Is Cupsoque Beach good for swimming today?
Cupsoque Beach has BeachFinder Score: 86/100. Use this as a planning signal only, then check local flags, lifeguards, closures and current beach conditions.
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US-NE - US
Cupsoque Beach
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Quick answer
Quick answer: Cupsoque Beach today
Cupsoque Beach is a BeachFinder spot in US-NE, US. Today, compare water temperature 23°C, wind 14 km/h · SW, uv 6.8, waves 0.5 m, water quality Check official advisories before leaving. BeachFinder Score: 86/100. Always check official flags, closures and lifeguard advice before swimming.
Water temperature
23°C
Wind
14 km/h · SW
UV
6.8
Waves
0.5 m
Water quality
Check official advisories
Last updated: Aug 11, 07:30 PM local forecast timeBeachFinder Score: 86/100
Sources: Open-Meteo weather and marine forecasts, OpenStreetMap place context and BeachFinder spot data.
This is planning information, not a safety clearance. Conditions can change quickly.
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Live conditions on the site
Surfers can check wind, wave height, currents and surf cues here before opening the full BeachFinder app.
Updated: Aug 11, 07:30 PM
Water temp
23°C
Air temp
26°C
Feels like
29°C
UV index
6.8
Wind
14 km/h · SW
Gust 27 km/h
Waves
0.5 m
Current
1 km/h · E
Parking
...
Shower
...
Accessible access
...
Toilets
...
Restaurants
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Weather and marine data: Open-Meteo
Cupsoque Beach
Cupsoque Beach stretches along the south shore of Long Island, in Suffolk County, about 100 kilometers east of New York City. This stretch of the Atlantic coastline is characterized by low dunes and coastal marshes typical of the region, where saltwater meets wetlands in a gradual transition. The area is part of the mosaic of beaches that dot the South Shore of Long Island, between the Hamptons and the less developed areas of the central coast. The beach itself remains largely undeveloped, retaining a strong natural character. Located just 0.1 kilometers from its administrative namesake, it is part of a coastal continuum where Bellview Beach is 4.1 kilometers to the west, while Westhampton Beach, more urbanized, is located 7.4 kilometers to the east. Unlike the latter, Cupsoque does not feature the typical resort infrastructure of Suffolk's seaside towns. The shore offers direct access to the Atlantic with full exposure to oceanic swells, without significant natural protection. No lifeguard services are present, and accessibility for people with reduced mobility is not guaranteed. The site does not have Blue Flag status. Visitors should prepare for a coastal experience without formal amenities, making it a point of interest for those seeking a less structured approach to swimming on Long Island.
About this spot
The name Cupsoque comes from the vocabulary of the Algonquian peoples, indigenous tribes who occupied Long Island before European colonization. The term refers to the low, marshy lands characteristic of this coastal region. Historically, the south shore of Long Island developed along two distinct paths: the Hamptons attracted New York's elite as early as the 19th century, while areas like Cupsoque maintained a more modest profile, serving as zones for fishing and coastal agriculture. Today, this dichotomy persists: while neighboring Westhampton Beach has transformed into a structured tourist destination, Cupsoque remains a window onto Suffolk's less publicized coastline.
Updated 5/9/2026
Frequently asked questions
What is the water temperature at Cupsoque Beach today?
23°C. Marine temperature is shown when forecast coverage is available for this location.
How windy is Cupsoque Beach today?
14 km/h · SW. Wind can change comfort and surface conditions, especially on exposed beaches.
What should I check before swimming at Cupsoque Beach?
Check official safety flags, lifeguard advice, closures, water-quality advisories, UV, wind, waves and currents before entering the water.
Before you go
Conditions
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Amenities
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Cupsoque Beach
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