Waterford — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Waterford (Connecticut, United States). 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 Waterford help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Waterford in the Atlantic Ocean today is 19°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.
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 Waterford 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 Waterford will be 20.3°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 24 | 17.0°C | 4.5°C | |
| JUN 25 | 17.4°C | 4.8°C | |
| JUN 26 | 17.5°C | 9.0°C | |
| JUN 27 | 17.7°C | 8.8°C | |
| JUN 28 | 17.9°C | 13.3°C | |
| JUN 29 | 18.3°C | 13.3°C | |
| JUN 30 | 18.5°C | 19.8°C | |
| JUL 1 | 18.8°C | 19.8°C | |
| JUL 2 | 18.8°C | 19.8°C | 18.8°C |
| JUL 3 | 20.0°C | 19.0°C | |
| JUL 4 | 19.5°C | 19.2°C | |
| JUL 5 | 20.0°C | 19.5°C | |
| JUL 6 | 20.5°C | 19.7°C | |
| JUL 7 | 20.3°C | 19.9°C | |
| JUL 8 | 21.0°C | 20.1°C | |
| JUL 9 | 20.8°C | 20.3°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
Waterford, Connecticut, sits on the northern shore of Long Island Sound and features a mix of rocky shoreline, sandy coves, and sheltered bays that reflect its coastal New England character. Because it is part of an estuarine environment, water temperatures vary considerably through the year. In winter months the surface water commonly falls to about 0–5 °C, while spring sees a gradual rise into the roughly 5–12 °C range as air temperatures warm. By summer the Sound is at its warmest, typically registering around 18–24 °C with peak readings in July and August; early autumn remains pleasant for swimming, often 15–20 °C, before cooling again into late fall toward 10–12 °C and lower as winter approaches. Local weather patterns, tides, and coastal currents can cause short-term variations, so actual conditions may differ from averages.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 2°C | 5°C | 9°C |
| February | 2°C | 4°C | 7°C |
| March | 2°C | 4°C | 7°C |
| April | 3°C | 7°C | 12°C |
| May | 8°C | 12°C | 17°C |
| June | 13°C | 17°C | 23°C |
| July | 17°C | 22°C | 25°C |
| August | 19°C | 22°C | 26°C |
| September | 17°C | 20°C | 24°C |
| October | 13°C | 18°C | 21°C |
| November | 9°C | 13°C | 17°C |
| December | 5°C | 8°C | 12°C |
* Click on a month to view detailed water temperature data.
Waterford: Weather Forecast
July 3
July 4
July 5
July 6
Location, Beaches & Local Information
Nearby Beaches & Facilities
Waterford Beach Park
Green Harbor Beach
Ocean Beach Park
Attawan Beach
Big Rocks
Mccook Point Park
Mccook's Beach
Hole In The Wall Beach
Mccook Point Beach
Swimming Conditions
Swimming and beach holidays in Waterford are shaped by that seasonal rhythm. The warmest months, especially mid-July through early September, offer the most comfortable open-water swimming for families and casual beachgoers, with many public shoreline areas and nearby parks providing access, picnic facilities, and often lifeguard services during peak times. Sheltered coves and small bays can be calmer and better for children, while more exposed stretches suit swimmers who enjoy open-water conditions or longer distances. Visitors should consult local water-quality reports and posted advisories before entering the water, and those planning shoulder-season swims may want wetsuits for comfort when temperatures are below typical summer highs.