Surf Forecasts:
Butterbox surf forecast from 17 Oct 2026:
- Best quality surf: Sunday 18 Oct, 2AM (local time) - 4.5ft (1.3m), 9s period, SE swell with glassy winds.
- Most powerful swell: Saturday 24 Oct, 5PM (local time) - 10ft (3.0m), 9s period, S swell with 1,204 kJ wave energy.
- Next surfable swell (1★+): Sunday 18 Oct, 2AM (local time) - 4.5ft (1.3m), 9s period with SE swell.
Best Forecast Surf Conditions for Butterbox this week:
The surf forecast for Butterbox over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 18) at 2AM. The primary swell is predicted to be 1.3m and 9s period with a secondary swell of 0.4m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Butterbox in the next 16 days are 3.0m 9s and forecast to arrive on Saturday (Oct 24) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 8s period and expected on Saturday (Oct 24) at 2AM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 18th Oct) | 4.5ft (1.3m) 9s |
| Best Surf | 2AM (Sun 18th Oct) | 4.5ft (1.3m) 9s |
| Most Powerful | 5PM (Sat 24th Oct) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Butterbox over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 15°C on Sun morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 21°C on Fri morning, min 16°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||
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) | SE 9 | SE 9 | SE 9 | ESE 8 | SE 8 | ESE 7 | ENE 6 | ENE 5 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 304 | 281 | 235 | 212 | 78 | 86 | 53 | 51 | 240 | 181 | 220 | 243 | 370 | 361 | 298 | 355 | 222 | 178 | 211 | 403 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | on | cross-on | cross | on | on | cross | cross-on | cross-on | cross | on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | glassy |
High Tide | 2:26AM0.88m | 2:14PM1.23m | 3:42AM0.90m | 3:21PM1.22m | 4:46AM0.96m | 4:24PM1.23m | 5:35AM1.06m | 5:18PM1.26m | 6:15AM1.17m | 6:06PM1.30m | 6:52AM1.30m | 6:52PM1.32m | ||||||||
Low Tide | 8:23PM0.43m | 7:29AM0.62m | 9:30PM0.43m | 8:46AM0.64m | 10:29PM0.40m | 10:04AM0.61m | 11:16PM0.35m | 11:09AM0.55m | 11:56PM0.28m | 12:04PM0.46m | 00:32AM0.22m | 12:52PM0.36m | 1:08AM0.18m | |||||||
 |  | | | | | | | | |  |  | |  |  | |  | | | | |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — |
 | 7:07 | — | — | 7:08 | — | — | 7:09 | — | — | 7:10 | — | — | 7:12 | — | — | 7:12 | — | — | 7:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — |
Temp °C | 19 | 18 | 17 | 18 | 18 | 18 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 19 | 20 | 20 | 19 | 21 | 22 | 20 |
Feels °C | 15 | 16 | 15 | 15 | 15 | 17 | 16 | 16 | 17 | 16 | 15 | 18 | 17 | 18 | 21 | 20 | 18 | 22 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | ENE 11 | SE 8 | ESE 7 | SE 7 | ENE 5 | ENE 8 | SE 8 | ENE 8 | ENE 8 | S 11 | S 11 | S 10 | S 10 | S 9 | E 15 | S 16 | ENE 8 |
| kJ | 304 | 281 | 235 | 22 | 78 | 86 | 33 | 51 | 176 | 2 | 220 | 243 | 2 | 2 | 2 | 2 | 2 | 4 | 5 | 403 |
Swell 2 Height (m) Direction Period (s) | SE 12 | ENE 10 | ENE 11 | SE 12 | E 5 | ENE 9 | ESE 10 | SE 7 | SSE 7 | — | S 15 | — | — | — | — | — | S 16 | S 16 | — | — |
| kJ | 52 | 33 | 37 | 6 | 12 | 29 | 18 | 12 | 4 | — | 4 | — | — | — | — | — | 5 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | ENE 10 | S 12 | S 11 | SE 12 | ENE 10 | ESE 9 | E 11 | ENE 10 | SE 8 | S 16 | — | — | — | — | — | — | — | — | — | — |
| kJ | 33 | 3 | 2 | 6 | 19 | 8 | 10 | 19 | 3 | 5 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 8 | NE 4 | — | ENE 6 | NE 5 | ENE 8 | ENE 8 | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NE 8 |
| kJ | — | — | — | 212 | 9 | — | 53 | 49 | 240 | 181 | — | — | 370 | 361 | 298 | 355 | 222 | 178 | 211 | 582 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 170 | 0 | 127 | 517 | 1 | 57 | 517 | 1 | 17 | 341 | 1 | 123 | 207 | 17 | 0 | 170 | 1 | 10 | 264 | 0 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Butterbox surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Butterbox Surf forecast
The above surf forecast table for Butterbox provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Butterbox can be found by selecting the local surf guide option on the grey menu. Our Butterbox 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 (Butterbox) 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 Butterbox 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.
Butterbox is 2 km (1 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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