Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap


Web Portal Changes:

  • Attention: Technicians are currently working to bring Precipitation datasets back to full capability after the April 16 outage.
  • NWPS - - Officially operational on Wednesday, March 27th, 8-9am EDT
  • AHPS - Scheduled operations ends on Tuesday, May 28th, 2024 - the pages will automatically redirect to until May 28, 2025.
  • Other Important URL changes - Service Change Notice 24-29 

Please visit for more information.

Hydrograph River at a Glance Download
Portage River near Vicksburg Stage (ft)Highest Observation: 4.38 ft at 1:00PM Apr 15, 2024VCKM4(plotting HGIRZ) Graph Created (5:36PM Apr 19, 2024)ObservedLatest observed value: 4.38 ft at 1:00 PM EDT 15-Apr-2024. Flood Stage is 5.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 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.

Return to Area Map
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 04/07/1947
Show More Historic Crests

(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
Show More Low Water Records

For more information on your flood risk go to

Zoom Level:16
KML Image
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.
Flood Impacts & Photos Collapse
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.
About This Location Collapse

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:

Additional Information Collapse
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Privacy Policy
About Us
Career Opportunities