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4 days ago · Water temperature in Long Island Sound today is 75.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Long Island Sound was recorded in 2020 and was 78.4°F, and the coldest was recorded in 2007 at 70.3°F.
The warmest water temperature is in August with an average around 73°F / 22.8°C. The coldest month is February with an average water temperature of 38.5°F / 3.6°C. 7 day tide forecast for Long Island Sound
Site elevation: sea level. Air temp height: 3 m above site elevation. Anemometer height: 3.5 m above site elevation. Sea temp depth: 1 m below water line. Water depth: 27 m. Latest NWS Marine Forecast. Meteorological Observations from Nearby Stations and Ships. Regional HF Radar Surface Current Observations. Map Type:
Surface water temperature combined from the Advanced Very High Resolution Radiometer (AVHRR) and the Visible Infrared Imaging Radiometer Suite (VIIRS). Overpasses from all operating AVHRR and VIIRS instruments are averaged into daily, 3-day, 7-day, monthly, and seasonal composites (nighttime only).
Long-term annual water temperatures from 1960-2023, measured from multiple locations throughout the Long Island Sound. View Implementation Actions for Water Temperature Soundwide
The average sea temperature for Long Island Sound on July 9th over the last 10 years is 22.05° C (71.69° F), with a low temperature of 20.47° C (68.85° F) and a high of 24.25° C (75.65° F). Analysis and forecast for Long Island Sound water temperatures.
Long Island Sound, Suffolk County water and sea temperatures for today, this week, this month and this year.
