Lake levels › New York

Hempstead Lake water level today

Normal for this time of year

21.33ft

feet above sea level ·

vs normal for Oct 10+1.2 ft
24 hours−0.05 ft
7 days−0.3 ft
30 days−0.3 ft
vs a year ago+1.4 ft

Is Hempstead Lake low right now?

Hempstead Lake was at 21.33 ft on October 10, 2026. That is 1.17 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.04 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
1819212324NovDecJanFebMarAprMayJunJulAugSepOct

Hempstead Lake on Oct 10 in past years

202520.0+1.3
202420.2+1.1
202323.3−2.0
202219.4+1.9

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Change
Oct 1021.34−0.04
Oct 921.38−0.05
Oct 821.43−0.05
Oct 721.48−0.04
Oct 621.52−0.03
Oct 521.55−0.01
Oct 421.56−0.03
Oct 321.59−0.04
Oct 221.63−0.03
Oct 121.66−0.06
Sep 3021.72−0.04
Sep 2921.76+0.02
Sep 2821.74+0.32
Sep 2721.42+0.31

Daily means of the operator's readings (midnight to midnight, local time).

About Hempstead Lake

10-year range
18.2 ft (September 30, 2022) to 23.8 ft (December 11, 2023)
Data
U.S. Geological Survey — USGS 0131079450
Datum
NAVD88

Lakes near Hempstead Lake

Questions

Is Hempstead Lake low right now?

Hempstead Lake was at 21.33 ft on October 10, 2026. That is 1.17 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.04 ft a day.

How often is the Hempstead Lake level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Geological Survey (USGS 0131079450). Readings are provisional and can be revised.