Surf Forecasts:
Zaga (Koroni) surf forecast from 9 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 3AM (local time) - 1ft (0.3m), 3s period, SW swell with 2 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 0.3m 3s and forecast to arrive on Sunday (Aug 16) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Sunday (Aug 09) at 9PM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 3AM (Sun 16th Aug) | 1ft (0.3m) 3s |
Table - best surf conditions forecast for Zaga (Koroni) over the next 16 days.
The Lowdown
Alright, let’s get this straight. I’ve looked at the charts for the next couple of weeks, and I’m not going to sugarcoat it: it’s flat out grim for Zaga (Koroni). We’re looking at a long stretch of nothing, and I mean nothing, for the foreseeable future.
The 16-day window is basically a write-off for any sort of rideable surf. The only tiny blips of energy don’t even register as waves you’d paddle for. You’re going to see a whole lot of glassy, clean water, but it’s just that – water. Don’t get your hopes up.
The first sign of any pulse, and I’m using that term loosely, shows up on Wednesday, August 12th. We’re talking a 0.3ft dribble from the southeast with a period of 4 seconds. That’s less than a ripple. The combined energy is a weak 1, which tells you everything you need to know. It’s not surf, it’s a lake.
Then things go quiet again until the following Sunday, August 16th. There’s a tiny bit more push with a 1ft swell from the southwest in the morning, and the wind is glassy – which would be a huge plus if there was any wave to ride. But the period is still a pathetic 4 seconds. The afternoon sees a slightly bigger 1ft, but a moderate cross-shore wind messes up the surface. Still, the combined energy is only 2. This is not worth the drive.
After that, it’s back to a dead calm. There are a couple of days with light offshore winds, which would be prime if we had any swell, but we don't. The water is a touch warmer than normal for this time of year, sitting around 82°, but you won’t feel it while you’re sitting on the beach staring at a flat ocean.
The last little tease comes on August 23rd, with a 0.3ft from the south, but again, it’s nothing. The wind picks up strong in the afternoon, which might make it interesting for a kite, but for a surfboard, forget it.
Look, this spot is sheltered and rarely breaks under the best of conditions. With zero swell on the horizon, this blank run is more normal than not. The forecast can change, but right now, there’s not a single good surf option in this entire 16-day window. I’d hang up the board for a couple of weeks if I were you.
Rusty
Short Range ForecastMostly dry. Warm (max 34°C on Mon morning, min 28°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 33°C on Wed afternoon, min 27°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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) | W 3 | W 4 | W 4 | W 4 | SE 4 | WNW 5 | W 2 | W 4 | SE 4 | WNW 4 | W 4 | — | — | W 3 | W 5 | E 6 | WNW 4 | — | E 8 | SW 3 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:10AM0.08m | 2:49PM0.12m | 3:49AM0.09m | 3:30PM0.12m | 4:25AM0.09m | 4:08PM0.12m | 5:00AM0.10m | 4:43PM0.12m | 5:33AM0.10m | 5:16PM0.11m | 6:05AM0.10m | 5:47PM0.10m | ||||||||
Low Tide | 9:06PM0.01m | 8:34AM0.04m | 9:44PM0.00m | 9:21AM0.03m | 10:19PM-0.00m | 10:04AM0.02m | 10:52PM-0.01m | 10:44AM0.02m | 11:23PM-0.01m | 11:22AM0.02m | 11:51PM-0.00m | 12:00PM0.03m | 00:18AM0.01m | |||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — |
 | 8:30 | — | — | 8:30 | — | — | 8:28 | — | — | 8:27 | — | — | 8:25 | — | — | 8:24 | — | — | 8:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 33 | 32 | 34 | 33 | 31 | 34 | 34 | 31 | 34 | 33 | 30 | 31 | 32 | 31 | 33 | 32 | 30 | 32 | 31 | 28 |
Feels °C | 30 | 31 | 33 | 32 | 33 | 33 | 32 | 32 | 32 | 33 | 32 | 29 | 31 | 31 | 32 | 31 | 33 | 31 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | — | W 4 | W 4 | W 4 | WNW 4 | WNW 5 | NW 4 | W 4 | W 4 | WNW 4 | W 4 | — | — | W 3 | W 5 | — | WNW 4 | — | — | SW 3 |
| kJ | — | 1 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 2 | 1 | — | — | 1 | 2 | — | 1 | — | — | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 6 | SE 4 | — | — | — | SE 4 | — | — | — | — | NW 4 | — | — | — | — | — | SE 4 |
| kJ | — | — | — | 1 | 1 | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | E 7 | — | — | W 5 | W 5 | — | E 6 | — | — | W 6 | — | — | — | — | E 6 | E 8 | — | E 8 | — |
| kJ | — | 1 | — | — | 1 | 1 | — | 1 | — | — | 1 | — | — | — | — | 1 | 1 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | W 3 | — | — | — | — | — | W 2 | — | — | WSW 2 | — | — | — | — | N 3 | — | — | — | SW 2 | WSW 3 |
| kJ | 2 | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | 1 | — | — | — | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2272 | 226 | 1908 | 311 | 353 | 956 | 2321 | 353 | 2120 | 2218 | 2122 | 2143 | 311 | 226 | 2208 | 2461 | 226 | 2201 | 2321 | 226 |
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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