Surf Forecasts:
Zaga (Koroni) surf forecast from 16 Aug 2026:
Best Forecast Surf Conditions for Zaga (Koroni) this week:
The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Friday (Aug 21) at 6AM.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – the outlook for the next 16 days around Zaga (Koroni) is a bit of a bummer, to be honest. There’s just not a whole lot of swell on the table.
Looking at the forecast, the only real wave energy we see is a tiny pulse on Sunday morning, August 16th. We’re talking about a weak 1.0ft swell from the SW with a period of only 4 seconds – that’s pretty gutless, with combined energy of just 2 (2). The morning wind is a light cross-off from the NNW at 6 mph, which would keep the surface clean, but the waves themselves are just too small and weak to get excited about. The water temperature is sitting at 83°, which is a notable 4° warmer than usual for this time of year, so the water will feel like a bath.
After that brief flash, the rest of the 16-day window is a total blank. From Sunday afternoon on August 16th all the way through to Monday, August 31st, there’s zero swell energy showing up. The combined energy is a flat zero for every single session. The winds are often light and clean, with some glassy mornings, but without any waves to ride, it doesn’t matter.
Zaga is a sheltered spot that rarely breaks, and this forecast confirms it. When there’s no swell, that’s just the nature of the place. It’s a spot that needs a decent push of SSE swell to light up, and we’re not seeing that in this window. Honestly, if you’re desperate for a paddle, the Sunday morning window on August 16th is the only chance, but don’t expect much.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 24°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 32°C on Fri afternoon, min 26°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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 4 | SW 3 | NW 3 | NW 3 | W 3 | NW 3 | NW 3 | W 4 | WSW 4 | W 5 | WSW 5 | WSW 5 | W 5 | W 3 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | NW 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 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 | cross-off | cross-off | off | off | cross-off | off | glassy | cross | cross-off | glassy | cross-off | off | off | cross-off | off | off | cross-off | off |
High Tide | 6:17PM0.09m | 7:04AM0.10m | 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 | ||||||||
Low Tide | 12:37PM0.03m | 00:43AM0.02m | 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 | |||||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 8:22 | — | — | 8:21 | — | — | 8:20 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 27 | 29 | 27 | 29 | 30 | 27 | 27 | 28 | 28 | 28 | 30 | 28 | 29 | 32 | 29 | 30 | 32 | 30 |
Feels °C | 26 | 26 | 26 | 28 | 28 | 27 | 30 | 28 | 27 | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 32 | 28 | 31 | 32 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 4 | — | W 3 | — | — | — | — | — | WSW 4 | W 5 | WSW 5 | WSW 5 | W 5 | W 5 | W 4 | WNW 4 | — | W 5 | WNW 4 | W 4 | — |
| kJ | 2 | — | 1 | — | — | — | — | — | 4 | 8 | 4 | 5 | 2 | 2 | 3 | 4 | — | 4 | 7 | 1 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 3 | NW 3 | NW 3 | W 3 | NW 3 | NW 3 | W 4 | NNW 2 | W 5 | — | — | — | W 3 | WNW 4 | — | WNW 4 | WNW 4 | — | WNW 4 | NW 3 |
| kJ | — | 4 | 1 | 1 | 3 | 2 | 2 | 12 | 1 | 12 | — | — | — | 2 | 6 | — | 11 | 7 | — | 5 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1266 | 2213 | 1266 | 1280 | 2213 | 956 | 956 | 1203 | 1203 | 788 | 1203 | 1020 | 1250 | 2213 | 1280 | 1210 | 1645 | 1263 | 1199 | 2213 | 876 |
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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