Butterbox surfForecast / NSW – Sydney North Coast / Australia

information circle12 Day Weather and Surf, issued 4 pm Sunday 21 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Butterbox surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Butterbox sea temperature is
22.7° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Butterbox this week:

The surf forecast for Butterbox over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 23) at 5AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.9m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Butterbox in the next 12 days are 3.0m 10s and forecast to arrive on Thursday (Dec 25) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Monday (Dec 22) at 2AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 23rd Dec)3.5ft (1.0m) 8s
Best Surf 2AM (Sat 27th Dec)6.5ft (2.0m) 10s
Most Powerful11PM (Thu 25th Dec)10ft (3.0m) 10s

Table - best surf conditions forecast for Butterbox over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Mon morning. Warm (max 29°C on Sun afternoon, min 19°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Wed afternoon, min 16°C on Fri night). Mainly strong winds.

Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
1
1
0
0
0
0
0
0
1
1
2
1
3
1
0
2
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
S
0.4
S
0.4
S
1
ESE
1.2
S
0.9
S
0.9
S
1.7
SSE
1.3
S
0.8
S
0.9
S
2
S
2.5
S
2.5
S
2.2
S
2.2
S
2
S
1.7
S
1.6
SSE
1.1
SE
1.3
SSE
Period(s) (?)10994988887108910111110109109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)30262534214999935523567153488996147610861128867561409240244
Wind
(km/h)
20
SE
10
N
10
SSE
25
ESE
10
SE
0
SSE
25
SSE
10
SE
15
NE
25
NE
40
S
15
SSE
30
SSE
25
SSE
15
SSE
20
SSE
5
SSE
10
SE
15
E
0
NNE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
on
cross-
on
cross-
on
glasscross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
crosscrosscrosscross-
on
glasscross-
on
onglasson
High Tide
/ height (m)
10:25PM
1.02
10:17AM
1.57
11:05PM
1.02
10:54AM
1.55
11:47PM
1.03
11:33AM
1.51
12:32AM
1.06
12:14PM
1.45
1:22AM
1.10
12:59PM
1.37
2:15AM
1.16
1:53PM
1.28
3:10AM
1.24
Low Tide
/ height (m)
4:32PM
0.18
3:43AM
0.40
5:10PM
0.18
4:23AM
0.42
5:47PM
0.18
5:05AM
0.44
6:26PM
0.18
5:52AM
0.48
7:05PM
0.18
6:48AM
0.51
7:48PM
0.19
7:53AM
0.53
8:34PM
0.21
9:08AM
0.52
Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunrise--5:39--5:41--5:41--5:41--5:41--5:43--5:43
Sunset8:04--8:04--8:05--8:05--8:06--8:06--8:06--
cloud
cloud
rain showers
rain showers
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
Rain (mm)
--11-----------------
Temp. °C292827252125262023242219181818191819191919
Feels °C (?)292728261926241722212117131214151517161818
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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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