Demirciköy Dalya
Istanbul · Türkiye
Rating right now
Demirciköy Dalya is a N-facing sand beach on the Türkiye shoreline, opening onto the Sea of Marmara — it catches NW–NE swell, and offshore SE–SW winds tidy the banks through april–october.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~23.3°C (73.9°F) on average
Jan
8.9°C
48°F · 6.6–11.6°C
Feb
7.9°C
46.2°F · 4.9–10.1°C
Mar
8.2°C
46.8°F · 6.1–9.5°C
Apr
10.5°C
50.9°F · 7.9–14.6°C
May
15.8°C
60.4°F · 11.8–19.8°C
Jun
21.6°C
70.9°F · 17.7–25°C
Jul
24.3°C
75.7°F · 22.3–26.7°C
Aug
25.5°C
77.9°F · 23.7–27.2°C
Sep
23.3°C
73.9°F · 20.3–25.8°C
Oct
19.4°C
66.9°F · 14.8–23.3°C
Nov
15.2°C
59.4°F · 11.8–17.7°C
Dec
11.5°C
52.7°F · 8.6–14.3°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
NW–NE
Best wind
SE–SW
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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