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Gökçe Dam — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Gökçe Dam, trends, monthly ranges and the forecast for the coming days.

Lake İznik, Turkey
Lake İznik, Turkey © By Arif miletli, CC BY-SA 4.0

Current Water Temperature

27.1°C
Today
28.6°C
Yesterday
27.2°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Gökçe Dam today is 27.1°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From July 31 to August 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2427.2°C29.0°C
AUG 2528.0°C29.0°C
AUG 2628.1°C29.0°C
AUG 2728.1°C29.0°C
AUG 2828.1°C29.0°C
AUG 2928.6°C29.0°C
AUG 3028.6°C29.0°C
AUG 3128.6°C29.0°C
SEP 127.0°C27.1°C
SEP 227.0°C27.1°C
SEP 327.0°C27.1°C
SEP 427.0°C27.1°C
SEP 527.0°C27.1°C
SEP 627.0°C27.1°C
SEP 727.0°C27.1°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January6°C10°C13°C
February8°C12°C15°C
March8°C13°C17°C
April11°C15°C19°C
May13°C20°C26°C
June21°C28°C34°C
July23°C28°C34°C
August24°C29°C34°C
September22°C27°C33°C
October16°C20°C23°C
November11°C15°C19°C
December7°C12°C17°C

Gökçe Dam: Water Temperature by Location

Gökçe Dam: Weather Forecast

September 1

° / °
mainly clear
rain: 0% | wind:

September 2

° / °
mainly clear
rain: 0% | wind:

September 3

° / °
overcast
rain: 0% | wind:

September 4

° / °
overcast
rain: 0% | wind:

September 5

° / °
clear sky
rain: 0% | wind:

September 6

° / °
clear sky
rain: 0% | wind:

Location & Local Information

Gökçe Dam (Turkish: Gökçe Barajı) is a small reservoir near Yalova whose surface water temperatures vary seasonally in line with the Marmara region climate. In winter months the lake can cool to roughly 4–8 °C (39–46 °F), while spring brings a gradual rise into the range of about 8–16 °C (46–61 °F). Peak summer surface temperatures often reach around 20–26 °C (68–79 °F), though shallow bays can warm a few degrees higher on calm, sunny days. During autumn the water typically drops back toward 12–18 °C (54–64 °F). These figures are approximate and can vary by year, depth, time of day and recent weather.

Swimming at reservoirs like Gökçe is often discouraged or regulated rather than universally permitted. Many dams serve as water supply or flood-control facilities, so authorities may restrict access to protect water quality, avoid interference with operations and reduce risk from submerged structures, sudden depth changes and boat traffic. Even where informal bathing occurs in warm months, safety hazards such as steep banks, cold thermoclines below the surface and lack of lifeguards mean caution is warranted. Visitors should observe posted signage and check with local officials before swimming.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Gökçe Dam?
Water Temperature in Gökçe Dam today is 27.1°C.
What is the water temperature in Gökçe Dam during the summer months?
The water temperature in Gökçe Dam in summer fluctuates in the range of 21°C - 34°C.
Is it possible to swim in Gökçe Dam (Turkey) and what are the possibilities for this?
Swimming in Gökçe Dam is often restricted for safety, water-quality and operational reasons, so you should check local regulations and signage and, if permitted, only swim in designated or supervised areas while observing safety precautions.