Agios Ioannis Surf Break

Lat Long: 39.42° N 23.16° E

Agios Ioannis Surf Forecast and Surf Report

Issued: 2 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Agios Ioannis sea temperature is
27.7° C
2.6° 

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


Agios Ioannis surf forecast from 13 Aug 2026:

  • Best quality surf: Friday 14 Aug, 6PM (local time) - 5ft (1.5m), 7s period, ENE swell with glassy winds.
  • Most powerful swell: Friday 14 Aug, 6AM (local time) - 7.5ft (2.3m), 8s period, ENE swell with 591 kJ wave energy.
  • Next surfable swell (1★+): Friday 14 Aug, 6PM (local time) - 5ft (1.5m), 7s period with ENE swell.

Best Forecast Surf Conditions for Agios Ioannis this week:

The surf forecast for Agios Ioannis over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 14) at 6PM. The primary swell is predicted to be 1.5m and 7s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Agios Ioannis in the next 16 days are 2.3m 8s and forecast to arrive on Friday (Aug 14) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Aug 13) at 9PM.

Wave TypeTime (EEST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 14th Aug)5ft (1.5m) 7s
Best Surf 6PM (Fri 14th Aug)5ft (1.5m) 7s
Most Powerful 6AM (Fri 14th Aug)7.5ft (2.3m) 8s

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


The Lowdown

Alright, Rusty here. Let's break this down in the old measurements.

We’re looking at a real mixed bag. The water’s running way warmer than usual for August – we’re talking about 82°F, which is about 5°F above normal, so it feels like bathwater out there. But, honestly, the surf is struggling to show up. For the next couple of days, we’ve got a pulse of energy coming in, but it’s messy. The best bet in the whole 16-day window is going to be a very short window on Friday the 14th, and even then, it’s touch and go.

Let’s start with Agios Ioannis. This point break is a fickle one – it’s inconsistent, so we take what we can get. It’s exposed to the swell, but the optimum direction is from the NE. What we’re seeing is a lot of ENE swell hitting it, which isn’t ideal.

Thursday the 13th is a write-off. You’ve got a weak 3ft ENE swell with a short 6-second period – that’s just bumpy, weak lines. The combined energy is a measly 74, so there’s nothing behind it. Wind is cross from the north at 9 mph, chopping it up. Don’t bother.

Friday the 14th is the one to circle on the calendar. It’s still not perfect, but it’s the only real chance for a wave. The morning shows a 7ft ENE swell, period bumping up to 8 seconds. The combined energy jumps to 879, which is moderate-strong for this spot, and that’s significant. The wind is light and onshore from the NE at 6 mph. The report calls it “marginal” – and that’s fair. The swell direction is a bit off, and the period is short. It’s going to be a bit crumbly and fat. This is intermediate territory at that size; over 5ft, it starts to push beginners out, but with that short period it won’t have too much punch. The afternoon drops to 6ft with the same wind, but the energy drops too. Friday morning is the pick of the entire period. It’s not a clean classic, but it’s the most size you’ll see. Expect some crowds, this spot is known to get busy sometimes.

Saturday the 15th is a step down. Swell drops to 5ft in the morning, period stays at 7 seconds, and the energy is down to 198. The wind is onshore. It’s poor conditions.

Sunday the 16th is a story of what could have been. The morning goes glassy – a 3 mph glass-off from the ENE, with a small 3ft swell, 6-second period, and energy at 120. It’s surfable, but it’s tiny and weak. Afternoon the wind swings cross-onshore and kills it.

Then, from Monday the 17th all the way through to Wednesday the 28th, we hit a long, flat run. For nearly 11 days, there’s nothing but tiny slop and onshore wind. The combined energy reads 0 or 1 for most of that. There’s a brief moment on Thursday the 20th with glassy conditions and a 0.7ft E swell, but that’s ankle-snappers at best. A couple of mornings on the 22nd and 23rd show clean cross-offshore wind from the NW, but with no swell behind them – 0.7ft and energy of 1 or 2, it’s flat calm. You could paddle a SUPer, but not surf.

The last chance to wet a line is way out on Friday the 28th, in the afternoon. We finally get a glass-off from the NNE, light 3 mph, and a tiny 2ft swell from the north with a 4-second period and energy of 11. It’s basically flat.

So here’s the bottom line: There’s only one real standout, and that’s Friday morning, August the 14th, at Agios Ioannis. It’s a 7ft ENE swell with 8-second period. The wind is light and onshore, the break is inconsistent and can get crowded. It’s not a total classic, but it’s the only size on offer. If you’re desperate for a paddle, Sunday the 16th morning is glassy but tiny. After that, bring a book. The break might pick up again if the forecasts change, but for now, this region is on a flat spell.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 30°C on Thu afternoon, min 23°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 30°C on Tue night, min 24°C on Sun morning). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
3
2
0
0
0
0
1
0
0
0
0
0
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)
0.8
ENE
6
1.2
ENE
7
2.3
ENE
7
2.1
ENE
8
1.6
ENE
8
0.6
ENE
5
1.5
ENE
7
1.4
ENE
7
0.4
NE
6
1
ENE
6
0.9
ENE
6
0.3
ENE
5
0.2
ENE
4
0.4
ENE
5
0.3
ENE
4
0.2
NNW
3
0.2
E
3
Wave Graph
Metric surfscale
Energy kJ
43
151
516
501
363
23
198
173
8
88
70
5
2
7
4
0
0
0
0
0
1
Wind (km/h)
15
N
10
ENE
20
ENE
10
NE
15
E
15
ENE
15
NE
10
ENE
20
ENE
5
ENE
15
ESE
5
ESE
5
SE
20
ESE
5
SSW
10
NNW
5
ESE
10
WSW
15
NNW
5
ENE
5
ENE
Wind State
cross
on
on
on
on
on
on
on
on
glassy
cross-on
cross-on
cross-on
cross-on
cross-off
cross
cross-on
off
cross
on
glassy
High Tide
5:38PM0.31m
6:23AM0.29m
6:10PM0.30m
6:49AM0.30m
6:42PM0.29m
7:15AM0.29m
7:12PM0.27m
7:41AM0.28m
7:42PM0.25m
8:06AM0.27m
8:14PM0.22m
8:34AM0.25m
8:49PM0.19m
Low Tide
11:40AM0.06m
00:04AM-0.02m
12:14PM0.05m
00:31AM-0.01m
12:46PM0.05m
00:57AM0.01m
1:18PM0.05m
1:21AM0.03m
1:50PM0.06m
1:44AM0.06m
2:24PM0.08m
2:06AM0.08m
3:05PM0.10m
2:26AM0.11m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:39
6:39
6:41
6:41
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:25
8:24
8:22
8:22
8:21
8:19
8:17
 mm
Temp °C
27
30
30
25
27
28
25
26
28
25
26
27
26
26
27
27
29
30
28
28
28
Feels °C
27
29
29
25
26
25
22
26
26
24
24
25
26
25
27
29
29
29
29
30
29
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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 Agios Ioannis Surf forecast

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

Agios Ioannis is 19 km (12 miles) from the city of Volos. If you plan a holiday in Aegean Sea, look for hotels and other accommodation in Volos. Volos has rooms for a wide range of budgets as well as car hire and transport links.

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