Lake Granby is at 8,234.6 ft and fell 0.0 ft in the last day.
Current Water Level
8,234.6 ft
2,509.92 m · Reservoir elevation
Compared with the reading at Nov 1, 1:00 AM
Delayed- Measured
- Nov 2, 2026 12:00 AM MST
- Retrieved
- Nov 3, 2026 1:03 PM MST
- Data Source
- USBR (opens in a new tab)
- Datum
- Project datum (not specified in RISE)
Water Level Chart
Reservoir elevation from Oct 28, 2026 to Nov 2, 2026: started at 8,234.66 ft and ended at 8,234.63 ft; low 8,234.63 ft, high 8,234.68 ft.
Gaps in the line are periods with no readings; they are not filled in. View data table
24 Hour Change
−0.03 ft (falling)
from 8,234.66 ft on Nov 1
7 Day Change
n/a change not available
No comparable reading
30 Day Change
n/a change not available
No comparable reading
Conditions & Warnings
Forecast
- This Afternoon47°FMostly SunnyWSW 5 mph3% rain
- Tonight23°FPartly CloudyN 2 mph3% rain
- Wednesday52°FSlight Chance Snow ShowersNE 0 to 5 mph35% rain
- Wednesday Night23°FSlight Chance Snow Showers then Mostly CloudyNNE 0 to 3 mph24% rain
National Weather Service forecast near Grand Lake, CO, retrieved 38 minutes ago.
Water Temperature
No official water temperature gauge is linked to this lake.
No active National Weather Service warnings for this location as of 38 minutes ago.
Other Measurements
| Reservoir storage | 259,342 ac-ft | −153 ac-ft (falling) | USBR · Nov 2, 12:00 AM |
|---|
About Lake Granby
Lake Granby is a reservoir on the upper Colorado River in Grand County, Colorado, impounded by Granby Dam. It is a principal storage reservoir of the Bureau of Reclamation's Colorado-Big Thompson Project.
Lake Granby Location
Lake GranbyGrand, Colorado
Map location is approximate. Map data © OpenStreetMap contributors.
Compare & Share
Compare with other lakesOfficial Source & Methodology
-
Reservoir elevation
Bureau of Reclamation RISE · ID
351· Project datum (not specified in RISE) Official page -
Reservoir storage
Bureau of Reclamation RISE · ID
351· Project datum (not specified in RISE) · alternate series Official page
The headline number is the reservoir elevation reported by Bureau of Reclamation RISE (typically daily). The "Measured" time is when the agency recorded it; "Retrieved" is when this site last downloaded it.
Recent readings are provisional and may be revised by the agency. Wind, waves and dam operations can change the level between readings. This page is not a flood warning or navigation service; for safety information contact the lake operator and the National Weather Service.
Gauge verified 2026-10-27: Lake Granby and Dam read elevation 8234.69 ft; storage 259647 acre-ft. Coordinates are the gauge location. Confirm reference levels with the operator before publishing.
Nearby Lakes
All Colorado lakes- Wolford Mountain Reservoir29 mi away7,443.5 ft±0.0 ft (falling)
- Taylor Park Reservoir102 mi away9,299.8 ft+0.1 ft (rising)
- Rifle Gap Reservoir107 mi away5,917.1 ft+0.3 ft (rising)
- Paonia Reservoir116 mi away6,397.7 ft+1.6 ft (rising)
- Vega Reservoir123 mi away7,939.2 ft+1.4 ft (rising)
- Crawford Reservoir138 mi away6,502.7 ft+1.4 ft (rising)