Long Beach NY Water Temperature & Swim Forecast
Popular New York beach near Long Beach.
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Location
Long Beach NY on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Check live temperature
Live water temperature is loading — refresh in a moment for a precise recommendation.
Recommendation tuned for Long Beach NY's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Long Beach NY swimming conditions summary
- Water temperature
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- Water feels
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- Swimmable today
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- Swim conditions score
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- Wetsuit needed
- Check live temperature
- Air temperature
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- Waves
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- Wind
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- UV index
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- Warmest months to swim
- July, August, September
Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.
Frequently asked questions
Can I swim at Long Beach NY right now?
Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.
What will the sea temperature be at Long Beach NY next week?
Based on long-term August averages and the latest marine model, expect the sea around Long Beach NY to sit close to 23.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.
When is the best month to swim at Long Beach NY?
July – August – September are typically the warmest months to swim at Long Beach NY, with sea temperatures at their seasonal peak.
Can I swim at Long Beach NY today?
Live data is loading. In summer, this beach typically offers comfortable swimming conditions.
- • Located in New York, United States (Atlantic Ocean).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Best time to swim in Long Beach NY
The sea in Long Beach NY peaks in August, when the water averages around 23°C.
The main swimming season runs from July – September, when surface temperatures stay comfortable for extended sessions.
On average, 3 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like June and October are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 9°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically February at around 3°C, when cold-water swimmers dominate the coast.
Long Beach NY sea temperature history
Long-term climatology for Long Beach NY shows an annual mean sea temperature of 12°C, ranging from 3°C in winter to 23°C at the summer peak.
The seasonal swing is roughly 20°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Long Beach NY, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Long Beach NY sea temperature: frequently asked questions
What is the warmest month to swim in Long Beach NY?
August is the warmest month in Long Beach NY, when the sea averages about 23°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Long Beach NY?
The coldest month in Long Beach NY is typically February, when the water averages around 3°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Long Beach NY without a wetsuit?
The main swimming season in Long Beach NY runs from July – September — about 3 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Long Beach NY?
Outside peak summer the water in Long Beach NY drops toward 9°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in Long Beach NY?
The long-term annual mean sea temperature in Long Beach NY is about 12°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Long Beach NY?
The live reading at the top of this page shows the current sea temperature in Long Beach NY, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jul – Aug – Sep
| Month | Sea | Comfort |
|---|---|---|
| Jan | 4°C | Cold |
| Feb | 3°C | Cold |
| Mar | 4°C | Cold |
| Apr | 8°C | Cold |
| May | 13°C | Cold |
| Jun | 18°C | Pleasant |
| Jul | 22°C | Warm |
| Aug ⭐ | 23°C | Warm |
| Sep | 20°C | Pleasant |
| Oct | 16°C | Bracing |
| Nov | 11°C | Cold |
| Dec | 7°C | Cold |
Nearby beaches
The closest coastline, with live water temperatures.