Yeşilköy International Hospital Önü
Istanbul · Türkiye
Rating right now
Yeşilköy International Hospital Önü is a SE-facing sand beach on the Sea of Marmara coastline near Istanbul — it picks up E–S swell and turns cleanest in a W–N wind, with the most consistent surf through april–october.
Today's surf at Yeşilköy International Hospital Önü
Updated 03:21 spot time
Yeşilköy International Hospital Önü surf report for Thursday 1 Oct: waves 0.2 m–0.5 m knee to waist high, 0.1 m ESE swell at 2.75 s. Wind up to 27 km/h NE. Water 21°C. Best surf window around 17:00 — poor (1.5/5) with 23 km/h NE wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~19.4°C (66.9°F) on average
Jan
9.4°C
48.9°F · 6.1–12.1°C
Feb
8.7°C
47.7°F · 6.2–10.9°C
Mar
9.1°C
48.4°F · 6.4–10.8°C
Apr
11.5°C
52.7°F · 8.5–15.6°C
May
16.4°C
61.5°F · 12.8–20.8°C
Jun
21.2°C
70.2°F · 17.8–24.5°C
Jul
23.8°C
74.8°F · 21.9–26.5°C
Aug
24.6°C
76.3°F · 22.9–26.5°C
Sep
22.9°C
73.2°F · 20.2–25.3°C
Oct
19.4°C
66.9°F · 15.2–22.5°C
Nov
15.3°C
59.5°F · 12–17.8°C
Dec
12°C
53.6°F · 9.1–15.3°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
E–S
Best wind
W–N
Break type
Beach break
Best season
April–October
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back.
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