Long Island Sand Beach Sea Water Temperature
A cool beach on the Oglander Bay, warmest around February at about 10°C. Today's reading, 7-day forecast, and monthly averages below.
Long Island Sand Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Long Island Sand Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Long Island Sand Beach occurs inJanuary, February, March, December — peaking at10°C (50°F) in February.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 7.8°C | 9.9°C | 11.3°C | Very Cold (< 16°C) |
| February | 8.7°C | 10°C | 12.3°C | Very Cold (< 16°C) |
| March | 8.2°C | 9.5°C | 11°C | Very Cold (< 16°C) |
| April | 7.2°C | 8.5°C | 10.2°C | Very Cold (< 16°C) |
| May | 6°C | 7.1°C | 8.3°C | Very Cold (< 16°C) |
| June | 5.1°C | 5.9°C | 6.9°C | Very Cold (< 16°C) |
| July | 4.3°C | 5.1°C | 6.3°C | Very Cold (< 16°C) |
| August | 3.7°C | 4.8°C | 5.5°C | Very Cold (< 16°C) |
| SeptemberCurrent | 4°C | 4.9°C | 5.7°C | Very Cold (< 16°C) |
| October | 4.3°C | 5.7°C | 6.8°C | Very Cold (< 16°C) |
| November | 5.2°C | 7°C | 8°C | Very Cold (< 16°C) |
| December | 7°C | 8.6°C | 10.1°C | Very Cold (< 16°C) |
Swimming FAQs for Long Island Sand Beach
Is the sea warm enough to swim in Long Island Sand Beach today?
Typical sea surface temperature in Long Island Sand Beach this time of year is 4.9°C (40.8°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Long Island Sand Beach?
The highest water temperatures in Long Island Sand Beach typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Long Island Sand Beach in September?
Historically in September, water temperatures in Long Island Sand Beach average around4.9°C (40.8°F), fluctuating between a recorded minimum of 4°C and a maximum of 5.7°C.