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Danube · km 0 · ROMANIA

Sulina

Historical Danube levels at Sulina, Romania

NormalFalling · −4 cm today

50cmlevel of the day, 4 November 2026▼ −18 cm in 7 days

Gauge zero: 0.00 m (Black Sea)

Catchment area: 817,000 km²

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Compared with normal
11 of 19
years had more water on 4 November
Navigation threshold
+40 cm
vs LDC (10 cm)

Water level (cm)

04/11/2026 07:00 EET

06/10/2026Date04/11/2026
  • Water level (cm)
  • Water temperature (°C) · right axis
  • normal for the date (previous years)
  • Older series from another gauge, converted to this gauge
  • LDC 10 cm
  • Alert level 90 cm
06/10/2026 – 04/11/2026 · 30 days · Flood level 130 cm — above the displayed range · Danger level 150 cm — above the displayed range· Older series from another gauge, converted to this gauge· Water temperature (°C), on the right axis. · Source: national hydrological institutes

Full series: download CSV

On 4 November, the water at Sulina is at 50 cm, 4 cm lower than yesterday.

* LDC: Low water level Danube Commission - the minimum acceptable level (10 cm). ** HDC: High water level Danube Commission - the maximum acceptable level.

The station usually reports once a day; the latest reading came 42 hours ago.

On the Danube, upstream and downstream

At a glance

The Sulina gauge measures the Danube at river km 0 (Romania). The latest reading, on 4 November 2026, is 50 cm. This is 40 cm above the low-water level LDC (10 cm). The level has fallen by 18 cm over the last 7 days. Compared with the same day over the past 30 years, the level on 4 November 2026 is within the usual range (percentile 40). In 20 years of measurements, the highest level was 125 cm (1 April 2018) and the lowest 0 cm (14 July 2015). The largest documented flood here reached 137 cm in 2006. On the same river, the nearest gauge upstream is Tulcea. The station usually reports once a day; the latest reading came 42 hours ago.

Frequently searched

What does today's water level mean?
The latest reading, on 4 November 2026, is 50 cm. This is 40 cm above the low-water level LDC (10 cm). The level has fallen by 18 cm over the last 7 days. The station usually reports once a day; the latest reading came 42 hours ago.

Nearby gauges

Upstream on the Danube: Danube river level at Tulcea (71 km). The nearest large city on the river: Danube river level at Galați (150 km).

Station map

Sulina — 50 cmTulcea — 19 cm
Stations on the map: 2

Historical events

  • Flood · 2006(02 May)

    137 cmPeak

Statistics

Minimum, mean and maximum of the daily levels, with the days spent below LDC or above HDC — useful for navigation, agriculture and flood history.

Download the series (CSV)

Last 30 days

30 station-days with data

Minimum
40cm06/10/2026
Mean
52cm
Maximum
68cm28/10/2026

0 days below LDC0 days above HDC

Last 12 months

365 station-days with data

Minimum
25cm29/12/2025
Mean
68cm
Maximum
110cm18/02/2026

0 days below LDC0 days above HDC

Whole history (2002–2026)

7,291 station-days with data

Minimum
0cm14/07/2015
Mean
71cm
Maximum
125cm01/04/2018

40 days below LDC0 days above HDC

Record high
125 cm01/04/2018
Record low
0 cm14/07/2015

By year

By year
YearMinimumMeanMaximumdays below LDCdays above HDCstation-days with data
2026406811000308
202525599000365
2024468211300364
2023408011400363
202239628900365
2021477410000365
202040638300366
2019366810800365
2018337712500359
201720628600361
2016307310400366
2015063102400360
2014507911000365
2013387612000346
2012306010000366
2011206511000358
2010639512400365
2009407110500365
200830639100306
2007406010100184
2002507610200329

Monthly mean

2025-12: Mean 66 cm (25–90)6625/122026-01: Mean 74 cm (46–94)7426/012026-02: Mean 87 cm (72–110)8726/022026-03: Mean 86 cm (75–96)8626/032026-04: Mean 81 cm (72–87)8126/042026-05: Mean 72 cm (66–81)7226/052026-06: Mean 70 cm (63–84)7026/062026-07: Mean 60 cm (54–71)6026/072026-08: Mean 57 cm (48–63)5726/082026-09: Mean 50 cm (40–60)5026/092026-10: Mean 52 cm (40–68)5226/102026-11: Mean 48 cm (43–54)4826/11

This year against the historical range

IIIIIIIVVVIVIIVIIIIXXXIXII
Minimum–MaximumMean2026The band is the minimum–maximum of previous years for each calendar day; the line is the current year.

