Butterbox surfForecast / NSW – Sydney North Coast / Australia

information circle12 Day Weather and Surf, issued 4 pm Wednesday 18 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
24.1° C
(Which is slightly warmer than usual)


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 Saturday (Feb 21) at 2AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.3m and 11s. 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 2.2m 7s and forecast to arrive on Tuesday (Feb 24) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Monday (Feb 23) at 5AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 21st Feb)3ft (0.9m) 5s
Best Surf 2AM (Sat 21st Feb)3ft (0.9m) 5s
Most Powerful 5AM (Tue 24th Feb)7ft (2.2m) 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 32°C on Wed afternoon, min 22°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Sun night. Warm (max 28°C on Mon afternoon, min 21°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the S by Mon afternoon).

Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1
SSE
0.6
SE
0.8
SE
0.9
ENE
0.5
SE
0.7
E
0.7
ENE
0.9
ENE
0.8
ENE
0.5
S
0.4
S
0.5
S
1.3
NE
0.3
S
0.2
S
0.2
S
1.7
S
2
SSE
1
S
0.8
ENE
0.8
ENE
Period(s) (?)4109695556888588867778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3676119654125275043342234681255214392886474
Wind
(km/h)
25
S
15
SSE
10
ENE
25
ENE
15
ESE
10
ENE
20
ENE
10
NNW
15
S
25
SSE
15
SSW
10
NE
10
NW
0
NW
5
WNW
30
S
20
SSE
15
ESE
15
E
5
N
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on
ononcross-
on
oncross-
off
crosscrosscross-
off
cross-
on
cross-
off
glassglasscrosscrossononglasscross-
on
High Tide
/ height (m)
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
2:29PM
1.01
3:04AM
1.41
Low Tide
/ height (m)
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
8:39AM
0.36
8:14PM
0.40
10:04AM
0.36
Wed
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise--6:31--6:33--6:33--6:35--6:35--6:37--6:37
Sunset7:44--7:43--7:42--7:40--7:39--7:38--7:37--
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
rain showers
mod rain
cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
Rain (mm)
------------26--32---
Temp. °C322324242323242326252426272425282222222325
Feels °C (?)312326232323242426242728272628302022222627
  • 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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