Mykonos (GRJMK) — marine weather & port guide
Mykonos is a port in Greece at 37°27.0′N 25°20.0′E. Today (Aug 3): NNW wind 10–14 kn, waves 0.5–0.7 m, from the ECMWF IFS run 2026-08-03 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 37°27.0′N 25°20.0′E |
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| UN/LOCODE | GRJMK |
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| Harbor size | Very small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Poor |
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| Channel depth | 5 m |
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| Anchorage depth | 20 m |
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| Tide range | 0 m |
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| Time zone | Europe/Athens |
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10-day marine forecast — Mykonos
| Date | Wind | Gusts | Waves |
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| NNW 10–14 kn | 19 kn | 0.5–0.7 m |
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| N 12–18 kn | 23 kn | 0.4–1.0 m |
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| NNW 15–19 kn | 24 kn | 0.7–1.0 m |
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| NNW 11–19 kn | 24 kn | 0.7–1.0 m |
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| NNW 7–16 kn | 20 kn | 0.5–0.8 m |
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| NNW 15–21 kn | 27 kn | 0.6–1.1 m |
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| N 19–21 kn | 26 kn | 1.0–1.3 m |
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| N 21–21 kn | 27 kn | 1.3–1.3 m |
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| N 22–22 kn | 30 kn | 1.6–1.6 m |
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| N 22–22 kn | 30 kn | 1.5–1.5 m |
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Forecast from the ECMWF IFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
Frequently asked
How is the weather at Mykonos right now?
As of the ECMWF IFS run 2026-08-03 12z: NNW wind 10–14 kn, waves 0.5–0.7 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Mykonos?
Mykonos is classed as a very small harbor (coastal natural harbor), with poor shelter in the NGA World Port Index.
How deep is the approach to Mykonos?
Per the NGA World Port Index, the entrance channel carries about 5 m and anchorage depths run about 20 m. Verify against current official charts before entry.