Butterbox surfForecast / NSW – Sydney North Coast / Australia

information circle12 Day Weather and Surf, issued 10 am Tuesday 17 Feb 2026 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
23.8° 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 Wednesday (Feb 18) at 5AM. The primary swell is predicted to be 1.2m and 6s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Butterbox in the next 12 days are 2.0m 7s and forecast to arrive on Tuesday (Feb 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 2.1m 8s period and expected on Monday (Feb 23) at 5AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 18th Feb)4ft (1.2m) 6s
Best Surf 5AM (Wed 18th Feb)4ft (1.2m) 6s
Most Powerful 5PM (Tue 24th Feb)6.5ft (2.0m) 7s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 33°C on Wed afternoon, min 19°C on Tue morning). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Sat morning, min 22°C on Fri morning). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
1.2
ENE
1.3
ENE
0.5
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.5
SE
0.8
E
0.8
E
0.9
ENE
0.4
SSW
0.8
ENE
0.4
S
0.4
S
0.3
S
0.3
S
0.2
S
0.2
S
0.2
S
Period(s) (?)7661091099955596981715131110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5511012851517668653737365029412323513914108
Wind
(km/h)
10
NE
25
NE
15
N
15
W
30
SSE
15
SSE
10
ENE
25
ENE
15
ESE
10
E
10
ENE
10
NNW
5
SSE
20
SE
10
S
5
NNE
30
NE
20
NNE
5
NNE
35
S
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crossoffcrosscross-
on
cross-
on
oncross-
on
ononcross-
off
glasscross-
on
crosscross-
on
cross-
on
cross-
on
glasscrosscross-
on
High Tide
/ height (m)
8:58AM
1.61
9:36PM
1.22
9:35AM
1.62
10:12PM
1.29
10:13AM
1.58
10:49PM
1.35
10:52AM
1.51
11:28PM
1.39
11:35AM
1.40
12:11AM
1.42
12:22PM
1.27
12:59AM
1.42
1:18PM
1.13
1:56AM
1.42
Low Tide
/ height (m)
3:36PM
0.09
3:16AM
0.26
4:08PM
0.06
3:58AM
0.24
4:40PM
0.06
4:42AM
0.23
5:14PM
0.09
5:30AM
0.25
5:51PM
0.15
6:23AM
0.29
6:31PM
0.23
7:25AM
0.33
7:17PM
0.32
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise6:31--6:31--6:31--6:33--6:33--6:35--6:35--
Sunset-7:45--7:44--7:43--7:42--7:40--7:39--7:38-
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
Rain (mm)
--------------------5
Temp. °C222422313323232423222424282623262726272821
Feels °C (?)222119303424252423222625302626292726282720
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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