Grand River at Portland

Last updated: Jul 18, 2025, 1:04 AM UTC

No watches, warnings or advisories are in effect for this area.

Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.

US Geological Survey
Observations courtesy of U.S. Geological Survey

Scale to Flood Categories

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Traces and Thresholds Click to turn on/off display

CATEGORY STAGE

Major Flooding 16 ft

Moderate Flooding 14 ft

Minor Flooding 12 ft

Action 11 ft

Reliability of the Forecast:

NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.

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.
Stage may be affected by ice during winter months.
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	CATEGORY	STAGE
	Major Flooding	16 ft
	Moderate Flooding	14 ft
	Minor Flooding	12 ft
	Action	11 ft

Flood Impacts 🅘

16 - Expect major flooding of the business district and residential areas in the Village of Lyons and basement flooding of residences on the west side of Kent Street in Portland.
14 - Expect moderate flooding of the first floor of residences and businesses in the south section of the Village of Lyons. Elizabeth, Superior, and Railroad Streets in the Village of Lyons closed due to flooding.
12 - Expect minor flooding in the Village of Lyons and low lying areas adjacent to the river. Two Rivers Park in Portland flooded.

Gauge Info

Coordinates	42.8564, -84.9122
RFC	NCRFC
State	MI
WFO	GRR
County	Ionia
Data Provider(s)
US Geological Survey	USGS--Water Resources of the United States
USGS	04114000

Gauge Location

Recent Crests

1.	12.21 ft	on 04-06-2023
2.	9.37 ft	on 04-25-2022
3.	10.59 ft	on 06-27-2021
4.	11.32 ft	on 05-19-2020
5.	10.90 ft	on 06-20-2019

Historic Crests

1.	12.98 ft	on 04-21-1975
2.	12.84 ft	on 05-24-2004
3.	12.62 ft	on 02-23-2018
4.	12.45 ft	on 02-27-2019
5.	12.21 ft	on 04-06-2023

Vertical Datum Table

type	NAVD88
major Flooding	720.52 ft
moderate Flooding	718.52 ft
minor Flooding	716.52 ft
action	715.52 ft
Latest Value	710.26 ft
Gauge Zero	704.52 ft

Gauge Photos

Photo 1 of 13

Grand River in Portland - Looking Downstream from Bridge

Probability Information

Photo 1 of 3

Weekly Chance of Exceeding Levels
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Chance of Exceeding Levels During Entire Period
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Short Range Forecast Uncertainty
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Unique Local Info

How low could the river get?

Collaborative Agencies

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.

WFO Information

Weather Forecast Office

Grand Rapids

4899 Tim Dougherty Drive SE

Grand Rapids, MI 49512-4034

(616) 949-0643

Ask Questions/Webmaster

Official Homepage

1.	12.21 ft	on 04-06-2023
2.	9.37 ft	on 04-25-2022
3.	10.59 ft	on 06-27-2021
4.	11.32 ft	on 05-19-2020
5.	10.90 ft	on 06-20-2019
6.	12.45 ft	on 02-27-2019
7.	12.62 ft	on 02-23-2018
8.	11.41 ft	on 04-08-2017
9.	8.95 ft	on 04-01-2016
10.	11.02 ft	on 06-23-2015
11.	10.01 ft	on 03-23-2014
12.	10.84 ft	on 04-19-2013
13.	9.04 ft	on 03-03-2012
14.	11.07 ft	on 05-30-2011
15.	9.53 ft	on 03-14-2010
16.	10.86 ft	on 03-12-2009
17.	11.51 ft	on 09-15-2008
18.	9.00 ft	on 01-08-2007
19.	9.51 ft	on 03-14-2006
20.	11.19 ft	on 01-13-2005
21.	12.84 ft	on 05-24-2004
22.	8.75 ft	on 04-05-2003
23.	8.69 ft	on 03-10-2002
24.	11.12 ft	on 02-11-2001
25.	9.64 ft	on 09-23-2000
26.	9.36 ft	on 05-19-2000
27.	10.49 ft	on 04-24-1999
28.	9.66 ft	on 03-11-1998
29.	10.01 ft	on 02-22-1997
30.	10.41 ft	on 06-19-1996
31.	9.35 ft	on 03-14-1995
32.	9.57 ft	on 02-22-1994
33.	10.36 ft	on 02-20-1994
34.	11.17 ft	on 04-20-1993
35.	9.13 ft	on 04-27-1992
36.	10.66 ft	on 01-28-1991
37.	9.38 ft	on 11-29-1990
38.	10.10 ft	on 03-13-1990
39.	10.83 ft	on 06-01-1989
40.	12.05 ft	on 03-17-1982
41.	10.51 ft	on 02-21-1981
42.	8.27 ft	on 08-20-1980
43.	10.10 ft	on 03-07-1979
44.	9.68 ft	on 03-25-1978
45.	7.96 ft	on 04-07-1977
46.	11.19 ft	on 03-05-1976
47.	12.98 ft	on 04-21-1975
48.	10.93 ft	on 03-11-1974
49.	10.62 ft	on 01-01-1973
50.	9.87 ft	on 04-17-1972
51.	10.15 ft	on 02-22-1971
52.	9.50 ft	on 04-09-1970
53.	9.48 ft	on 02-01-1969
54.	11.57 ft	on 06-30-1968
55.	9.06 ft	on 03-15-1967
56.	8.07 ft	on 03-24-1966
57.	9.76 ft	on 03-07-1965
58.	6.60 ft	on 05-09-1964
59.	8.34 ft	on 03-20-1963
60.	9.74 ft	on 03-21-1962
61.	9.15 ft	on 04-27-1961
62.	11.56 ft	on 03-31-1960
63.	9.58 ft	on 03-08-1959
64.	7.81 ft	on 03-01-1958
65.	9.65 ft	on 05-21-1957
66.	11.51 ft	on 05-13-1956
67.	8.98 ft	on 03-04-1955
68.	9.69 ft	on 02-18-1954
69.	8.00 ft	on 06-09-1953

