The Island Surf Break

Lat Long: 33.05° S 134.17° E

The Island Surf Forecast and Surf Report

Issued: 2 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Island sea temperature is
15.5° C
0.8° 

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 12 Jul 2026:

  • Best quality surf: Tuesday 14 Jul, 9PM (local time) - 7ft (2.1m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 13 Jul, 9PM (local time) - 8ft (2.5m), 17s period, SW swell with 3,597 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 14 Jul, 9PM (local time) - 7ft (2.1m), 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 Tuesday (Jul 14) at 9PM. The primary swell is predicted to be 2.1m and 15s period with a secondary swell of 0.2m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Island in the next 16 days are 2.5m 17s and forecast to arrive on Monday (Jul 13) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Saturday (Jul 18) at 3AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 14th Jul)7ft (2.1m) 15s
Best Surf 9PM (Tue 14th Jul)7ft (2.1m) 15s
Most Powerful 9PM (Mon 13th Jul)8ft (2.5m) 17s

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


Alright, Rusty here. This is the only game in town for the next couple of weeks, so let's get into it.

The forecast opens with a whole lotta nothing. The first few days are a write-off with onshore winds hammering a solid, but messy, southwest swell. The water’s sitting at 60°, which is about average for this time of year – nothing to write home about on the thermometer front.

Things finally take a turn on Wednesday, July 15th. That morning, the wind swings offshore from the ENE, and the swell settles to a 6ft SW groundswell with a 15-second period. That's good energy coming through (1363). It’s still a reef break and this is only for experienced surfers, but it’s glassy and clean. By the afternoon, it goes totally glassy with a 5ft SW swell. Clean conditions.

Thursday, July 16th keeps the quality up, but the swell drops off a bit. Morning has a clean 4ft SW swell, and the afternoon sees it bump to 5ft but with a very long 17-second period. That kind of period gives you heaps of push and shape, but at a reef, it might be a bit too straight – still a solid option for the crew who know the lineup.

The end of the first week into the second is a slow fade. Friday the 17th is marginal with smaller swell, and by Saturday the 18th the wind goes nasty cross-shore and the energy drops right off (275). That’s a full weekend lost to lumpy, choppy conditions.

There’s a glimmer on Tuesday, July 21st. Morning brings a clean 5ft SW with offshore ENE winds. The swell has a bit of life left in it (838), and it's clean. That afternoon, the wind goes cross-offshore and it stays tidy, though the swell slips to 4ft. It’s a nice window before the next blow.

That blow arrives Wednesday, July 22nd. Strong winds out of the north and a messy 6ft cross-shore swell (780). Not good. That sets the tone for a long, run of poor conditions all the way through the end of the 16-day window. Swells get bigger again on the 24th and 25th, but they are hammered by onshore or cross-onshore winds every time. Too big for comfort anyway (over 8ft) and blown out. The final days are a quiet fizzle of small, wind-affected leftovers.

The standout is Wednesday, July 15th – clean, offshore, and solid period. That's your morning session. The only other real shout is the Tuesday, July 21st window for a quieter, cleaner paddle.

Overall, it’s a one-hit-wonder kind of forecast. A couple of good days in there for the experienced surfer, but a whole lot of waiting in between.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 16°C on Sun night, min 13°C on Wed morning). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Thu afternoon, min 12°C on Sat morning). Winds increasing (calm on Wed afternoon, fresh winds from the N by Sat morning).

Sun
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
2
4
4
4
3
3
3
3
2
2
1
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)
2.1
SW
12
2.4
SW
17
2.5
SW
16
2.5
SW
16
2.5
SW
17
2.4
SW
16
2.3
SW
16
2
SW
15
1.8
SW
15
1.6
SW
15
1.5
SW
14
1.3
SW
14
1.5
SW
17
1.5
SW
16
1.3
SW
16
1.3
SW
15
1.1
SW
14
0.9
SW
13
0.8
SW
13
0.7
SW
13
0.8
SW
19
Wave Graph
Metric surfscale
Energy kJ
1261
3325
3263
3233
3597
3011
2506
1799
1344
1108
899
736
1297
1055
886
695
453
257
208
162
526
Wind (km/h)
25
W
25
W
30
W
25
WSW
25
W
25
SW
20
SSW
15
SE
15
ENE
5
SSE
15
ENE
20
NNE
10
N
20
NE
20
NNE
15
N
25
NNE
30
N
30
N
35
NNE
35
N
Wind State
on
on
on
cross-on
on
cross-on
cross
cross-off
off
glassy
off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross
cross
cross-off
cross
High Tide
5:36AM0.00m
7:14AM0.00m
9:02AM0.00m
11:01AM0.00m
12:56PM0.00m
2:40PM0.00m
Low Tide
4:49PM-0.00m
6:24PM-0.00m
8:06PM-0.00m
10:02PM-0.00m
00:00AM-0.00m
1:50AM-0.00m
3:28AM-0.00m
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:35
7:33
7:33
7:33
7:33
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:42
5:43
5:44
5:44
5:45
5:45
5:45
 mm
Temp °C
15
16
16
16
16
15
15
15
14
16
16
15
17
17
14
17
17
15
18
17
16
Feels °C
10
11
10
11
12
11
12
13
12
15
13
12
15
14
9
12
11
8
13
11
8
  • 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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