Marys Lake

Name: Marys Lake (Colorado) water level
Creator: U.S. Bureau of Reclamation

Colorado · Reclamation gauge

Grey bar: 12-month range 8,021.6–8,038.4 ft.

Water level · NAVD88

8,028.91FT

Storage 506 acre-feet

The source publishes no % full figure.

7 days +2.54 ft30 days −5.77 ft

Reading for Oct 24, 2026 · page refreshed Oct 25, 20:24 UTC
Source: U.S. Bureau of Reclamation (RISE)

Worth going today?This Afternoon

Fair – check conditions

Light wind, 36% chance of rain

Wind6 mph

Rain36%

Temp50°F

Level8,028.9 ft

This AfternoonChance Rain Showers · 50°F
ENE 6 mph · rain 36%

TonightRain Showers Likely · 35°F
SSE 3 mph · rain 70%

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

30 days1 year

Field notes

Marys Lake's latest daily level (Oct 24, 2026) is 8,028.91 (NAVD88) ft.

Reclamation reports storage of 506 acre-feet for the same day.

Over the past 7 days the lake has been rising (+2.54 ft), and it is −5.77 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Marys Lake.

Lake facts

Storage (latest)	506 acre-feet
Gauge / station	Marys Lake
Elevation datum	ft (NAVD88)
Gauge location	40.3441, -105.5343

Nearby lakes

Lake Estes3 mi NE7,469.91 ft−1.38 ft Pinewood Reservoir13 mi E6,558.30 ft−3.27 ft Flatiron Reservoir16 mi E5,466.17 ft−1.57 ft Grand Lake16 mi SW8,366.59 ft−0.02 ft Carter Lake Reservoir17 mi E5,706.88 ft−2.43 ft

Common questions

Is Marys Lake rising or falling?

Over the last 7 days it changed +2.54 ft and over 30 days −5.77 ft.

How full is Marys Lake?

Reclamation 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 Reclamation's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation; provisional and subject to revision. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.