States

Sebago Lake

near North Windham, Maine · Maine · USGS gauge
261262263264265
Grey bar: recent range 262.7–263.1 ft.
Water level · NGVD29
262.67FT
Gauge elevation · no % full published
7 days −0.12 ft30 days −0.30 ftvs last year −0.47 ft
Reading for Oct 25, 2026, 18:15 UTC · page refreshed Oct 25, 20:24 UTC
Source: U.S. Geological Survey (Water Data for the Nation)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind0 to 5 mph
Rain0%
Temp63°F
Level262.7 ft
This AfternoonSunny · 63°F
S 0 to 5 mph · rain 0%
TonightMostly Clear · 32°F
SW 5 mph · rain 0%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

Last 30 days of daily means.

262.5263.0263.5ftSep 24Oct 2Oct 9Oct 16Oct 24
262.5263.0263.5ftSep 24Oct 9Oct 24

Field notes

As of Oct 25, 2026, Sebago Lake stood at 262.67 (NGVD29) ft.

Over the past 7 days the lake has been falling (−0.12 ft), and it is −0.30 ft over 30 days.

Compared with a year ago (263.14 ft, same time of day), the lake is 0.47 ft lower.

Readings come from the USGS gauge “Sebago Lake near North Windham, Maine”. USGS data are provisional and may be revised. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / stationSebago Lake near North Windham, Maine
Elevation datumft (NGVD29)
Gauge location43.7778, -70.5061

Nearby lakes

Upper Mystic Lake99 mi S · MA114.25 ft−0.13 ftEast Barre Detention Reservoir100 mi W · VT1,135.37 ft−0.46 ftFresh Pond102 mi S · MA15.98 ft−0.33 ftWrightsville Detention Reservoir109 mi W · VT634.31 ft−0.44 ftLake Memphremagog116 mi NW · VT679.92 ft−0.06 ft

Common questions

Is Sebago Lake rising or falling?

Over the last 7 days it changed −0.12 ft and over 30 days −0.30 ft.

How full is Sebago Lake?

USGS publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.