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 22.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 |
|---|---|---|---|
| SEP 14 | 23.4°C | 23.5°C | |
| SEP 15 | 23.3°C | 23.5°C | |
| SEP 16 | 23.1°C | 23.5°C | |
| SEP 17 | 22.4°C | 23.5°C | |
| SEP 18 | 22.3°C | 23.5°C | |
| SEP 19 | 22.6°C | 23.5°C | |
| SEP 20 | 22.6°C | 23.5°C | |
| SEP 22 | 23.5°C | 22.6°C | |
| SEP 23 | 23.5°C | 22.6°C | |
| SEP 24 | 23.5°C | 22.7°C | |
| SEP 25 | 23.5°C | 22.7°C | |
| SEP 26 | 23.5°C | 22.8°C | |
| SEP 27 | 23.5°C | 22.8°C | |
| SEP 28 | 23.5°C | 22.9°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
September 21
September 22
September 23
September 24
September 25
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.