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Hydrograph River at a Glance Download
Portage River near Vicksburg Stage (ft)Highest Observation: 3.74 ft at 3:00PM Feb 06, 2023VCKM4(plotting HGIRZ) Graph Created (9:05AM Feb 7, 2023)ObservedLatest observed value: 3.74 ft at 3:00 PM EST 6-Feb-2023. Flood Stage is 5.5 ft
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Tabular Data (EST)
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Datum: NAVD88
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts for the Portage River near Vicksburg are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage: 8
Moderate Flood Stage: 7
Flood Stage: 5.5
Action Stage: 5
Low Stage (in feet): -9999

Historic Crests
(1) 6.18 ft on 02/22/2018
(2) 5.83 ft on 05/19/2020
(3) 5.81 ft on 06/02/1989
(4) 5.78 ft on 08/18/2016
(5) 5.66 ft on 06/21/2019
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(P): Preliminary values subject to further review.

Recent Crests
(1) 5.09 ft on 02/23/2022
(2) 4.86 ft on 06/27/2021
(3) 5.83 ft on 05/19/2020
(4) 5.46 ft on 01/13/2020
(5) 5.66 ft on 06/21/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.00 ft on 09/12/1964
(2) 2.98 ft on 06/03/2021
(3) 3.04 ft on 08/03/1977
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Zoom Level:16
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
8 Expect major flooding of several homes built adjacent to the river.
7 Expect moderate flooding of several homes built adjacent to the river. Water covers south 29th Street just south of EW Avenue.
6 Expect minor basement flooding of several homes built adjacent to the river.
5.5 Minor basement flooding begins at the first house near the gage.
5 Expect overflows into wooded areas and farmland adjacent to the river.
4.5 River is near bankfull.
(1) USGS Wire Weight Gage on the Portage River near Vicksburg.
(2) Portage River near Vicksburg looking upstream from gage and W Ave. Bridge.
(3) Portage River near Vicksburg looking downstream from gage and W Ave. Bridge.
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Latitude: 42.114768° N, Longitude: 85.485551° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 5.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 839.513 845.013 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Grand Rapids Weather Forecast Office
4899 Tim Dougherty Drive SE
Grand Rapids, MI 49512-4034
(616) 949-0643
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Page last modified: 2-Nov-2020 7:30 PM
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