Surf Forecasts:
Agios Ioannis surf forecast from 10 Sep 2026:
- Most powerful swell: Sunday 13 Sep, 9AM (local time) - 3.5ft (1.1m), 5s period, NNW swell with 48 kJ wave energy.
Best Forecast Surf Conditions for Agios Ioannis this week:
The most powerful waves expected at Agios Ioannis in the next 16 days are 1.1m 5s and forecast to arrive on Sunday (Sep 13) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Sep 13) at 6AM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9AM (Sun 13th Sep) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Agios Ioannis over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s cooking at Agios Ioannis.
Honestly, it’s a slow start. For the next week and a half, we’re staring at flat, weak junk. The water’s a warm 81°, which is way hotter than usual – about 5° above normal, so it’s like a bathtub.
From now up through around the 20th of September, it’s nothing doing. Tiny swell, mostly under 2ft, with short periods of 4 to 5 seconds. The wind’s mostly cross-onshore or onshore from the ESE or ENE, keeping things bumpy and uninviting. You’ll see a lot of zero-rated sessions – not worth the hassle. Even the few glassy mornings have waves that are barely a ripple.
There’s a big gap until the 21st of September. On that Monday, we finally see a pulse of 4ft to 5ft swell from the ENE, with moderate energy (271) and a 6 to 7 second period, but the wind is cross or cross-onshore, so it’s only marginal.
The one real bright spot is Tuesday morning the 22nd of September. That’s your chance. We’ve got a clean 5ft swell from the ENE with a 7-second period, and the wind is dead calm – glassy conditions. The wave energy is solid at 330. The water’s still that unusually warm 81°. It’s a point break, so that swell will wrap in nicely. Just know it’s inconsistent and you might have company, so get down early.
After that, it gets rough again. The afternoon of the 22nd goes cross-onshore, and the 23rd, with a 5ft to 6ft swell (403 energy), is crossed up by NNW winds. By the 24th, it’s poor with onshore winds.
Bottom line: the first 11 days are a bust. Your only real shot for clean surf is that Tuesday morning the 22nd. Don’t miss it.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Fri night, min 23°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Mon morning. Warm (max 24°C on Sun morning, min 22°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
AM | 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) | ENE 4 | ENE 5 | ENE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 4 | E 5 | ENE 4 | NNW 5 | N 4 | ENE 5 | ENE 5 | ENE 5 | E 4 | E 4 | ENE 3 | E 4 | — | — | ENE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 8 | 4 | 2 | 8 | 4 | 3 | 13 | 4 | 48 | 9 | 11 | 29 | 15 | 3 | 1 | 1 | 1 | 0 | 0 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | glassy | cross-on | cross-on |
High Tide | 4:48PM0.30m | 5:21AM0.30m | 5:19PM0.30m | 5:45AM0.31m | 5:49PM0.30m | 6:08AM0.31m | 6:18PM0.29m | 6:31AM0.31m | 6:47PM0.27m | 6:54AM0.29m | 7:14PM0.25m | 7:16AM0.28m | 7:42PM0.22m | ||||||||
Low Tide | 10:50AM0.05m | 11:06PM-0.00m | 11:20AM0.03m | 11:32PM-0.00m | 11:49AM0.02m | 11:56PM0.01m | 12:18PM0.02m | 00:19AM0.03m | 12:45PM0.03m | 00:42AM0.05m | 1:13PM0.04m | 1:03AM0.07m | 1:43PM0.06m | 1:23AM0.09m | |||||||
 | |  | | | | | |  |  | | |  | | | | | | | | | |
 | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 7:45 | — | — | 7:43 | — | — | 7:40 | — | — | 7:39 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 27 | 28 | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 |
Feels °C | 26 | 25 | 27 | 27 | 27 | 28 | 27 | 26 | 27 | 21 | 24 | 22 | 23 | 23 | 23 | 25 | 25 | 24 | 24 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 4 | ENE 5 | ENE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 4 | E 5 | ENE 4 | — | ENE 4 | ENE 5 | ENE 5 | ENE 5 | E 4 | E 4 | ENE 3 | E 4 | — | — | ENE 5 |
| kJ | 2 | 8 | 4 | 2 | 8 | 4 | 3 | 13 | 4 | — | 4 | 11 | 29 | 15 | 3 | 1 | 1 | 1 | — | — | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NNW 2 | NNW 5 | N 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 48 | 9 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 926 | 1181 | 500 | 837 | 1287 | 974 | 917 | 2302 | 959 | 792 | 2154 | 231 | 2066 | 2154 | 1996 | 833 | 1266 | 1312 | 2288 | 777 | |
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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