New York — Water Temperature Today and Throughout the Year
Discover water temperatures in New York (United States), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Long Island18°C
- Brighton Beach18°C
- Coney Island18°C
- New York18°C
- Far Rockaway17°C
- East Hampton16°C
- Long Beach17°C
- Manhattan Beach18°C
- Point Lookout17°C
- Brooklyn18°C
- Southampton16°C
- Port Jefferson17°C
- Fire Island18°C
- Sag Harbor16°C
- Montauk16°C
- Staten Island19°C
- Northport17°C
- Baldwin Harbor17°C
- Bayville17°C
- East Setauket17°C
- New Rochelle17°C
- Eatons Neck17°C
- Westhampton Beach16°C
- Gilgo Beach17°C
- Stony Brook17°C
- Sea Cliff17°C
- Rye17°C
- Centerport17°C
- North Sea16°C
- Shelter Island Heights16°C
- Moriches16°C
- Cold Spring Harbor17°C
Coastal Seas and Oceans
Water Temperature in Lakes and Rivers
Popular Lakes
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
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Water Temperature Trends
New York is home to a diverse range of water bodies, from its Atlantic coastline to its many rivers and lakes, each offering varying water temperatures depending on the season. Along the coastline, particularly in areas like Long Island and the Hudson River Estuary, water temperatures can fluctuate widely. During the summer, ocean temperatures along the coast range from 65°F to 75°F (18°C to 24°C), which is ideal for beachgoers and swimmers. In the colder months, water temperatures along the coast can drop to around 35°F to 45°F (1.5°C to 7°C), making it too cold for most recreational activities and contributing to the region’s chilly winter climate.
In New York's rivers, such as the Hudson River and the Delaware River, water temperatures are also influenced by seasonal changes. During summer, river temperatures can range from 60°F to 75°F (16°C to 24°C), depending on the location and proximity to tributaries. These conditions make the rivers suitable for various activities like boating, kayaking, and fishing. As temperatures cool in the fall, river water temperatures begin to drop, typically falling to 40°F to 50°F (4°C to 10°C) by October, which signals the end of the peak recreational season.
New York's freshwater lakes, including the famous Finger Lakes, also experience significant temperature variation. In the summer months, lake temperatures can range from 70°F to 80°F (21°C to 27°C), particularly in shallower areas where the water heats up more quickly. Deeper lakes may have cooler temperatures in their lower depths, even during summer, but the surface waters remain warm enough for activities like swimming and fishing. As autumn sets in, the temperatures drop, with many lakes cooling to around 50°F to 60°F (10°C to 15°C) by October. Winter brings even colder temperatures, with some lakes experiencing ice formation, especially in northern regions, where water can fall to near freezing temperatures, 32°F (0°C).