The Island Surf Break

Lat Long: 33.05° S 134.17° E

The Island Surf Forecast and Surf Report

Issued: 2 am 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Island sea temperature is
15.9° C
0.2° 

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 22 Jul 2026:

  • Best quality surf: Friday 24 Jul, 3AM (local time) - 6ft (1.9m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Thursday 23 Jul, 6PM (local time) - 10ft (3.0m), 16s period, SW swell with 3,604 kJ wave energy.
  • Next surfable swell (1★+): Friday 24 Jul, 3AM (local time) - 6ft (1.9m), 16s 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 Friday (Jul 24) at 3AM. The primary swell is predicted to be 1.9m and 16s 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 3.0m 16s and forecast to arrive on Thursday (Jul 23) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Jul 30) at 12AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 24th Jul)6ft (1.9m) 16s
Best Surf 3AM (Fri 24th Jul)6ft (1.9m) 16s
Most Powerful 6PM (Thu 23rd Jul)10ft (3.0m) 16s

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


The Lowdown

Alright folks, Rusty here with a look at what The Island has in store. It's a bit of a mixed bag for the next couple of weeks, but there are definitely some windows of clean glass to get excited about.

We’re starting off on Thursday the 23rd of July, but honestly, you can sleep in. The wind is a messy cross-shore, and while there’s a solid 7ft SW swell, the conditions are just too choppy to be any fun. The afternoon stays pretty ugly too, with about 7ft of SW swell but still that cross-chop from the S wind. The combined energy of all swells directed here is very strong (1623), but without clean conditions, it’s not doing us any favours. The water temperature feels about average for this time of year.

Friday the 24th is where it starts to get interesting. The morning is looking prime with a nice 6ft SW swell and a light SE wind that’s slightly offshore, making for clean, lined-up waves. The energy is still pumping (1443) and the 15-second period means proper groundswell with some punch – this is the standout window of the early run. The afternoon holds a smaller 5ft, but the wind swings to a light cross-shore chop, so aim for that morning session.

Saturday the 25th and Sunday the 26th take a dive. Swell drops right away, and we get onshore and cross-onshore winds kicking up a mess. The energy plummets to (375) by Saturday arvo and stays low. Not worth the paddle.

Monday the 27th is more of the same – weak, choppy, and ugly with swell barely hitting 3ft.

Now, here's the next real window. Tuesday the 28th of July sees a jump back in swell to 6ft in the morning, with very light cross-shore breezes. It's not perfect, but there’s a big improvement. The afternoon pushes 7ft from the SW, though the wind turns cross-onshore, so the morning is the pick.

Best Bet of the whole run: Wednesday the 29th of July. Morning session is a no-brainer. You’ve got a clean 6ft SW groundswell, a 12 mph E offshore wind grooming it, and the energy is pumping at (1603). This is the one for experienced surfers – that combination of size, direction, and clean offshore wind is hard to beat. The afternoon stays solid (6ft) and clean with a cross-offshore breeze.

Thursday the 30th is still fun with a smaller 5ft SW swell and gentle ENE offshore winds in the morning. Clean, easy vibes.

We then roll into a run of smaller, cleaner days. Friday the 31st, the weekend of the 1st and 2nd of August, and into Monday the 3rd all offer surfable swell between 3ft and 5ft, mostly from the SW. Winds are generally light to moderate and offshore or cross-offshore, so conditions are tidy. The crowd factor at The Island is worth a mention – it can get busy, especially on these cleaner days, so plan accordingly.

Tuesday the 4th of August is another write-off with onshore winds and poor waves.

A late wildcard pops up on Wednesday the 5th of August. Only 3ft to 3ft of swell, but check the period: 19 seconds. That’s a seriously long-period groundswell from the SW. The combined energy is still moderate (1066). For a reef setup like The Island, this could produce some unusually long, rolling lines, but it will be very inconsistent. Keep an eye on the tide.

The run ends with a solid 5ft SW swell on Thursday the 6th of August and a clean 4ft on Friday the 7th, but that Friday does come with a 22 mph cross-offshore wind, so it’ll be a battle to get out back.

In short: The first standout is Friday the 24th morning, but the absolute pick of the entire forecast is Wednesday the 29th of July. It’s all about that clean offshore wind and solid SW groundswell at The Island.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Very mild (max 14°C on Sat night, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 15°C on Mon afternoon, min 12°C on Tue night). Winds increasing (light winds from the WNW on Sun afternoon, strong winds from the SSW by Tue night).

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
3
3
3
2
1
0
0
0
0
0
0
0
0
0
0
1
2
3
3
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
SW
14
2.5
SW
15
1.9
SW
15
1.8
SW
15
1.6
SW
14
1.4
SW
14
1.2
SW
13
1.2
SW
13
1.2
SW
12
1.1
SW
12
1
SW
12
1.1
SW
11
0.9
SW
14
0.8
SW
13
1.2
WSW
11
1.8
SW
14
1.8
SW
15
2
SW
15
2.3
SW
16
2.1
SW
15
1.8
SW
14
Wave Graph
Metric surfscale
Energy kJ
1728
3280
1697
1418
1092
769
488
466
423
344
259
288
304
215
350
1303
1500
1684
2586
1889
1233
Wind (km/h)
25
S
25
S
20
SSE
10
S
15
S
5
SSW
10
W
20
WSW
15
SW
15
W
20
WNW
25
N
30
NNW
30
NW
15
WNW
30
SW
30
WSW
30
S
25
SSE
20
SSE
20
ESE
Wind State
cross
cross
cross-off
cross
cross
cross
on
on
cross-on
on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
High Tide
2:17AM0.00m
3:48AM0.00m
5:13AM0.00m
6:44AM0.00m
8:34AM0.00m
Low Tide
11:16AM-0.00m
1:23PM-0.00m
3:04PM-0.00m
4:31PM-0.00m
5:56PM-0.00m
7:36PM-0.00m
9:38PM-0.00m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
rain showers
part cloud
part cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:30
7:28
7:28
7:28
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
5:50
5:51
5:52
5:52
 mm
3
2
Temp °C
13
13
13
13
13
12
13
13
14
13
13
14
14
15
15
14
14
12
12
12
12
Feels °C
7
7
7
10
9
9
9
9
11
10
9
11
6
8
11
8
8
3
6
6
7
  • Map Icons:
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  • 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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