Surf Forecasts:
Zaga (Koroni) surf forecast from 11 Sep 2026:
Best Forecast Surf Conditions for Zaga (Koroni) this week:
The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Monday (Sep 14) at 12AM.
The Lowdown
Alright folks, Rusty here. Let's be straight with you – the outlook for this stretch of coast is a long, dry spell.
To kick things off, if you’re heading to Zaga (Koroni), you’re looking at water that’s much warmer than normal for this time of year, sitting at 84°F.
Right out of the gate, from now through most of the next two weeks, it’s a total bust. We’ve got a massive gap of nearly two weeks before anything even registers. From the 11th of September all the way until the 24th of September, the wave energy here is completely flat – a big fat zero (0). The wind is often offshore or glassy, which would be perfect, but there’s simply no swell to work with.
Finally, around the 24th of September, we see a whisper of life. On Thursday morning, a weak swell from the SE pushes in at 1ft with a short period of 3 seconds. The combined energy is a meagre 3. This isn't surf, it's barely a ripple. The following days keep offering tiny waves – 1.0ft and 0.7ft – with period under 5 seconds. The energy levels stay in the low single digits (2-4).
Honestly, there are no standouts here. The whole 16-day window is a write-off. Not a single decent wave on offer. It’s a rare and frustratingly flat run for this spot. The conditions look clean enough for a paddleboard if you’re desperate, but there’s nothing for a surfer to work with.
Stay patient, mates. This one’s a stinger.
Rusty.
Short Range ForecastMostly dry. Warm (max 31°C on Sat afternoon, min 24°C on Sun night). Winds increasing (calm on Fri morning, fresh winds from the WNW by Sun afternoon). | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Tue afternoon. Warm (max 27°C on Mon afternoon, min 22°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | W 5 | W 5 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | NW 5 | WNW 5 | WNW 5 | WNW 5 | W 4 | WNW 4 | WNW 4 | NW 5 | — | NNW 2 | — | — | — | — | — |
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 | glassy | cross-off | off | off | off | off | off | off | off | off | cross-off | cross | glassy | cross-on | glassy | cross-off | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 4:21PM0.11m | 4:55AM0.11m | 4:52PM0.11m | 5:20AM0.11m | 5:22PM0.10m | 5:45AM0.11m | 5:49PM0.09m | 6:08AM0.10m | 6:15PM0.08m | 6:30AM0.10m | 6:43PM0.07m | 6:54AM0.09m | 7:05PM0.06m | ||||||||
Low Tide | 10:28AM0.02m | 10:43PM0.00m | 11:01AM0.02m | 11:08PM0.01m | 11:33AM0.02m | 11:31PM0.01m | 12:06PM0.02m | 11:56PM0.02m | 12:39PM0.03m | 00:13AM0.03m | 1:23PM0.04m | 00:30AM0.04m | 2:15PM0.04m | 00:38AM0.05m | |||||||
 | |  | | | | | | | | | |  | |  | | | | | | | |
 | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — |
 | — | 7:45 | — | — | 7:45 | — | — | 7:43 | — | — | 7:42 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 2 | 3 | — | — | — | — | — |
Temp °C | 27 | 29 | 28 | 28 | 31 | 28 | 31 | 30 | 26 | 26 | 27 | 25 | 25 | 25 | 24 | 23 | 25 | 24 | 24 | 25 | 25 |
Feels °C | 30 | 30 | 30 | 30 | 32 | 28 | 30 | 26 | 25 | 28 | 24 | 25 | 25 | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | W 5 | W 5 | W 4 | W 4 | W 4 | W 4 | WNW 5 | — | WNW 5 | WNW 5 | W 4 | WNW 4 | WNW 4 | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 3 | 1 | 1 | 3 | 8 | — | 15 | 4 | 1 | 3 | 2 | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 3 | — | W 6 | — | — | NW 5 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WNW 4 | WNW 4 | WNW 4 | WNW 4 | NW 5 | WNW 5 | — | — | — | — | — | — | — | NNW 2 | — | — | — | — | — |
| kJ | — | — | 5 | 6 | 5 | 11 | 27 | 57 | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 876 | 1487 | 1074 | 955 | 1203 | 293 | 267 | 2213 | 254 | 311 | 2138 | 353 | 2424 | 2463 | 1269 | 956 | 2138 | 1220 | 1028 | 1279 | 955 |
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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