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Bacău — Current Water Temperature, Annual Trends and Forecast

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

Siret River, Romania
Siret River, Romania © By Cezar Suceveanu, CC BY 3.0

Current Water Temperature

9.6°C
Today
9.5°C
Yesterday
10.9°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 Bacău today is 9.6°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 October 2 to November 2

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2610.9°C13.0°C
OCT 2710.5°C13.0°C
OCT 2810.4°C13.0°C
OCT 2910.2°C13.0°C
OCT 309.8°C13.0°C
OCT 319.7°C13.0°C
NOV 19.5°C9.0°C
NOV 210.0°C9.0°C
NOV 39.0°C9.6°C
NOV 49.0°C9.5°C
NOV 59.0°C9.5°C
NOV 69.0°C9.5°C
NOV 79.0°C9.5°C
NOV 89.0°C9.4°C
NOV 99.0°C9.4°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
January1°C6°C9°C
February1°C5°C9°C
March2°C7°C11°C
April6°C11°C15°C
May9°C14°C18°C
June15°C19°C24°C
July16°C20°C25°C
August16°C21°C26°C
September13°C18°C22°C
October9°C13°C16°C
November6°C9°C12°C
December2°C6°C9°C

Bacău: Weather Forecast

November 3

° / °
slight rain
rain: 55% | wind:

November 4

° / °
overcast
rain: 28% | wind:

November 5

° / °
overcast
rain: 3% | wind:

November 6

° / °
slight rain
snow: 11% | wind:

November 7

° / °
partly cloudy
rain: 8% | wind:

Location & Local Information

Bacău (Romanian: Bacău), located in the North-East of Romania, sits near a mix of rivers, reservoirs and small lakes that reflect the region’s temperate-continental climate. Water temperature in these lakes follows clear seasonal patterns: in winter surface temperatures often fall close to freezing, roughly 0–4 °C (32–39 °F); spring sees a rise to about 6–14 °C (43–57 °F) as the water warms; summer typically brings the warmest conditions, with many shallow lakes reaching 18–26 °C (64–79 °F) or occasionally a few degrees higher on heatwaves; in autumn temperatures decline again to roughly 10–16 °C (50–61 °F). Local differences appear depending on depth, inflow from rivers, and shading from vegetation, so two nearby lakes can feel quite different.

Swimming is possible at selected locations around Bacău, but it is not universally permitted everywhere. Official bathing spots or managed beaches allow swimming when water quality tests are satisfactory and when signage, lifeguards or local regulations indicate it is safe. Many smaller or privately owned water bodies are used informally for swimming, yet risks such as strong currents in river-connected areas, sudden depth changes, submerged hazards and occasional algal blooms mean authorities may restrict access at times. Visitors should follow posted notices, check recent water-quality reports where available, and use designated facilities for safer swimming.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Bacău?
Water Temperature in Bacău today is 9.6°C.
What is the water temperature in Bacău during the summer months?
The water temperature in Bacău in summer fluctuates in the range of 15°C - 26°C.
Is it possible to swim in Bacău (Romania) in Siret and what are the possibilities for this?
While you can physically swim in the Siret River near Bacău, fluctuating water quality, variable currents and the lack of official supervised bathing spots generally make it inadvisable, so people typically use municipal pools, monitored lakes or seasonal designated beaches where water quality and safety are controlled.