East and West Harbor Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in East and West Harbor Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in East and West Harbor Lake today is 26.5°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 |
|---|---|---|---|
| AUG 6 | 24.4°C | 25.0°C | |
| AUG 7 | 24.5°C | 25.0°C | |
| AUG 8 | 24.6°C | 25.0°C | |
| AUG 9 | 26.7°C | 25.0°C | |
| AUG 10 | 26.4°C | 25.0°C | |
| AUG 11 | 26.4°C | 25.0°C | |
| AUG 12 | 26.5°C | 25.0°C | |
| AUG 14 | 25.0°C | 26.4°C | |
| AUG 15 | 25.0°C | 26.4°C | |
| AUG 16 | 25.0°C | 26.3°C | |
| AUG 17 | 25.0°C | 26.2°C | |
| AUG 18 | 25.0°C | 26.1°C | |
| AUG 19 | 25.0°C | 26.1°C | |
| AUG 20 | 25.0°C | 26.0°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 | 0°C | 1°C | 4°C |
| February | 0°C | 2°C | 5°C |
| March | 1°C | 6°C | 11°C |
| April | 5°C | 10°C | 16°C |
| May | 11°C | 15°C | 20°C |
| June | 17°C | 21°C | 25°C |
| July | 23°C | 26°C | 30°C |
| August | 22°C | 25°C | 28°C |
| September | 20°C | 24°C | 27°C |
| October | 14°C | 18°C | 21°C |
| November | 6°C | 10°C | 14°C |
| December | 0°C | 3°C | 7°C |
East and West Harbor Lake: Water Temperature by Location
East and West Harbor Lake: Weather Forecast
August 13
August 14
August 15
August 16
August 17
August 18
Location & Local Information
The shallow, protected waters of East Harbor and nearby West Harbor on Ohio’s Lake Erie shoreline follow the lake’s general seasonal pattern. Winter surface temperatures commonly sit just above freezing, about 32–40°F (0–4°C). In spring the water gradually warms to roughly 40–60°F (4–16°C) as ice melts and runoff influences conditions. By mid to late summer, sheltered harbor areas can reach their warmest surface readings, often between about 65–78°F (18–26°C), with the warmest patches in shallow, sun-exposed embayments. Temperatures then decline through fall, typically falling to the 45–60°F range (7–16°C) before winter sets in. Local factors such as wind, currents, depth, and river inflows cause notable variation from one season to the next and between open-lake and harbor spots.
Swimming is permitted at designated beaches and swim areas when authorities report acceptable water quality and safe conditions, and many people swim there in mid to late summer when surface temperatures are most comfortable. Harbors themselves, however, are often less suitable for casual swimming because of boat traffic, changing depths, runoff and occasional water-quality issues such as elevated bacteria or harmful algal blooms; managers close swim areas when monitoring indicates a health risk. Always check current local advisories and posted signage before entering the water.