1.	12.98 ft	on 04-21-1975
2.	12.84 ft	on 05-24-2004
3.	12.62 ft	on 02-23-2018
4.	12.45 ft	on 02-27-2019
5.	12.21 ft	on 04-06-2023
6.	12.05 ft	on 03-17-1982
7.	11.57 ft	on 06-30-1968
8.	11.56 ft	on 03-31-1960
9.	11.51 ft	on 09-15-2008
10.	11.51 ft	on 05-13-1956
11.	11.41 ft	on 04-08-2017
12.	11.32 ft	on 05-19-2020
13.	11.19 ft	on 03-05-1976
14.	11.19 ft	on 01-13-2005
15.	11.17 ft	on 04-20-1993
16.	11.12 ft	on 02-11-2001
17.	11.07 ft	on 05-30-2011
18.	11.02 ft	on 06-23-2015
19.	10.93 ft	on 03-11-1974
20.	10.90 ft	on 06-20-2019
21.	10.86 ft	on 03-12-2009
22.	10.84 ft	on 04-19-2013
23.	10.83 ft	on 06-01-1989
24.	10.66 ft	on 01-28-1991
25.	10.62 ft	on 01-01-1973
26.	10.59 ft	on 06-27-2021
27.	10.51 ft	on 02-21-1981
28.	10.49 ft	on 04-24-1999
29.	10.41 ft	on 06-19-1996
30.	10.36 ft	on 02-20-1994
31.	10.15 ft	on 02-22-1971
32.	10.10 ft	on 03-07-1979
33.	10.10 ft	on 03-13-1990
34.	10.01 ft	on 02-22-1997
35.	10.01 ft	on 03-23-2014
36.	9.87 ft	on 04-17-1972
37.	9.76 ft	on 03-07-1965
38.	9.74 ft	on 03-21-1962
39.	9.69 ft	on 02-18-1954
40.	9.68 ft	on 03-25-1978
41.	9.66 ft	on 03-11-1998
42.	9.65 ft	on 05-21-1957
43.	9.64 ft	on 09-23-2000
44.	9.58 ft	on 03-08-1959
45.	9.57 ft	on 02-22-1994
46.	9.53 ft	on 03-14-2010
47.	9.51 ft	on 03-14-2006
48.	9.50 ft	on 04-09-1970
49.	9.48 ft	on 02-01-1969
50.	9.38 ft	on 11-29-1990
51.	9.37 ft	on 04-25-2022
52.	9.36 ft	on 05-19-2000
53.	9.35 ft	on 03-14-1995
54.	9.15 ft	on 04-27-1961
55.	9.13 ft	on 04-27-1992
56.	9.06 ft	on 03-15-1967
57.	9.04 ft	on 03-03-2012
58.	9.00 ft	on 01-08-2007
59.	8.98 ft	on 03-04-1955
60.	8.95 ft	on 04-01-2016
61.	8.75 ft	on 04-05-2003
62.	8.69 ft	on 03-10-2002
63.	8.34 ft	on 03-20-1963
64.	8.27 ft	on 08-20-1980
65.	8.07 ft	on 03-24-1966
66.	8.00 ft	on 06-09-1953
67.	7.96 ft	on 04-07-1977
68.	7.81 ft	on 03-01-1958
69.	6.60 ft	on 05-09-1964