Copenhagen — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Copenhagen (Denmark). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Copenhagen help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Copenhagen in the Baltic Sea today is 15°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
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
Water temperature in Copenhagen has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Copenhagen will be 14.8°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 2 | 13.6°C | 13.3°C | |
| JUN 3 | 14.2°C | 13.0°C | |
| JUN 4 | 13.5°C | 13.3°C | |
| JUN 5 | 13.8°C | 13.5°C | |
| JUN 6 | 14.4°C | 13.3°C | |
| JUN 7 | 14.8°C | 14.3°C | |
| JUN 8 | 14.3°C | 14.0°C | |
| JUN 9 | 14.8°C | 14.5°C | |
| JUN 10 | 15.4°C | 14.5°C | 15.4°C |
| JUN 11 | 14.3°C | 15.3°C | |
| JUN 12 | 14.3°C | 15.2°C | |
| JUN 13 | 14.0°C | 15.1°C | |
| JUN 14 | 14.3°C | 15.0°C | |
| JUN 15 | 14.3°C | 15.0°C | |
| JUN 16 | 14.5°C | 14.9°C | |
| JUN 17 | 14.8°C | 14.8°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.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Copenhagen lies where the brackish waters of the Øresund and inner harbor meet the city, giving local sea temperatures a noticeable seasonal swing. In winter months the water is cold, typically around 0–4 °C, while the early spring thaw usually brings temperatures up to roughly 4–11 °C by late spring. Summer is the warmest period, with sea temperatures most often between 15–20 °C and peaking in July and August when they commonly reach the upper part of that range. As autumn progresses the sea cools again, with September often still mild around 12–17 °C but slipping toward single figures by November and into the winter low range.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 3°C | 6°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 3°C | 6°C | 9°C |
| May | 6°C | 10°C | 14°C |
| June | 11°C | 15°C | 20°C |
| July | 14°C | 18°C | 22°C |
| August | 15°C | 18°C | 21°C |
| September | 12°C | 16°C | 21°C |
| October | 8°C | 13°C | 16°C |
| November | 5°C | 9°C | 13°C |
| December | 2°C | 6°C | 9°C |
* Click on a month to view detailed water temperature data.
Copenhagen: Weather Forecast
June 11
June 12
Location, Beaches & Local Information
Nearby Beaches & Facilities
Ofelia Beach
Valby Strand
Svanemøllestranden - ALL You Need To Know
Svanemøllen Strand - ALL You Need To Know
Amager Beach Park
Amager Strand
Hellerup Beach
Strandlund Nudist Beach
Charlottenlund Beach
Swimming Conditions
Swimming opportunities in Copenhagen are well developed for both urban and beach experiences. The city’s harbor baths offer easy access from quaysides with steps, platforms and changing facilities so people can swim in the inner harbor even within the urban fabric, while sandy coastal stretches such as Amager Strandpark, Bellevue and the northern beaches near Klampenborg provide more traditional beach leisure with lifeguards in the busier months. Water quality is generally good and monitored, but conditions and temperature vary with season and wind, so swimmers often choose summer and early autumn for comfortable beach holidays, or join the active cold‑water bathing community year‑round with appropriate precautions.