Surf Forecasts:
Zaga (Koroni) surf forecast from 17 Aug 2026:
Best Forecast Surf Conditions for Zaga (Koroni) this week:
The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Aug 22) at 6PM.
The Lowdown
Alright, let me be straight with you. This is a tough one to call. I've been looking at Zaga (Koroni) for the next 16 days and to be honest, there's just nothing happening on the surf front. The forecast shows zero swell energy for the entire period, day after day, right through to the 1st of September. That flat spell is a solid 16-day stretch with no surf to speak of.
Zaga is a sheltered spot and it rarely breaks as it is, so a blank run like this is kind of normal for the area. The water is sitting at a warm 83°F, which is much warmer than usual for this time of year, but you won't need a wetsuit for paddling around on a board with no waves.
We do get a brief flicker of life right at the very end. On the morning of the 28th of August, a tiny 1ft swell from the SSW shows up, but with a period of only 3 seconds, it’s just wind chop with no power. The combined swell energy is a measly 2 (two). Even though the wind is offshore from the WNW, there's just not enough wave to push a surfer around. For kite surfing, that afternoon might be more interesting as the wind picks up to 22 mph, but for a paddle surfer, it’s a no-go.
Honestly, for any proper waves, you're looking at a drought. The best bet is to keep an eye on the forecasts; it tends not to stay this poor forever. For now, the water is flat and clean, which is great for a swim.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Tue morning, min 24°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 33°C on Sat afternoon, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | — | WSW 2 | NW 3 | NW 3 | W 4 | WSW 4 | W 5 | W 5 | W 6 | W 5 | WSW 6 | WNW 4 | NW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | W 5 | W 5 | W 6 |
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 | cross-off | cross-off | off | off | cross-off | off | glassy | cross | cross-off | glassy | cross | off | cross-off | cross-off | off | off | off | off | off | off | off |
High Tide | 6:48PM0.08m | 7:34AM0.09m | 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 | ||||||||
Low Tide | 1:17PM0.04m | 1:07AM0.03m | 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 | |||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 8:21 | — | — | 8:20 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 28 | 27 | 29 | 29 | 27 | 27 | 29 | 27 | 27 | 29 | 27 | 28 | 31 | 28 | 31 | 33 | 28 | 33 | 34 | 30 |
Feels °C | 27 | 28 | 27 | 29 | 27 | 27 | 29 | 30 | 28 | 28 | 30 | 28 | 29 | 30 | 29 | 31 | 33 | 27 | 33 | 35 | 30 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | WSW 4 | W 5 | WSW 5 | W 6 | W 5 | W 5 | WNW 4 | WNW 4 | W 4 | W 4 | WNW 4 | — | W 4 | W 5 | WSW 5 | W 6 |
| kJ | — | — | — | — | — | 3 | 8 | 4 | 6 | 5 | 2 | 2 | 3 | 1 | 4 | 4 | — | 6 | 11 | 8 | 16 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 7 | W 6 | W 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 2 | NW 3 | NW 3 | W 4 | — | NW 3 | W 5 | — | — | WSW 6 | — | NW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | N 3 | W 5 | — |
| kJ | — | 1 | 2 | 2 | 12 | — | 1 | 7 | — | — | 7 | — | 9 | 6 | 12 | 12 | 34 | 11 | 1 | 16 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1266 | 2213 | 1006 | 956 | 1225 | 788 | 788 | 1235 | 1203 | 1203 | 2189 | 1203 | 1382 | 1294 | 1162 | 876 | 1326 | 876 | 1203 | 2321 | 254 |
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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