The daily series uses the first reading of each day.

Historical Danube levels at Sulina

Historical Danube levels at Sulina
DateWater level (cm)
50
54
43
45
51
58
59

About the city

About Sulina

Type: Port city and municipality

Location: Sulina is located at the mouth of the Sulina branch of the Danube River, where it flows into the Black Sea. It is the easternmost city in Romania and Europe.

Coordinates: 45°09'34"N, 29°39'14"E

Area: Approximately 325.5 km² (125.7 sq mi)

Population: Approximately 3,500 inhabitants (as of recent census)

Administrative Division: Tulcea County, Romania

Historical Significance

Sulina has a rich and complex history dating back to ancient times. The area was known to the Greeks as "Suline" and served as an important trading post. During the Byzantine era, Sulina was a significant port for trade between the Mediterranean and the Black Sea regions.

In the 19th century, Sulina became a crucial port for the European Commission of the Danube, established in 1856 after the Crimean War. The commission was responsible for maintaining and improving navigation on the Danube, and Sulina served as its headquarters. This period marked a golden age for the city, as it became a major international port with ships from around the world docking here.

During the communist era in Romania, Sulina's importance as a commercial port declined, but it maintained its strategic position. Today, Sulina is experiencing a revival as a tourist destination and remains an important gateway to the Danube Delta, a UNESCO World Heritage Site.

Importance on the Danube River

Sulina holds a unique position as the final point where the Danube River meets the Black Sea. The Sulina branch is one of the three main distributaries of the Danube Delta and is the most navigable, making it the primary shipping channel for vessels traveling from the Black Sea into the Danube and vice versa.

The city serves as a critical monitoring point for Danube water levels, as it represents the final measurement station before the river enters the sea. Water level data from Sulina is essential for navigation safety, flood management, and environmental monitoring in the delta region. The European Commission of the Danube historically maintained extensive infrastructure here to ensure safe passage for ships.

Today, Sulina remains an important port for both commercial shipping and tourism. The port facilities accommodate various vessels, and the city serves as a starting point for exploring the Danube Delta's unique ecosystem. Monitoring water levels at Sulina is crucial for understanding the overall health and flow of the entire Danube River system.

Tourism and Attractions

Sulina is a gateway to the Danube Delta, one of Europe's most remarkable natural wonders and a UNESCO World Heritage Site. The city attracts visitors interested in nature, bird watching, fishing, and experiencing traditional delta life.

Key attractions include the historic Old Lighthouse (Farul Vechi), built in the 19th century and one of the oldest in Romania, which offers panoramic views of the delta and the Black Sea. The European Commission of the Danube building, now a museum, provides insight into the city's historical importance as the headquarters of this international organization. The Maritime Cemetery, where sailors of various nationalities are buried, reflects Sulina's multicultural maritime heritage. The city's waterfront promenade offers beautiful views of the river and is perfect for evening walks. Sulina also features wild beaches along the Black Sea coast, offering unique opportunities for ecotourism and wildlife observation.

Boat tours from Sulina allow visitors to explore the intricate network of channels, lakes, and reed beds that make up the delta. The area is home to over 300 species of birds, making it a paradise for ornithologists and nature enthusiasts. Traditional fishing villages, floating reed islands, and the unique delta ecosystem provide unforgettable experiences for tourists.

The city also hosts various cultural events and festivals celebrating delta traditions, local cuisine featuring fresh fish, and the unique way of life in this remote but beautiful corner of Romania.