Surf Forecasts:
Zaga (Koroni) surf forecast from 18 Aug 2026:
Best Forecast Surf Conditions for Zaga (Koroni) this week:
The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (Aug 22) at 6PM.
The Lowdown
Alright, this is Rusty. Let’s get into it.
The outlook for the next 16 days is pretty flat. The combined swell energy is zero — a full 16-day stretch with nothing to ride. From right now all the way through September 2nd, there’s not a single wave showing up.
The only spot on the chart is Zaga (Koroni), but it rarely breaks. The water temperature is already 83° — a solid 4° warmer than average for this time of year, which just adds to the weirdness. Zaga needs swell from SSE to work, and we aren’t seeing any of that. The winds will be clean at times, with a few glassy mornings and some light offshore breezes, like on the morning of August 22nd with a 9 mph NW offshore, but none of that matters when there’s zero swell.
A blank run like this for a break that’s as inconsistent as Zaga is pretty normal for the area. It’s a sheltered setup and demands a specific swell direction. If you’re into kite surfing and the wind picks up, the open stretches could be interesting, but for paddle surfing, there’s nothing on the table.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 33°C on Sat afternoon, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | WNW 3 | W 3 | WSW 4 | WNW 3 | W 4 | W 4 | W 5 | WSW 6 | WNW 3 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | W 5 | W 5 | WNW 5 | W 5 | W 5 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | glassy | cross | off | glassy | cross | off | cross-off | cross-off | off | off | off | off | off | cross-on | off | off | cross-off | cross-off |
High Tide | 7:14PM0.07m | 8:13AM0.09m | 7:39PM0.06m | 9:20AM0.08m | 1:06AM0.05m | 11:58AM0.08m | 2:17AM0.06m | 1:10PM0.09m | 2:44AM0.07m | 1:59PM0.10m | 3:08AM0.08m | 2:30PM0.10m | 3:27AM0.08m | ||||||||
Low Tide | 2:07PM0.04m | 1:35AM0.04m | 3:09PM0.05m | 1:58AM0.05m | 5:33PM0.05m | 2:59AM0.05m | 8:18PM0.04m | 8:38PM0.03m | 7:26AM0.05m | 9:02PM0.02m | 8:12AM0.05m | 9:24PM0.02m | |||||||||
 | |  | | | | | | | | | | | | | | | | |  | | |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | 8:20 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — | — | 8:13 | — | — | 8:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 30 | 27 | 27 | 29 | 28 | 28 | 30 | 28 | 29 | 31 | 28 | 31 | 33 | 28 | 30 | 30 | 31 | 35 | 35 | 32 |
Feels °C | 29 | 28 | 27 | 29 | 30 | 30 | 29 | 31 | 29 | 29 | 33 | 29 | 32 | 32 | 29 | 31 | 33 | 30 | 34 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | W 3 | — | WSW 4 | W 4 | WSW 4 | W 4 | W 5 | W 5 | — | WNW 4 | WNW 4 | W 4 | WNW 4 | W 5 | W 4 | W 5 | W 5 | W 5 | W 5 | W 5 | W 4 |
| kJ | 1 | — | 3 | 3 | 2 | 3 | 2 | 2 | — | 1 | 2 | 3 | 12 | 4 | 6 | 17 | 13 | 7 | 8 | 7 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 8 | W 7 | W 6 | W 5 | — | — | — | — | — | — | — | — | — | — | NW 5 | WNW 5 |
| kJ | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | W 3 | NNW 3 | WNW 3 | W 4 | — | — | WSW 6 | WNW 3 | — | — | WNW 4 | — | WNW 4 | WNW 4 | — | — | WNW 5 | — | — | — |
| kJ | 2 | 11 | 1 | 3 | 3 | — | — | 7 | 1 | — | — | 9 | — | 18 | 11 | — | — | 13 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 955 | 1487 | 1203 | 788 | 2397 | 2162 | 1414 | 2321 | 1239 | 1228 | 1239 | 1074 | 1123 | 2120 | 876 | 876 | 2120 | 267 | 955 | 1239 | 353 |
Best forecast wave conditions in Pelloponisos | |||||||||||||||||||||
Best forecast wave conditions in Greece | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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