Grand River at Portland water level

Name: Grand River at Portland water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Grand River, Michigan, United States

Directions

Below flood stage

Water level

5.73ft Steady over the last 24 hours

Measured Oct 19, 2026, 02:00 PM EDT (22 min ago)

Flow: 324 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Grand River at Portland reads 5.73 ft, a normal level.

It is 6.27 ft below the flood stage of 12.00 ft.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 5.64 ft and 5.83 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 12.98 ftApril 21, 1975

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 12.00 ft, still 6.27 ft away.

What happens at each level

16.00 ft: 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.
14.00 ft: 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.
12.00 ft: Expect minor flooding in the Village of Lyons and low lying areas adjacent to the river. Two Rivers Park in Portland flooded.
11.00 ft: River is bankfull. Expect minor flooding of low areas along the river upstream and downstream of Portland.
5.73 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	12.98 ft	April 21, 1975
2	12.84 ft	May 24, 2004
3	12.62 ft	February 23, 2018
4	12.45 ft	February 27, 2019
5	12.21 ft	April 6, 2023
6	12.05 ft	March 17, 1982
7	11.57 ft	June 30, 1968
8	11.56 ft	March 31, 1960
9	11.51 ft	September 15, 2008
10	11.51 ft	May 13, 1956

Weather at the gauge

The forecast is not available right now.

Sunrise 07:58 AM Sunset 06:52 PM Daylight 10 hr, 54 min First quarter 61%

Map

Other gauges on the Grand River

Gauge	Level	Compared with normal	24 hours	Distance
Grand River at JacksonRiver gauge, Grand River	9.27 ft	Below flood stage	+0.02 ft	47 mi
Grand River at LansingRiver gauge, Grand River	2.47 ft	Below flood stage	−0.13 ft	20 mi
Grand River at IoniaRiver gauge, Grand River	8.37 ft	Below flood stage	+0.03 ft	11 mi
Grand River at AdaRiver gauge, Grand River	7.24 ft	Below flood stage	+0.06 ft	29 mi
Grand River at N Park St Ne at Grand RapidsRiver gauge, Grand River	3.56 ft	No reference yet	+0.04 ft	40 mi
Grand River at Grand RapidsRiver gauge, Grand River	1.83 ft	Below flood stage	+0.17 ft	39 mi
Grand River at State Highway M-11 at GrandvilleRiver gauge, Grand River	2,120 cfs	Normal	+270 cfs	43 mi
Grand River near EastmanvilleRiver gauge, Grand River	1,660 cfs	Low	−180.0 cfs	58 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Looking Glass River near EagleRiver gauge, Looking Glass River	2.65 ft	Below flood stage	−0.03 ft	8 mi
Maple River at Maple RapidsRiver gauge, Maple River	2.69 ft	Below flood stage	+0.05 ft	21 mi
Quaker Brook at State Highway M-66 near NashvilleRiver gauge, Quaker Brook	6.3 cfs	Normal	−0.7 cfs	22 mi
Flat River at SmyrnaRiver gauge, Flat River	3.37 ft	Below flood stage	−0.02 ft	22 mi
Thornapple River near HastingsRiver gauge, Thornapple River	3.31 ft	Below flood stage	−0.02 ft	23 mi
Red Cedar River at East LansingRiver gauge, Red Cedar River	3.41 ft	Below flood stage	+0.02 ft	24 mi
Sycamore Creek at Holt Road near HoltRiver gauge, Sycamore Creek	2.41 ft	Below flood stage	−0.02 ft	26 mi
Fish Creek near CrystalRiver gauge, Fish Creek	17.2 cfs	Very low	−0.9 cfs	27 mi

Questions and answers

What is flood stage for the Grand River at Portland?

The official flood stage is 12.00 ft. The level is currently 6.27 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Grand River at Portland today?

On Oct 19, 2026, 02:00 PM EDT, the water level was 5.73 ft. Steady over the last 24 hours.

Is Grand River at Portland rising or falling?

Steady over the last 24 hours.

Is the level of Grand River at Portland normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Grand River at Portland?

The highest level on record is 12.98 ft on April 21, 1975.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:04114000 (Agency page)
Coordinates: 42.85642, -84.91222 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	5.73 ft	2026-10-19 18:00	Provisional
Flow	324 cfs	2026-10-19 18:00	Provisional

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How to cite

U.S. Geological Survey: Grand River at Portland (usgs:04114000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/michigan/grand-river-at-portland

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer