Advenway
Advenway
Artificial reef Off Karamürsel, Gulf of İzmit, Kocaeli
The colour shows the step on an official scale (sea: WMO code table 3700, wave height; wind: Beaufort scale); it is not a dive decision. This is an open-sea model; sheltered coves are usually calmer.
Sea temperature
19.5°C
Wave height
0 m
Wave period 2 s
Current
0.3 km/h
NE
Wind
4.1 km/h
SSE
Air temperature
15.5°C
Feels like
15.6°C
Humidity
80%
Pressure
1018 hPa
Data: Open-Meteo · These are model forecasts; confirm local conditions with the dive center before you dive.
Numbers are 2023–2025 monthly average water temperatures; colour shows the suggested suit for that month. Tap a month to see the details below. Waves and wind: average of each day’s highest value in that month (Open-Meteo marine model and ERA5); a darker tone means a wavier or windier month for this site. These are open-sea models; sheltered coves are usually calmer.
Hood and gloves recommended.
Typical day: highest wave ~0.2 m, strongest wind ~11 km/h.
2023–2025 average; today’s value is in the current conditions above. This site has no measurement record of its own; the values come from the Değirmendere (Gölcük) measurement point ~14 km away.
Calculate your lead with this suit → Wetsuit thickness chart → My air time at this depth →
5 nearby centres are authorised for nitrox training. See the list →
Centres with a Nitrox specialty registered with the TSSF (checked October 2026). This is a training authorisation; ask the centre about Nitrox fills and rental.
Nitrox depth calculator (MOD) → Flying after diving: at least 12–18 hours (DAN) →
A 26-metre former passenger steamer of Kocaeli Metropolitan Municipality, sunk on 24 December 2013 under the artificial reef project of the Karamürsel Underwater Sports Club Association (KARSAD); it became the first artificial reef in the Gulf of İzmit. It lies at 23-24 metres. It was reported to have disappeared from view during the 2021 marine mucilage, and to have been found and filmed again afterwards.
Underwater cultural assets are covered by Turkish Law no. 2863. Diving at these sites is done only through authorized dive centers and in line with the published rules.
Distances are in a straight line and some coordinates are approximate; the route by boat is longer.
The TSSF-registered centres closest to this site (within 60 km or in the same province). Distance is a straight line to the centre’s registered address; it does not mean the centre runs dives to this site, so ask the centre. All authorised centres →
40.6952011, 29.6171534
Open in the full map
Map: © OpenStreetMap contributors
Corroborated
It appears in at least two independent sources.
About the position on the map
The position is at Karamürsel shore level; no coordinate has been published for the scuttling point.
See the authorized dive centers and the other dive sites in the same province on one page.
Dive sites and centers in Kocaeli → All dive sites in Turkey →