Surf Forecasts:
Agios Ioannis surf forecast from 20 Aug 2026:
- Most powerful swell: Tuesday 25 Aug, 6PM (local time) - 2ft (0.6m), 6s period, E swell with 26 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 0.6m 6s and forecast to arrive on Tuesday (Aug 25) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Sunday (Aug 23) at 9AM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Tue 25th Aug) | 2ft (0.6m) 6s |
Table - best surf conditions forecast for Agios Ioannis over the next 16 days.
The Lowdown
G’day folks, Rusty here. Let’s have a proper look at what’s on offer for Agios Ioannis over the next couple of weeks.
First off, I’ve gotta be straight with you—there’s a long, quiet stretch ahead. The first week is pretty much a write-off. From now through the end of August, we’re looking at tiny, unrideable swells with poor conditions. Most days show combined swell energy below 10 (weak energy), and the odd glassy morning on the 24th and 25th only brings waves around 1ft to 2ft with periods of 3 to 6 seconds—not enough to push you into anything worth paddling for.
The real gap here is about 12 days of nothing. You’ll be waiting until Thursday morning, the 3rd of September, for anything that even gets a pulse. That morning, we finally see a bump: 5ft swell coming from the ENE at 7 seconds, with the combined energy jumping up to 345 (moderate wave energy). Winds are glassy—dead calm—so the conditions will be clean as a whistle. The break is a point break called Agios Ioannis, and it’s exposed to swell from the NE, which lines up nicely with that ENE direction. Water temp is sitting at 81°, which is 4° warmer than usual (much warmer than normal), so it’ll feel like a warm bath.
That Thursday morning is the standout of the whole forecast. It’s an intermediate-level wave, but given the size, it’s still fine for a confident surfer. The crowd situation? It says ‘sometimes’, so you could have company, but on a point break that’s inconsistent, it might not be too hectic. The period is short (7 seconds), so the waves won’t have heaps of power or shape, but it’s the best we’ve got.
After that, Friday the 4th of September morning drops back to 3ft ENE with 6-second period and combined energy of 53 (weak energy) and glassy winds again. It’s surfable, but ordinary. Afternoon gets a chop from the cross-onshore wind, so not worth hanging around for.
So, to sum it up: if you’re keen, pencil in Thursday morning, 3rd September, for the only real chance of a wave. The rest is a long dry spell.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Fri night, min 26°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 32°C on Sun night, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 4 | ENE 5 | ENE 5 | ENE 4 | ENE 5 | ENE 4 | NNW 2 | NNW 3 | — | ENE 3 | E 5 | ENE 5 | E 6 | E 6 | ENE 5 | ENE 5 | E 5 | ENE 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 2 | 1 | 8 | 4 | 2 | 8 | 2 | 0 | 0 | 0 | 2 | 19 | 4 | 22 | 23 | 4 | 8 | 20 | 4 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | cross-on | glassy | cross-on | cross-on | glassy | cross | cross-on | cross-on | glassy | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-on |
High Tide | 9:49PM0.16m | 10:08AM0.21m | 1:02PM0.20m | 3:50AM0.19m | 2:36PM0.23m | 4:08AM0.21m | 3:23PM0.25m | 4:29AM0.23m | 3:58PM0.27m | 4:51AM0.26m | 4:29PM0.29m | 5:14AM0.27m | ||||||||
Low Tide | 4:10PM0.12m | 2:41AM0.14m | 7:13PM0.12m | 8:58PM0.10m | 8:42AM0.15m | 9:37PM0.07m | 9:29AM0.13m | 10:06PM0.04m | 10:01AM0.10m | 10:32PM0.02m | 10:31AM0.08m | 10:57PM0.01m | ||||||||
 |  | | | | | | | | | | | | | | | | | | | |
 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — |
 | 8:16 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:10 | — | — | 8:08 | — | — | 8:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 28 | 30 | 27 | 28 | 28 | 28 | 30 | 32 | 28 | 31 | 32 | 27 | 30 | 32 | 29 | 29 | 29 |
Feels °C | 28 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 29 | 30 | 32 | 27 | 29 | 31 | 28 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | — | ENE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 4 | ENE 5 | ENE 4 | — | NNW 3 | — | ENE 3 | E 5 | ENE 5 | E 6 | E 6 | ENE 5 | ENE 5 | E 5 | ENE 5 |
| kJ | — | 2 | 1 | 8 | 4 | 2 | 8 | 2 | — | 1 | — | 2 | 19 | 4 | 22 | 23 | 4 | 8 | 20 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 4 | — | — | — | — | — | NNW 2 | — | — | — | — | NE 5 | NNW 2 | N 3 | — | — | — | — |
| kJ | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | 3 | 1 | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1632 | 871 | 1162 | 1064 | 1100 | 1131 | 1285 | 1137 | 1241 | 1899 | 289 | 959 | 2455 | 232 | 289 | 2192 | 1715 | 2094 | 2134 | 1718 |
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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