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Fusine Lakes — Current Water Temperature, Annual Trends and Forecast

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

Triglav Lakes, Slovenia
Triglav Lakes, Slovenia © By Matijap, CC BY-SA 3.0

Current Water Temperature

12.9°C
Today
13.0°C
Yesterday
13.0°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 Fusine Lakes today is 12.9°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 September 10 to October 11

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 313.0°C11.0°C
OCT 413.1°C11.0°C
OCT 513.0°C11.0°C
OCT 613.0°C11.0°C
OCT 712.7°C11.0°C
OCT 812.3°C11.0°C
OCT 913.0°C11.0°C
OCT 1013.0°C11.0°C
OCT 1111.0°C12.8°C
OCT 1211.0°C12.7°C
OCT 1311.0°C12.6°C
OCT 1411.0°C12.5°C
OCT 1511.0°C12.4°C
OCT 1611.0°C12.3°C
OCT 1711.0°C12.2°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
January0°C4°C7°C
February0°C4°C7°C
March2°C6°C9°C
April4°C9°C13°C
May7°C12°C18°C
June12°C19°C24°C
July14°C20°C25°C
August14°C20°C25°C
September11°C17°C22°C
October7°C11°C14°C
November3°C7°C10°C
December0°C4°C7°C

Fusine Lakes: Water Temperature by Location

Fusine Lakes: Weather Forecast

October 11

° / °
slight rain showers
rain: 33% | wind:

October 12

° / °
slight rain showers
rain: 30% | wind:

October 13

° / °
fog
rain: 3% | wind:

October 14

° / °
slight rain
rain: 5% | wind:

October 15

° / °
slight rain
rain: 0% | wind:

Location & Local Information

The Fusine Lakes (Laghi di Fusine) in Friuli‑Venezia Giulia are high‑alpine lakes fed by snowmelt and mountain springs, so their water stays relatively cold for most of the year. Typical seasonal surface temperatures run from near freezing in winter (about 0–4 °C, 32–39 °F) through cool spring values (roughly 4–14 °C, 39–57 °F). The warmest period is usually midsummer, when readings can reach about 12–20 °C (54–68 °F) on the sunniest days, though cool nights and inflow of cold water keep temperatures lower than lowland lakes. In autumn the water cools again to roughly 6–12 °C (43–54 °F), and the lakes often ice over in the coldest months.

Swimming at the Fusine Lakes is physically possible in summer, but it is often discouraged for both safety and environmental reasons. The low temperatures can cause cold‑water shock and hypothermia even on warm days, and there are no lifeguards or extensive safety facilities. In addition, parts of the area are protected and visitors are asked to respect signage and local rules that may limit bathing to avoid disturbing habitats. Anyone choosing to swim should take precautions, stay close to shore, check local notices, and be prepared for very cold water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Fusine Lakes?
Water Temperature in Fusine Lakes today is 12.9°C.
What is the water temperature in Fusine Lakes during the summer months?
The water temperature in Fusine Lakes in summer fluctuates in the range of 12°C - 25°C.
Is it possible to swim in Fusine Lakes (Italy) and what are the possibilities for this?
Swimming in the Fusine Lakes is officially prohibited to protect the nature reserve, though in warm months some visitors still bathe informally and you can instead use nearby supervised or designated swimming spots and rivers.