Surf Forecasts:
Zaga (Koroni) surf forecast from 13 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 6AM (local time) - 1.5ft (0.4m), 5s period, SW swell with 7 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 0.4m 5s and forecast to arrive on Sunday (Aug 16) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Aug 15) at 9PM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6AM (Sun 16th Aug) | 1.5ft (0.4m) 5s |
Table - best surf conditions forecast for Zaga (Koroni) over the next 16 days.
The Lowdown
Alright, Rusty here. Let's take a look at what we've got on the cards for the Zaga (Koroni) region.
It’s a tough one to call right now, because the forecast for the next 16 days is a real flat spell. The first tiny bit of movement doesn't show up until Thursday afternoon, the 14th, but it's barely a ripple and not worth paddling out for. From the 14th right through to the 28th of August, it's a long, dry stretch. The breaks just aren't picking up any significant energy. On the plus side, the water is sitting at a very warm 83°, which is much warmer than usual for this time of year, so if you are just going for a swim, you are in luck.
Honestly, there isn't a single standout session or break to recommend for surfing in this entire window. The few times the swell height creeps up to 1 ft, the combined swell energy is weak, measuring only 1 to 7, and with short periods around 2 to 4 seconds, it’s just not going to produce a wave worth riding. Even the glassy morning conditions on the 20th and 25th of August offer clean water but no swell to push you along.
For an area that rarely breaks, a blank run like this is a bit more normal, but don’t let it get you down. Forecasts can change quickly, and it won't stay this quiet forever.
- Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 31°C on Thu morning, min 25°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Mon afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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) | — | SW 2 | W 4 | NW 4 | SW 3 | WNW 4 | NW 4 | SW 3 | SW 5 | SW 4 | SW 4 | — | WNW 3 | W 3 | WNW 3 | NW 4 | WNW 3 | NW 3 | NW 3 | W 4 | WNW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 7 | 5 | 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 | cross-off | cross-on | off | cross-off | cross | cross-off | cross-off | cross | cross-off | off | cross-off | off | off | cross-off | off | off | cross-off | off | off | cross | off |
High Tide | 4:43PM0.12m | 5:33AM0.10m | 5:16PM0.11m | 6:05AM0.10m | 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 | ||||||||
Low Tide | 10:44AM0.02m | 11:23PM-0.01m | 11:22AM0.02m | 11:51PM-0.00m | 12:00PM0.03m | 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 | |||||||
 | |  | | | | |  |  | | | | | | | | | | | | | |
 | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 8:25 | — | — | 8:24 | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:20 | — | — | 8:19 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 31 | 30 | 30 | 31 | 30 | 29 | 28 | 29 | 27 | 28 | 29 | 27 | 27 | 30 | 27 | 28 | 30 | 28 | 29 | 30 | 28 |
Feels °C | 30 | 28 | 30 | 30 | 29 | 31 | 27 | 27 | 29 | 28 | 27 | 28 | 28 | 27 | 27 | 29 | 30 | 29 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | — | — | W 4 | NW 4 | — | WNW 4 | NW 4 | — | SW 5 | SW 4 | — | — | — | — | — | NW 4 | — | WSW 4 | W 4 | — | W 4 |
| kJ | — | — | 1 | 1 | — | 1 | 1 | — | 11 | 7 | — | — | — | — | — | 3 | — | 2 | 3 | — | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | E 7 | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | — | — | — | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 2 | — | — | SW 3 | — | — | SW 3 | — | — | SW 4 | — | WNW 3 | W 3 | WNW 3 | — | — | NW 3 | NW 3 | W 4 | WNW 4 |
| kJ | — | 1 | — | — | 2 | — | — | 3 | — | — | 5 | — | 1 | 2 | 4 | — | — | 2 | 3 | 9 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1180 | 2224 | 226 | 2201 | 2321 | 964 | 966 | 2208 | 226 | 311 | 2272 | 1269 | 1058 | 2321 | 1268 | 1239 | 1487 | 955 | 1224 | 1235 | 2143 |
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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