Knights surf break

Knights surfForecast / SA – East Coast / Australia

information circle12 Day Weather and Surf, issued 3 am Saturday 29 Nov 2025 ACDT
Forecast update in hr  min  s Forecast update imminent
Knights surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Knights sea temperature is
17.0° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Knights this week:

The surf forecast for Knights over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 02) at 10PM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.8m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Knights in the next 12 days are 4.0m 10s and forecast to arrive on Monday (Dec 01) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Wednesday (Dec 03) at 1PM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 2nd Dec)4.5ft (1.4m) 13s
Best Surf10PM (Tue 2nd Dec)4.5ft (1.4m) 13s
Most Powerful10AM (Mon 1st Dec)13ft (4.0m) 10s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Sun night. Very mild (max 17°C on Sun afternoon, min 12°C on Sat night). Winds decreasing (fresh winds from the SW on Sun night, light winds from the WSW by Mon night).

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
0
0
0
0
0
0
0
1
2
2
3
1
0
2
1
1
2
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
2.2
SSW
2.2
SSW
2
SSW
2
SSW
2.2
SW
3
SW
4
SSW
3.5
SSW
2.5
SSW
2.1
SSW
1.7
SSW
1.4
SW
1
SW
0.9
SW
1.2
SW
1.3
SSW
1.4
SSW
1.6
SSW
1.9
SSW
2
SSW
1.9
SSW
Period(s) (?)13131312139101111111113131212111313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)157217521336113816841379281525091565954604604321209407426659862113412211062
Wind
(km/h)
20
SW
20
SW
20
W
25
WSW
30
WSW
30
WSW
35
SW
30
SW
15
SW
10
SW
15
SSW
10
N
15
NW
20
WNW
10
NNW
15
SW
20
S
10
SSE
10
SSE
20
S
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononononcross-
off
cross-
off
crosscross-
off
cross-
on
oncross-
on
cross-
on
onon
High Tide
/ height (m)
12:29AM
0.66
6:47AM 10:57AM
0.67 0.65
12:13AM
0.81
7:17AM 11:53AM
0.57 0.63
12:25AM
0.96
12:28PM
0.59
12:46AM
1.11
12:54PM
0.54
1:12AM
1.23
1:10PM
0.49
1:40AM
1.31
1:17PM
0.45
2:09AM
1.34
Low Tide
/ height (m)
3:49PM
0.45
3:30AM
0.63
9:29AM
0.64
4:06PM
0.45
6:17AM 8:17AM
0.57 0.57
4:21PM
0.45
8:19AM
0.50
4:36PM
0.42
9:04AM
0.45
4:54PM
0.37
9:51AM
0.42
5:14PM
0.30
10:41AM
0.42
5:39PM
0.23
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sunrise5:52--5:52--5:52--5:52--5:52--5:52--5:52--
Sunset-8:13--8:13--8:14--8:15--8:15--8:16--8:17-
cloud
part cloud
clear
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
---1121--------------
Temp. °C151413161714151513161615262824242115191814
Feels °C (?)11101011108889121312202321211814161411
  • 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 Knights Surf forecast

The above surf forecast table for Knights provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Knights can be found by selecting the local surf guide option on the grey menu. Our Knights 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 (Knights) 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 Knights 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.

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