Surf Forecasts:
Zaga (Koroni) surf forecast from 19 Jul 2026:
- Most powerful swell: Saturday 25 Jul, 12AM (local time) - 2.5ft (0.7m), 4s period, SW swell with 18 kJ wave energy.
Best Forecast Surf Conditions for Zaga (Koroni) this week:
The most powerful waves expected at Zaga (Koroni) in the next 16 days are 0.7m 4s and forecast to arrive on Saturday (Jul 25) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 9s period and expected on Saturday (Jul 25) at 9PM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Sat 25th Jul) | 2.5ft (0.7m) 4s |
Table - best surf conditions forecast for Zaga (Koroni) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a good, hard look at what’s coming up.
Right off the bat, I gotta be straight with you – this is a tough one. The outlook for the next 16 days shows a serious dry spell. We’re looking at a long stretch of flatness with no swell to speak of for the first several days. From the 19th of July right through to the 24th, there’s just nothing. The water’s gonna be glassy and clean, but the ocean is like a lake. Not a ripple worth paddling for.
Then, on Friday the 24th of July, we finally get a tiny pulse of life. In the afternoon, a tiny 1 ft swell from the SE pushes in, but it’s got a short period of just 2 seconds – that’s windswell, not groundswell. The combined energy is basically nothing (1). The wind is howling cross-onshore at 15 mph, so it’s going to be choppy and messy. This is a “stay on the beach” kind of day.
The rest of the run is more of the same. From the 25th of July all the way to the 3rd of August, the charts show a big, fat zero for wave energy. The winds will be light and often clean, but without any swell to work with, it’s just a flat, pretty ocean. Zaga (Koroni) is a sheltered spot that rarely breaks anyway, and this forecast confirms it’s gonna be a long wait.
So, the brutal truth is there are no standouts here. No hidden gems, no sneaky swell windows. This is a complete blank for the entire 16-day window. If you’re in the area, it’s a time for cleaning the wax off your board, not using it. It’s a normal, if frustrating, pattern for this spot.
Rusty out.
Short Range ForecastMostly dry. Warm (max 31°C on Tue afternoon, min 27°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Fri afternoon. Warm (max 35°C on Wed afternoon, min 25°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Thu night). | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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) | W 3 | WNW 3 | W 2 | WNW 4 | WNW 3 | W 3 | — | WNW 3 | — | NW 3 | WNW 4 | WNW 4 | W 5 | WNW 5 | WNW 4 | NW 4 | W 4 | SE 2 | SSW 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross | off | glassy | cross | off | glassy | cross | off | off | off | off | cross-off | off | off | cross | cross-on | off |
High Tide | 8:12AM0.09m | 7:27PM0.08m | 9:04AM0.09m | 8:03PM0.07m | 10:03AM0.09m | 9:22PM0.06m | 11:18AM0.09m | 00:20AM0.06m | 12:27PM0.09m | 1:51AM0.06m | 1:26PM0.09m | 2:45AM0.07m | |||||||
Low Tide | 1:37AM0.01m | 2:01PM0.04m | 2:10AM0.02m | 3:01PM0.05m | 2:48AM0.03m | 4:27PM0.05m | 3:27AM0.04m | 6:36PM0.05m | 8:05PM0.04m | 6:04AM0.05m | 8:46PM0.03m | ||||||||
 |  | | | | | | | | | | | | | | | |  |  | |
 | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:30 | — | — |
 | 8:49 | — | 8:49 | — | — | 8:47 | — | — | 8:47 | — | — | 8:46 | — | — | 8:45 | — | — | 8:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 |
Temp °C | 28 | 29 | 30 | 28 | 29 | 30 | 29 | 30 | 31 | 29 | 33 | 35 | 30 | 29 | 31 | 27 | 26 | 27 | 23 |
Feels °C | 31 | 30 | 30 | 31 | 30 | 31 | 31 | 31 | 32 | 30 | 32 | 33 | 29 | 30 | 32 | 25 | 24 | 27 | 19 |
Swell 1 Height (m) Direction Period (s) | W 3 | — | — | — | — | W 3 | — | WNW 3 | — | W 3 | — | — | W 5 | — | — | WNW 4 | W 4 | — | SSW 4 |
| kJ | 1 | — | — | — | — | 1 | — | 1 | — | 1 | — | — | 13 | — | — | 6 | 1 | — | 13 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WNW 3 | W 2 | WNW 4 | WNW 3 | — | — | — | — | NW 3 | WNW 4 | WNW 4 | — | WNW 5 | WNW 4 | NW 4 | — | SE 2 | SW 5 |
| kJ | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 2 | 5 | 28 | — | 11 | 21 | 14 | — | 1 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1464 | 1210 | 2590 | 2122 | 2121 | 2213 | 2122 | 2121 | 2213 | 991 | 991 | 2213 | 267 | 254 | 2376 | 991 | 1228 | 1225 | 881 |
Best forecast wave conditions in Pelloponisos | |||||||||||||||||||
Best forecast wave conditions in Greece | |||||||||||||||||||
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Information about the Zaga (Koroni) Surf forecast
The above surf forecast table for Zaga (Koroni) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Zaga (Koroni) can be found by selecting the local surf guide option on the grey menu. Our Zaga (Koroni) 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 (Zaga (Koroni)) 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 Zaga (Koroni) 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.
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