Sebago Lake near North Windham, Maine water level

Name: Sebago Lake near North Windham, Maine water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Lake, Sebago Lake, Maine, United States

Directions

Very low for mid-October

Surface elevation

262.78ft Steady over the last 24 hours

Measured Oct 20, 2026, 12:15 PM EDT (60 min ago)

History

What this means

At 262.78 ft, Sebago Lake near North Windham, Maine is far below normal for mid-October.

That puts it 0.35 ft below the median of 263.13 ft for mid-October, based on 7 years of readings. A year ago it stood at 263.02 ft (−0.24 ft).

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 262.74 ft and 263.09 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 263.13 ft0.35 ft below the median for this date
Normal for this date: 262.84 ft – 264.44 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 263.02 ft−0.24 ft
Lowest and highest in 30 days: 262.74 ft – 263.09 ft
Lowest and highest in 12 months: 262.76 ft – 266.21 ft

Swimming and boating at Sebago Lake near North Windham, Maine

Low water changes a lake fast for boaters. Some ramps get shorter or close, docks may be moved, and rocks and sandbars that are usually well under the surface come within reach of a prop.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

20 Tue 62° 36° – Wind 13 mph

21 Wed 54° 39° – Wind 13 mph

22 Thu 62° 39° – Wind 12 mph

23 Fri 53° 35° – Wind 12 mph

24 Sat 58° 33° – Wind 4 mph

25 Sun 64° 38° – Wind 6 mph

26 Mon 68° 44° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:03 AM Sunset 05:52 PM Daylight 10 hr, 49 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Presumpscot River near West Falmouth, MaineRiver gauge, Presumpscot River	2.52 ft	Below flood stage	−0.23 ft	11 mi
Saco River at Cornish, MaineRiver gauge, Saco River	3.05 ft	Below flood stage	−0.16 ft	14 mi
Royal River at Yarmouth, MaineRiver gauge, Royal River	34.2 cfs	Very low	−2.6 cfs	16 mi
Kennebunk River near Kennebunk, MaineRiver gauge, Kennebunk River	5.1 cfs	Low	−2.9 cfs	24 mi
Androscoggin River near Auburn, MaineRiver gauge, Androscoggin River	2.42 ft	Below flood stage	−0.02 ft	25 mi
Mousam River near West Kennebunk, MaineRiver gauge, Mousam River	98.5 cfs	Normal	+10.9 cfs	26 mi
Mousam River at Route 4 near Sanford, MaineRiver gauge, Mousam River	61.7 cfs	Normal	−2.2 cfs	27 mi
Branch Brook near Kennebunk, MaineRiver gauge, Branch Brook	7.8 cfs	Low	−0.4 cfs	28 mi

Questions and answers

How does Sebago Lake near North Windham, Maine compare with last year?

It is 0.24 ft lower than on the same day last year, when the reading was 263.02 ft.

What is a normal level for Sebago Lake near North Windham, Maine in mid-October?

The median for mid-October is 263.13 ft. In 8 years out of 10 the reading falls between 262.84 ft and 264.44 ft, based on 7 years of records.

Is Sebago Lake near North Windham, Maine really 262.78 ft deep?

No. 262.78 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Sebago Lake near North Windham, Maine today?

On Oct 20, 2026, 12:15 PM EDT, the surface elevation was 262.78 ft. Steady over the last 24 hours.

Is Sebago Lake near North Windham, Maine rising or falling?

Steady over the last 24 hours. Down 0.05 ft over the last 7 days.

Is the level of Sebago Lake near North Windham, Maine normal?

Very low for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01063995 (Agency page)
Coordinates: 43.77778, -70.50611 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	262.78 ft	2026-10-20 16:15	Provisional

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How to cite

U.S. Geological Survey: Sebago Lake near North Windham, Maine (usgs:01063995). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maine/sebago-lake-near-north-windham-maine

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer