Surf Forecasts:
Zaga (Koroni) surf forecast from 18 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 9AM (local time) - 0.5ft (0.2m), 2s period, ESE swell with 1 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 0.2m 2s and forecast to arrive on Thursday (Aug 20) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Sunday (Aug 23) at 6AM.
| Wave Type | Time (EEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9AM (Thu 20th Aug) | 0.5ft (0.2m) 2s |
Table - best surf conditions forecast for Zaga (Koroni) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let me tell you straight up, it’s gonna be a tough stretch for getting wet around here. We’re looking at a full 16-day run with absolutely nothing to get excited about.
The whole period from now through to Wednesday, September 2nd is a total bust for waves. There’s just no swell energy hitting the coast. The combined swell energy is sitting at a big fat zero (0) the entire time. You’ll see plenty of glassy mornings and clean afternoons, but without any waves to push through, it’s all for nothing.
The only spot on the map is Zaga (Koroni). It’s a sheltered setup that rarely breaks, and this forecast proves it. The water is running at 83°F which is much warmer than normal for this time of year, but that’s the only highlight. There’s a little bump of 0.7 ft from the ESE on Thursday morning the 20th of August with a 2-second period, but that’s not even worth paddling out for. It’s poor surf conditions across the board.
If you’re desperate for a paddle, you’ll at least have some nice wind conditions. We’ve got glassy spells and offshore breezes from the NNW on several mornings, but with no swell, it’s just a flat, pretty lake. Honestly, this stretch is one of those blank runs that just happens in a sheltered area like this. The weather is fine, but don’t bother loading the boards. Forecasts can change, but for now, the story is simple: no waves.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 33°C on Mon morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 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) | W 3 | W 4 | WNW 3 | W 4 | W 4 | ESE 2 | WSW 6 | WNW 2 | — | WNW 4 | WNW 4 | WNW 4 | WNW 4 | W 5 | W 5 | W 5 | W 5 | WNW 4 | W 5 | W 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 1 | 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 | cross-off | off | glassy | cross | off | glassy | cross | off | glassy | cross | off | off | cross-off | off | glassy | cross | 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 | 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 | |||||||||
 |  | | | | | | | | | | | | | | | | | | | |
 | — | — | 6:52 | — | — | 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 | 30 | 27 | 27 | 29 | 28 | 28 | 29 | 29 | 29 | 31 | 28 | 30 | 32 | 29 | 29 | 30 | 30 | 33 | 32 | 31 |
Feels °C | 28 | 27 | 29 | 30 | 30 | 29 | 29 | 30 | 30 | 32 | 29 | 32 | 33 | 30 | 30 | 32 | 30 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | — | W 4 | W 4 | WSW 4 | W 4 | W 5 | W 6 | — | — | WNW 4 | W 4 | WNW 5 | — | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 4 |
| kJ | — | 3 | 3 | 2 | 1 | 2 | 3 | — | — | 1 | 3 | 4 | — | 7 | 18 | 13 | 8 | 8 | 7 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 5 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 |
| kJ | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | NNW 3 | WNW 3 | W 4 | — | ESE 2 | WSW 6 | WNW 2 | — | — | WNW 4 | WNW 4 | WNW 4 | W 5 | — | — | — | WNW 4 | — | — |
| kJ | 8 | 1 | 4 | 3 | — | 1 | 7 | 1 | — | — | 10 | 11 | 15 | 11 | — | — | — | 15 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2649 | 1224 | 788 | 2424 | 1716 | 1716 | 2321 | 1266 | 1228 | 1203 | 1123 | 1028 | 2120 | 958 | 964 | 1849 | 1036 | 876 | 955 | 1047 |
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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