Big Bay de Noc — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Big Bay de Noc, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Big Bay de Noc today is 26.8°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUL 15 | 25.8°C | 21.9°C | |
| JUL 16 | 25.8°C | 21.9°C | |
| JUL 17 | 25.7°C | 21.9°C | |
| JUL 18 | 25.4°C | 21.9°C | |
| JUL 19 | 25.2°C | 21.9°C | |
| JUL 20 | 25.3°C | 21.9°C | |
| JUL 21 | 25.0°C | 21.9°C | |
| JUL 23 | 21.9°C | 26.6°C | |
| JUL 24 | 21.9°C | 26.3°C | |
| JUL 25 | 21.9°C | 26.1°C | |
| JUL 26 | 21.9°C | 25.8°C | |
| JUL 27 | 21.9°C | 25.6°C | |
| JUL 28 | 21.9°C | 25.3°C | |
| JUL 29 | 21.9°C | 25.1°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 |
|---|---|---|---|
| January | 2°C | 5°C | 7°C |
| February | 1°C | 5°C | 8°C |
| March | 0°C | 3°C | 5°C |
| April | 3°C | 7°C | 12°C |
| May | 7°C | 15°C | 23°C |
| June | 13°C | 18°C | 22°C |
| July | 17°C | 22°C | 27°C |
| August | 20°C | 24°C | 27°C |
| September | 12°C | 17°C | 21°C |
| October | 12°C | 15°C | 18°C |
| November | 0°C | 6°C | 12°C |
| December | 0°C | 3°C | 6°C |
Big Bay de Noc: Water Temperature by Location
Big Bay de Noc: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Big Bay de Noc is an embayment of Lake Michigan along Michigan’s Upper Peninsula, and its water temperatures follow a strong seasonal rhythm. In winter the bay often approaches freezing and can ice over, with surface temperatures around 32°F (0°C) or lower where ice persists. Spring sees a gradual rise, typically from the mid-30s to mid-50s °F (about 2–13°C) as the lake sheds ice and solar warming begins. Summer brings the warmest surface readings, commonly in the 60s to mid-70s °F (15–24°C) on warm, calm days; sheltered shallows can warm slightly more while deeper or wind-exposed areas remain cooler. By autumn the water cools again, often falling into the mid-40s to low-60s °F (7–16°C) depending on air temperatures and storms. Local depth, wind, and time of day create notable variation in these ranges.
Swimming is generally allowed at public access points and beaches around Big Bay de Noc, and many visitors swim in summer when surface temperatures are highest. However, seasonal cold, sudden weather changes, boat traffic, and limited lifeguard coverage mean swimmers should exercise caution: cold-water shock is a real risk below about 60°F (15°C), and conditions can change rapidly. Water quality is usually suitable for recreation but it’s wise to check local advisories and use designated swimming areas when available.