The Island Surf Break

Lat Long: 33.05° S 134.17° E

Issued: 8 pm 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Island sea temperature is
15.7° C

Slightly cooler than normal

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


The Island surf forecast from 5 Jul 2026:

  • Best quality surf: Tuesday 7 Jul, 9PM (local time) - 5ft (1.5m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Sunday 12 Jul, 12PM (local time) - 10ft (3.0m), 15s period, SW swell with 3,424 kJ wave energy.
  • Next surfable swell (1★+): Monday 6 Jul, 3AM (local time) - 4.5ft (1.4m), 15s period with SW swell.

Best Forecast Surf Conditions for The Island this week:

The surf forecast for The Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 06) at 3AM. The primary swell is predicted to be 1.4m and 15s period with a secondary swell of 0.2m and 16s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at The Island in the next 16 days are 3.0m 15s and forecast to arrive on Sunday (Jul 12) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Jul 06) at 3AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Mon 6th Jul)4.5ft (1.4m) 15s
Best Surf 9PM (Tue 7th Jul)5ft (1.5m) 16s
Most Powerful12PM (Sun 12th Jul)10ft (3.0m) 15s

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


Updates in  hr  min  s Forecast update imminent

Alright folks, Rusty here, got the lowdown on the next couple of weeks for The Island. This reef setup is our main show, exposed to a solid SW swell window and it's a consistent performer, so there's plenty to talk about even if the wind plays games on us.

The opening of the period kicks off with a bang. Monday, July 6th we’re looking at a strong start. We’ve got a clean 4ft SW groundswell rolling in with a long 14-second period. The wind is a gentle offshore breeze from the ENE, making conditions clean. The wave energy is cooking at a moderate 618. The morning is the clear standout here, offering very good surf. The Island is an advanced reef break and with these speeds, it will be solid but inviting for the crew who know what they’re doing. It’s sometimes crowded, so expect a few heads out there.

Tuesday, July 7th is the true high point of this whole outlook. Morning has a clean swell of 4ft from the SW with a period stretching to 16 seconds, and an offshore E breeze. But the real winner is the Tuesday afternoon: glassy conditions, a perfect 4ft SW swell with the same long 16-second period. The combined energy hits a moderate 715. That's the pick of the trip. For the experienced surfer, that’s pretty much as good as it gets right there.

Wednesday, July 8th, things get a bit more challenging as the swell jumps to 6ft with a long 17-second period. The wind is cross-off from the NNE, so the wave faces stay clean, but the energy jumps to a strong 2199. This is expert territory, and the conditions are marginal, more about raw power than finesse.

The quality falls off a cliff from Thursday, July 9th, as the wind turns onshore. By Friday, July 10th and through the weekend, the wind just gets howling. Saturday, July 11th is flat-out messy with a strong cross-onshore wind. While the swell builds to 10ft on Sunday the 12th, with massive energy (3234), the onshore wind will trash the surface. It’s big but blown-out. This stretch into mid-week is mostly a write-off for clean surfing, with strong cross-onshore winds making it look more interesting for kitesurfing than paddle surfing.

We do get a bit of a reprieve on a few days, but nothing like the start. Monday, July 13th sees a massive 8ft SW swell with a very long 19-second period and 4431 energy, but the wind is still messy cross-onshore, so it's a case of looking at big, lumpy lines.

Then we get our second true standout. Wednesday, July 15th morning is a beauty. The swell drops to a manageable 6ft from the SW with a nice 16-second period. The key here is a glassy, offshore wind from the ENE. The energy is a strong 1449. This is an excellent session for experienced surfers. It’s a rare case of the stars aligning again after a rough patch.

After that, the conditions get trickier again. Thursday the 16th is clean but smaller. Then from Friday the 17th onward, the wind is set to be our enemy, blowing strong or onshore through the rest of the window into the 21st. There’s surf, but it will be a battle with the chop. The water temp is humming along as normal for this time of year, so no surprises there.

Bottom line: Hammer the Monday 6th morning and Tuesday 7th afternoon, then the glassy morning of Wednesday July 15th. The rest is looking like a marginal slog.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed morning. Very mild (max 16°C on Tue afternoon, min 10°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Very mild (max 17°C on Fri afternoon, min 13°C on Wed night). Winds increasing (light winds from the NW on Thu afternoon, near gales from the WSW by Sat afternoon).

Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sun
12
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
4
3
2
2
3
3
4
3
3
3
2
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SW
16
1.2
SW
14
0.9
SW
14
0.6
SW
17
1.1
SW
16
1.2
SW
16
1.7
SW
17
1.9
SW
17
1.7
SW
16
1.5
SW
16
1.2
SW
15
0.9
SW
18
1.4
SW
16
1.4
SW
15
1.3
SW
15
1.1
SW
14
1
SW
14
2.5
WSW
8
3
SW
12
3
SW
14
3
SW
15
Wave Graph
Metric surfscale
Energy kJ
1068
598
336
186
611
710
1643
2167
1492
1087
606
510
989
860
753
514
363
809
2272
3234
3330
Wind (km/h)
25
ENE
15
ENE
15
SE
20
E
10
E
5
ENE
10
ENE
20
NNE
15
NE
20
NNE
25
NNE
15
NNW
15
N
20
NNW
20
NW
30
NW
45
WNW
55
WSW
40
WSW
40
WSW
35
WSW
Wind State
off
off
cross-off
off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
High Tide
6:51PM0.00m
8:32PM0.00m
10:22PM0.00m
00:22AM0.00m
2:18AM0.00m
4:01AM0.00m
Low Tide
6:03AM-0.00m
7:40AM-0.00m
9:26AM-0.00m
11:22AM-0.00m
1:21PM-0.00m
3:11PM-0.00m
4:49PM-0.00m
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
clear
part cloud
clear
cloud
cloud
rain showers
light rain
rain showers
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
7:35
7:35
7:35
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:38
5:39
5:39
5:40
5:40
5:42
 mm
2
1
3
1
Temp °C
13
11
13
13
12
16
16
14
16
14
14
15
15
15
17
16
15
14
14
15
15
Feels °C
7
8
9
8
9
12
13
11
12
9
9
12
13
9
13
12
6
3
4
7
7
Swell 1
Height (m)
Direction
Period (s)
1.5
SW
16
1.2
SW
14
0.9
SW
14
0.7
SW
14
1.1
SW
16
1.2
SW
16
1.7
SW
17
1.9
SW
17
1.7
SW
16
1.5
SW
16
1.2
SW
15
1
SW
14
1.4
SW
16
1.4
SW
15
1.3
SW
15
1.1
SW
14
1
SW
14
Energy kJ
1068
598
336
184
611
710
1643
2167
1492
1087
606
401
989
860
753
514
363
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
16
0.2
SSE
14
0.2
S
14
0.6
SW
17
0.1
S
17
0.1
S
16
1.3
SW
19
0.2
SSE
18
0.2
S
17
0.1
S
16
0.3
SW
20
0.9
SW
18
0.3
WSW
4
0.1
S
14
Energy kJ
24
20
15
186
5
5
1185
32
23
5
62
510
3
4
Swell 3
Height (m)
Direction
Period (s)
0.1
S
22
0.1
S
15
0.1
S
15
0.1
S
16
Energy kJ
9
4
4
5
Wind waves
Height (m)
Direction
Period (s)
0.6
E
3
0.5
ESE
4
0.6
N
4
0.3
NW
4
0.6
N
4
0.4
NW
4
0.4
NNW
3
1.1
NW
4
2.5
WSW
8
3
SW
12
3
SW
14
3
SW
15
Energy kJ
7
7
10
3
9
5
3
39
809
2272
3234
3330
Nearest Offshore or Glassy
Rating
(10 max)
4
3
2
2
3
3
4
4
4
4
3
3
3
3
4
4
3
2
1
1
4
Distance (km)
0
0
0
0
0
0
0
24
24
24
24
24
24
24
346
412
1074
1241
1074
1075
1373
Best forecast wave conditions in Eyre Peninsula
Rating
(10 max)
4
4
2
4
3
3
4
4
4
4
3
4
4
3
Best forecast wave conditions in Australia
Rating
(10 max)
5
4
4
8
7
5
5
7
5
5
4
4
5
5
4
4
3
2
9
7
7
Header Global
Rating
(10 max)
7
6
5
8
7
5
5
9
8
9
6
7
8
8
6
9
6
4
9
7
7
  • 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 The Island Surf forecast

The above surf forecast table for The Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Island can be found by selecting the local surf guide option on the grey menu. Our The Island 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 (The Island) 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 The Island 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.

Are you planning a holiday in Eyre Peninsula? If you are looking for accommodation near The Island, camping, hotels and holiday cottages in Eyre Peninsula, consider staying in Thevenard which is 111 km (69 miles) away.

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