Miller Place — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Miller Place (New York, 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 Miller Place help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Miller Place in the Atlantic Ocean today is 25°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.
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 Miller Place rose over the last 30 days but fell over the last week. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Miller Place will be 24.0°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 |
|---|---|---|---|
| AUG 9 | 25.0°C | 23.8°C | |
| AUG 10 | 25.0°C | 23.5°C | |
| AUG 11 | 25.4°C | 23.5°C | |
| AUG 12 | 25.0°C | 23.5°C | |
| AUG 13 | 24.9°C | 23.8°C | |
| AUG 14 | 24.9°C | 24.0°C | |
| AUG 15 | 24.7°C | 24.0°C | |
| AUG 16 | 24.5°C | 24.0°C | |
| AUG 17 | 24.6°C | 24.0°C | 24.6°C |
| AUG 18 | 24.3°C | 24.5°C | |
| AUG 19 | 23.5°C | 24.4°C | |
| AUG 20 | 23.8°C | 24.4°C | |
| AUG 21 | 23.8°C | 24.3°C | |
| AUG 22 | 23.5°C | 24.2°C | |
| AUG 23 | 23.8°C | 24.1°C | |
| AUG 24 | 23.8°C | 24.0°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.
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
Miller Place sits on Long Island’s North Shore along the Long Island Sound, and its coastal waters follow the seasonal patterns typical of the region. In winter months the nearshore water commonly falls to around 0–4 °C, while spring sees a gradual warming to roughly 4–12 °C as air temperatures rise and daylight increases. Summer brings the warmest conditions for swimmers, with surface temperatures generally ranging between about 18–24 °C and peak values often occurring in July and August. During autumn the water cools again, typically moving through a band of about 10–18 °C from September into November, with weather and wind patterns producing local variation from day to day.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 2°C | 6°C | 10°C |
| February | 2°C | 4°C | 7°C |
| March | 2°C | 5°C | 7°C |
| April | 4°C | 8°C | 12°C |
| May | 8°C | 12°C | 17°C |
| June | 13°C | 17°C | 23°C |
| July | 18°C | 23°C | 25°C |
| August | 21°C | 23°C | 26°C |
| September | 18°C | 21°C | 25°C |
| October | 13°C | 19°C | 22°C |
| November | 9°C | 14°C | 18°C |
| December | 5°C | 9°C | 13°C |
* Click on a month to view detailed water temperature data.
Miller Place: Weather Forecast
August 18
August 19
August 20
August 21
Location, Beaches & Local Information
Nearby Beaches & Facilities
Scotts Beach Club
Miller Beach Surf Club
Woodhull Landing
Hagerman Landing Beach
Cedar Beach Mount Sinai
Suffolk Country Parkland
Cedar Beach West
John W. Knapp Beach
Port Jefferson Beach East
Swimming Conditions
Swimming and beach holidays in Miller Place are therefore most comfortable in the height of summer, when water temperatures are warm enough for extended swims and family activities without wetsuits. Shorelines along the Sound offer a mix of sandy and rocky stretches, shallow areas suitable for wading, and spots used for kayaking, paddleboarding and launching small craft; seasonal amenities such as lifeguards, restrooms, and parking are common at managed public beaches during the summer. Visitors should expect that tidal currents, onshore breezes and recent weather can make the water feel colder than the air, particularly in spring and autumn, and wetsuits are advisable outside the warmest weeks. Water quality and local advisories are issued periodically, so checking current conditions before planning a swim is recommended.