Knights Surf Break

Lat Long: 35.54° S 138.68° E

Issued: 2 am 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's Knights sea temperature is
14.7° C

Slightly cooler than normal

Knights surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Knights surf forecast from 6 Jul 2026:

  • Best quality surf: Wednesday 8 Jul, 9AM (local time) - 7.5ft (2.3m), 18s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Monday 13 Jul, 12AM (local time) - 15ft (4.5m), 14s period, SW swell with 7,773 kJ wave energy.
  • Next surfable swell (1★+): Monday 6 Jul, 12PM (local time) - 6ft (1.9m), 14s period with SSW swell.

Best Forecast Surf Conditions for Knights this week:

The surf forecast for Knights over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 06) at 12PM. The primary swell is predicted to be 1.9m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Knights in the next 16 days are 4.5m 14s and forecast to arrive on Monday (Jul 13) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Jul 12) at 3AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 6th Jul)6ft (1.9m) 14s
Best Surf 9AM (Wed 8th Jul)7.5ft (2.3m) 18s
Most Powerful12AM (Mon 13th Jul)15ft (4.5m) 14s

Table - best surf conditions forecast for Knights over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Alright, Rusty here, let's get into it.

We’ve got a solid run of surf coming up at Knights (beach and reef). The water's sitting at 59°F, which is about average for this time of year, so no surprises there.

The first real call is Monday morning, July 6th. We’re looking at a clean 7 ft swell from the SSW, with a nice 14-second period. The wind is a light cross-off from the NE, so it’s going to be clean. The energy is strong, with a reading of 1748. This is advanced territory, but for those guys, it’s a good session. The light breeze keeps it tidy.

Monday afternoon holds up well, dropping slightly to 6 ft, still clean and cross-off. Good surf.

Tuesday, July 7th, the swell drops a bit to 5 ft, but the period stretches to 16 seconds, which is a proper groundswell. The wind stays cross-off and light. The energy is still moderate (1042). Good for a longboard or a step-up.

Now, Wednesday, July 8th, is the standout. The morning brings a 8 ft swell from the SSW, with a very long 18-second period. This is proper groundswell, and it’s packing a punch (energy of 3323). The wind is a gentle cross-off, so it’s clean. This is the best of the bunch for the week, but it’s for experts only. The long period will make it line up well on the reef, but it might be a bit too straight for the beach break sections.

Thursday morning, July 9th, is a hidden gem. The swell is 5 ft, but the wind turns offshore from the NE, light and clean. It’s a smaller, cleaner window with a solid 15-second period. Energy is still decent (924). This is the call for the average surfer looking for a good ride.

From Friday afternoon, July 10th, things start to go south. The wind picks up, and by Saturday, July 11th, it’s a fresh breeze with poor conditions. That lasts through Sunday, July 12th, where we get a lumpy, cross-shore mess with a short-period 10 ft swell. This is a kite surfer's setup, not a paddle surfer's.

Monday, July 13th, and Tuesday, July 14th, see big, messy, cross-onshore swells. The energy is huge (over 4000), but the wind just ruins it. It’s a washout.

The next real hope comes on Thursday, July 17th. The morning is glassy, with a 5 ft SSW swell and a 13-second period. The wind is a slight air from the NNE. This is a clean, glassy window. It’s a smaller day, but it will be a good one for a relaxed session.

Saturday, July 18th, is also clean with a small, 4 ft swell, but good period (16 seconds) and light cross-off winds. Nice, but small.

The long-range forecast for the week of July 21st shows a massive 13 ft swell from the SW with a 17-second period, but the wind is a strong cross-off. The energy is at 8607. This is just too big for this break, and it’s only for the most experienced, if anyone. That’s a shrug and a miss.

So, the pick of the week is Wednesday, July 8th, morning, for the big, powerful groundswell. For a more manageable, clean session, grab Thursday morning, July 9th, or the glassy morning on July 17th.

Rusty, signing off.

Short Range Forecast

Mostly dry. Very mild (max 14°C on Tue afternoon, min 6°C on Mon morning). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Sat afternoon. Very mild (max 16°C on Fri morning, min 9°C on Sat afternoon). Winds increasing (light winds from the N on Thu night, strong winds from the WNW by Sat night).

Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
4
3
4
4
4
5
4
4
3
4
4
4
2
2
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
SSW
14
1.8
SSW
14
1.4
SSW
13
1.4
SSW
16
1.4
SSW
16
1.6
SSW
16
2.3
SSW
18
2.2
SSW
17
1.8
SSW
16
1.5
SSW
15
1.4
SSW
14
1.6
SSW
16
1.4
WSW
16
1.3
SSW
14
1.2
SW
14
1.1
SW
14
1.1
SW
13
2
SW
10
3
SW
7
4
SW
9
4.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
1748
1207
623
1042
1003
1241
3323
2833
1586
924
796
1305
945
701
564
450
431
836
650
2285
7773
Wind (km/h)
10
NE
15
ENE
10
NE
15
NE
15
ENE
10
NE
15
NE
10
ENE
10
NNE
10
NE
10
NE
10
N
10
N
20
NNW
20
N
30
NNW
40
NNW
35
WNW
35
W
35
WSW
35
WSW
Wind State
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
High Tide
3:52PM1.11m
4:27AM0.84m
4:09PM1.03m
5:19AM0.91m
4:10PM0.95m
6:42AM0.98m
11:09AM1.17m
11:40AM1.31m
00:41AM0.56m
12:13PM1.41m
00:38AM0.54m
Low Tide
11:03PM0.55m
8:48AM0.66m
11:17PM0.58m
8:55AM0.82m
11:26PM0.60m
7:57AM0.97m
10:31PM0.60m
9:53PM0.57m
9:55PM0.53m
10:07PM0.50m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
light rain
part cloud
part cloud
mod rain
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:24
7:24
7:24
7:24
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:14
5:15
5:15
5:15
5:16
5:16
5:17
 mm
1
7
8
4
2
4
Temp °C
10
12
12
12
14
12
13
14
12
14
15
13
16
15
13
15
15
11
11
12
12
Feels °C
6
9
10
8
11
9
10
11
10
12
13
11
13
11
9
8
7
1
2
4
5
Swell 1
Height (m)
Direction
Period (s)
2.1
SSW
14
1.8
SSW
14
1.4
SSW
13
1.4
SSW
16
1.4
SSW
16
1.6
SSW
16
2.3
SSW
18
2.2
SSW
17
1.8
SSW
16
1.5
SSW
15
1.4
SSW
14
1.6
SSW
16
1.4
SW
15
1.3
SSW
14
1.2
SW
14
1.1
SW
14
1.1
SW
13
2
SW
10
0.4
SW
18
0.2
SSW
24
0.7
SW
21
Energy kJ
1748
1207
623
1042
1003
1241
3323
2833
1586
924
796
1305
893
701
564
450
431
836
84
54
463
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
18
0.6
S
10
0.4
SSW
22
0.6
SSW
19
1.2
WSW
16
1.4
WSW
16
0.1
S
20
Energy kJ
128
66
154
251
683
945
8
Swell 3
Height (m)
Direction
Period (s)
0.4
S
9
0.6
WSW
19
Energy kJ
24
233
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
3
0.5
ENE
3
0.6
ENE
3
0.4
ENE
3
0.5
ENE
3
0.4
NE
3
0.5
NE
3
0.4
NNE
3
0.4
N
3
0.3
NW
3
0.7
NNW
4
1
NNW
4
1
NNW
4
0.9
NW
5
3
SW
7
4
SW
9
4.5
SW
14
Energy kJ
3
6
7
3
6
3
6
3
2
2
13
32
34
35
650
2285
7773
Nearest Offshore or Glassy
Rating
(10 max)
4
3
3
3
3
4
4
4
4
3
3
4
4
2
2
2
2
1
1
1
2
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
577
577
755
809
1020
578
Best forecast wave conditions in South Australia - East Coast
Rating
(10 max)
4
4
3
4
4
4
9
7
4
3
4
5
4
3
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
8
7
4
5
7
6
6
4
4
5
4
4
4
2
2
8
6
5
5
Header Global
Rating
(10 max)
6
4
8
7
5
5
9
8
9
9
5
5
6
5
8
5
5
8
6
5
5
  • 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 16 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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