Surf Forecasts:
Zaga (Koroni) surf forecast from 18 Jul 2026:
- Most powerful swell: Saturday 25 Jul, 12AM (local time) - 2ft (0.6m), 5s period, SW swell with 21 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 Saturday (Jul 25) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 8s period and expected on Saturday (Jul 25) at 9AM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Sat 25th Jul) | 2ft (0.6m) 5s |
Table - best surf conditions forecast for Zaga (Koroni) over the next 16 days.
The Lowdown
Alright mate, Rusty here. Let's get into it for Zaga (Koroni). And I'll be honest, it’s a tough stretch. Over the full 16 days, there’s next to no surf to talk about. The first few days up through Friday the 24th of July see absolutely no wave energy. The water is much warmer than normal at about 81°, but that doesn't put you in a barrel.
Come Friday the 24th of July afternoon, we see a small SE swell trying to show itself at about 0.5ft with a short 3-second period. Combined wave energy is only 4, which is weak. Winds are cross-onshore and chop the surface, so it’s a write-off.
From the 25th to 26th of July, the swell dies completely, with combined energy dropping to just 1. Any tiny bump is gone. Then from the morning of the 27th of July through to the end of the period, everything reads zero again. Glassy conditions show up here and there, like the 29th and 30th of July mornings, but without swell, clean conditions are useless.
There’s nothing to get excited about. It’s a blank run that’s just normal for this spot when the ocean shuts off. Keep an eye on things because forecasts can shift, but right now, it's a flat spell.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Sat afternoon, min 27°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 33°C on Wed morning, min 24°C on Wed night). Winds decreasing (fresh winds from the WNW on Thu afternoon, light winds from the NNW by Thu night). | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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) | WSW 3 | W 3 | NW 3 | — | W 4 | NW 3 | W 3 | — | — | — | — | WNW 2 | W 4 | WNW 6 | WNW 6 | WNW 5 | NW 5 | W 4 | SE 3 | W 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross | off | glassy | cross | off | glassy | cross | off | off | cross-off | off | off | cross-off | off | cross-on | cross-on | off |
High Tide | 6:52PM0.10m | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Temp °C | 30 | 28 | 29 | 30 | 29 | 29 | 29 | 29 | 30 | 31 | 29 | 33 | 33 | 29 | 31 | 30 | 26 | 26 | 27 | 26 |
Feels °C | 30 | 31 | 30 | 30 | 32 | 30 | 30 | 32 | 31 | 33 | 30 | 32 | 33 | 28 | 29 | 25 | 24 | 25 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | NW 4 | W 3 | — | — | W 4 | — | W 3 | — | — | — | — | — | — | W 6 | W 6 | — | WNW 5 | W 4 | W 4 | WSW 6 |
| kJ | 1 | 1 | — | — | 1 | — | 1 | — | — | — | — | — | — | 30 | 18 | — | 13 | 3 | 1 | 100 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | W 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | NW 3 | — | WNW 4 | NW 3 | — | — | — | — | — | WNW 2 | W 4 | WNW 6 | WNW 6 | WNW 5 | NW 5 | — | SE 3 | W 6 |
| kJ | 3 | — | 2 | — | 1 | 2 | — | — | — | — | — | 1 | 12 | 64 | 37 | 82 | 35 | — | 4 | 151 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2691 | 1382 | 1250 | 2590 | 2121 | 2120 | 2213 | 2121 | 2085 | 2213 | 1249 | 1073 | 1235 | 285 | 267 | 2321 | 353 | 484 | 1139 | 61 |
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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