Surf Forecasts:
Zaga (Koroni) surf forecast from 15 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 3AM (local time) - 2ft (0.6m), 5s period, SW swell with 13 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 0.6m 5s 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 0.9m 5s period and expected on Saturday (Aug 22) at 9AM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 3AM (Sun 16th Aug) | 2ft (0.6m) 5s |
Table - best surf conditions forecast for Zaga (Koroni) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a proper look at what's on the cards.
Honestly, it’s a pretty bleak picture overall for Zaga (Koroni). We’ve got a 16-day window staring at us, and the first sniff of anything rideable doesn't even show up until late in the run. For the bulk of the next two weeks, you’re looking at a total flat spell. From now through to around the 24th of August, the energy levels are sitting at zero. Dead flat. Glassy mornings and clean afternoons are nice for a swim, but there’s nothing to paddle into. It’s a tough stretch.
The only faint glimmer of a possibility pops up on Monday the 24th of August in the afternoon. The swell shows a tiny pulse from the SSW with a height of only 0.7 ft and a period of just 2 seconds. The combined energy is a measly 1 – that’s barely a ripple. Offshore wind from the WSW will keep it clean, but with that size and period, we're talking about little more than a knee-high bump that's barely breaking. It’s not really surfable for anyone.
For the rest of the forecast, it’s the same story: plenty of offshore and glassy conditions, especially mornings, but no swell to go with them. The wind turns strong offshore towards the end of August – the 27th and 28th – with gusts up to 25 mph, but again, on a completely flat ocean, that’s just a stiff breeze and nothing more.
So here’s the deal: if you’re desperate, maybe bring a longboard for that tiny bump on the 24th, and just enjoy the clean conditions. There are no standout sessions. None. The water temp is sitting at a very warm 83°, which is much warmer than you'd expect for this time of year, so at least a dip in the sea will be pleasant if the surf isn’t.
Keep an eye on it, though. Forecasts change.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 29°C on Sun afternoon, min 24°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 30°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||
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) | SW 3 | SW 5 | SW 4 | WSW 3 | WNW 3 | — | W 3 | NW 3 | WSW 4 | W 4 | WSW 4 | W 5 | WSW 5 | SW 4 | W 7 | W 6 | WNW 3 | NW 4 | WNW 4 | WNW 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2 | 13 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | cross-off | off | off | cross-off | off | off | cross-off | off | glassy | cross-on | cross-off | glassy | cross | off | off | cross-off | off |
High Tide | 5:47PM0.10m | 6:35AM0.10m | 6:17PM0.09m | 7:04AM0.10m | 6:48PM0.08m | 7:34AM0.09m | 7:14PM0.07m | 8:13AM0.09m | 7:39PM0.06m | 9:20AM0.08m | 1:06AM0.05m | 11:58AM0.08m | 2:17AM0.06m | |||||||
Low Tide | 00:18AM0.01m | 12:37PM0.03m | 00:43AM0.02m | 1:17PM0.04m | 1:07AM0.03m | 2:07PM0.04m | 1:35AM0.04m | 3:09PM0.05m | 1:58AM0.05m | 5:33PM0.05m | 2:59AM0.05m | 8:18PM0.04m | ||||||||
 |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:20 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 28 | 29 | 27 | 28 | 29 | 27 | 29 | 30 | 27 | 27 | 28 | 28 | 28 | 30 | 29 | 29 | 31 | 28 |
Feels °C | 26 | 29 | 28 | 27 | 26 | 30 | 27 | 27 | 29 | 28 | 29 | 28 | 29 | 31 | 29 | 30 | 30 | 30 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | E 3 | SW 5 | SW 4 | — | — | — | — | WSW 4 | WSW 4 | — | WSW 4 | WSW 5 | WSW 5 | W 5 | WSW 5 | W 6 | W 5 | WNW 4 | — | W 4 |
| kJ | 1 | 13 | 4 | — | — | — | — | 1 | 1 | — | 4 | 8 | 7 | 4 | 2 | 3 | 1 | 3 | — | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | SW 4 | W 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | — | — | WSW 3 | WNW 3 | — | W 3 | NW 3 | NNW 2 | W 4 | — | W 5 | — | — | — | — | WNW 3 | NW 4 | WNW 4 | WNW 4 |
| kJ | 2 | — | — | 7 | 1 | — | 5 | 2 | 1 | 19 | — | 17 | — | — | — | — | 1 | 8 | 6 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2224 | 1058 | 311 | 2213 | 1058 | 956 | 2321 | 955 | 956 | 1207 | 788 | 712 | 2224 | 1203 | 1353 | 2208 | 1927 | 1716 | 2138 | 1028 |
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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