 110 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | ENE 7 | SE 9 | — | SE 10 | SE 8 | SSE 8 | E 14 | SE 8 | ENE 9 | SE 7 | SE 7 | SE 6 | NE 9 | E 11 | NE 7 | S 10 |
| kJ | — | — | — | — | 84 | 132 | — | 4 | 67 | 23 | 4 | 2 | 29 | 2 | 2 | 2 | 3 | 3 | 21 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 13 | NE 9 | — | — | SE 9 | SE 8 | E 14 | E 13 | SE 8 | ESE 10 | SE 8 | — | S 6 | E 11 | SE 10 | — |
| kJ | — | — | — | — | 4 | 3 | — | — | 20 | 18 | 4 | 3 | 2 | 9 | 3 | — | 1 | 3 | 4 | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 8 | E 7 | E 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 3 |
| kJ | 417 | 345 | 315 | 277 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 176 | 166 | 28 | 28 | 0 | 27 | 6 | 0 | 6 | 27 | 0 | 0 | 28 | 0 | 0 | 28 | 0 | 0 | 0 | 1 |
Best forecast wave conditions in Sunshine Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Old Woman Island - North Side Surf forecast
The above surf forecast table for Old Woman Island - North Side provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Old Woman Island - North Side can be found by selecting the local surf guide option on the grey menu. Our Old Woman Island - North Side 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 (Old Woman Island - North Side) 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 Old Woman Island - North Side 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.
Are you planning a holiday in Sunshine Coast? If you are looking for accommodation near Old Woman Island - North Side, camping, hotels and holiday cottages in Sunshine Coast, consider staying in Mooloolaba which is 6 km (4 miles) away. Other places in and around Sunshine Coast where you can find information about places to rent, and car hire include Sunshine Coast which is 9 km (6 miles) away, Buderim, Caloundra and Caboolture.
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