Surf Forecasts:
Agios Ioannis surf forecast from 15 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 6PM (local time) - 3.5ft (1.1m), 6s period, ENE swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 12PM (local time) - 4.5ft (1.3m), 6s period, ENE swell with 147 kJ wave energy.
- Next surfable swell (1★+): Wednesday 16 Sep, 6PM (local time) - 3.5ft (1.1m), 6s 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 Wednesday (Sep 16) at 6PM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.8m and 6s. 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 1.3m 6s and forecast to arrive on Wednesday (Sep 16) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Monday (Sep 21) at 9PM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Wed 16th Sep) | 3.5ft (1.1m) 6s |
| Best Surf | 6PM (Wed 16th Sep) | 3.5ft (1.1m) 6s |
| Most Powerful | 12PM (Wed 16th Sep) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Agios Ioannis over the next 16 days.
The Lowdown
Alright, surf’s up... or, well, it’s trying to be. Let's get into it.
The next week and a half is looking pretty flat and sloppy around Agios Ioannis. We’ve got a lot of wind swell junk, tiny waves, and onshore breezes messing things up. There’s a little window Thursday morning the 17th where it goes glassy and we get a knee-high wave, but honestly, that’s about as good as it gets for a while. Water temp is sitting at 81°, which is a good 7° warmer than normal for this time of year – that’s proper bathwater, even for September.
The swell stays pretty weak through the 20th, with that combined energy mostly in the low double digits or less. The 21st sees a slight bump on Monday afternoon – waist-chest high, but the wind is cross-onshore and it’s messy. Nothing to get excited about.
Then things change. The 23rd and 24th bring a real pulse of ENE groundswell, jumping up to 8ft on Wednesday morning the 23rd – that’s a solid size, but the wind is on it, and it’s a bit jumbled. Combined energy spikes to 1091, which is strong, but the quality suffers. Thursday the 24th drops into the 7ft range, still a lot of power (855 energy), but again, not super clean.
Now, here’s the standout. Friday morning the 25th – that’s the one. We’ve got 6ft of ENE swell, period at 8 seconds, and a NW cross-offshore breeze. That’s clean, lined-up waves on the point. The energy is big (707), but the wind makes it work. Agios Ioannis is a point break, and with that direction and cleanliness, it’s going to be the pick of the whole run. This is a proper session, not just a surf. The following Saturday morning the 26th has 4ft and glassy conditions – also a good shout, but that Friday is the standout.
After that, we fade back down. Sunday and Monday drop to chest-high and under, with some cross-off and glassy windows, but it’s back to mushy and weak by Tuesday the 29th, down to 0.7ft. So, get on it Friday the 25th, because the rest is mostly waiting for the next pulse.
-Rusty
Short Range ForecastLight rain (total 6mm), mostly falling on Tue night. Warm (max 23°C on Mon afternoon, min 22°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Thu afternoon, min 23°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NNW 4 | E 4 | ENE 2 | E 4 | ENE 5 | E 6 | ENE 7 | E 6 | ENE 6 | E 6 | ENE 5 | ENE 4 | — | E 4 | ENE 4 | ENE 4 | NE 4 | E 5 | ENE 6 | NE 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 4 | 1 | 1 | 14 | 36 | 112 | 131 | 33 | 48 | 31 | 4 | 2 | 0 | 1 | 1 | 3 | 4 | 11 | 58 | 12 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | on | on | glassy | glassy | cross-on | off | glassy | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on |
High Tide | 6:47PM0.27m | 6:54AM0.29m | 7:14PM0.25m | 7:16AM0.28m | 7:42PM0.22m | 7:40AM0.26m | 8:14PM0.19m | 8:06AM0.23m | 9:04PM0.16m | 8:48AM0.21m | 12:31PM0.19m | 3:22AM0.20m | ||||||||
Low Tide | 00:42AM0.05m | 1:13PM0.04m | 1:03AM0.07m | 1:43PM0.06m | 1:23AM0.09m | 2:17PM0.08m | 1:39AM0.12m | 3:07PM0.11m | 1:41AM0.14m | 6:06PM0.12m | 8:24PM0.10m | |||||||||
 |  |  |  |  |  | |  | | | | | | | | | | | | | |
 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — |
 | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — |
mm | — | — | — | 1 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 26 |
Feels °C | 22 | 22 | 22 | 22 | 22 | 20 | 20 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 4 | — | — | — | E 5 | — | ENE 7 | E 6 | ENE 6 | E 6 | ENE 5 | ENE 4 | — | E 4 | ENE 4 | — | ENE 4 | — | ENE 6 | ENE 5 |
| kJ | 4 | — | — | — | 13 | — | 131 | 33 | 48 | 31 | 4 | 2 | — | 1 | 1 | — | 4 | — | 58 | 10 |
Swell 2 Height (m) Direction Period (s) | ENE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | E 4 | ENE 2 | E 4 | ENE 5 | E 6 | — | — | — | ENE 6 | — | — | — | — | — | ENE 4 | NE 4 | E 5 | — | NE 5 |
| kJ | 4 | 1 | 1 | 14 | 36 | 112 | — | — | — | 12 | — | — | — | — | — | 3 | 4 | 11 | — | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1996 | 2087 | 2092 | 2427 | 1097 | 968 | 457 | 99 | 0 | 766 | 1131 | 961 | 1192 | 917 | 837 | 1202 | 1241 | 1255 | 2091 | 2087 |
Best forecast wave conditions in Aegean Sea | ||||||||||||||||||||
Best forecast wave conditions in Greece | ||||||||||||||||||||
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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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