Grays River at Covered Bridge near Rosburg

Last updated: Mar 29, 2025, 12:51 PM UTC

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Scale to Flood Categories

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Observed (OBS) 03/29/2025 5:15 AM PDT

Low Threshold: 0 ft

CATEGORY STAGE

Major Flooding 32.5 ft

Moderate Flooding 30.5 ft

Minor Flooding 28.5 ft

Action 27.5 ft

Reliability of the Forecast:

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

The reference level, or vertical datum, for this gage has been updated to NAVD88. That means the stage heights will now be reported from that reference level which will give the water level as height above mean sea level. All flood stages have been changed accordingly.
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	CATEGORY	STAGE
	Major Flooding	32.5 ft
	Moderate Flooding	30.5 ft
	Minor Flooding	28.5 ft
	Action	27.5 ft

Flood Impacts 🅘

32.5 - expect major flooding of lowland areas and roads in the vicinity of Hwy 4 and Rosburg. Numerous road closures are likely, including Covered Bridge Road where the river gage is located, Satterlund Road upstream of the gage, and the following downstream of the gage: Altoona Piller Rock Road, including bridge approaches, Loop Road, and Barr Road. Some homes and buildings in low areas near the river are threatened with flooding above this level.
30.5 - expect widespread lowland flooding and numerous flooded roads near Rosburg and Hwy 4. These include Covered Bridge Road near the gage and the roadway approaches to the Altoona Bridge downstream of the gage.
28.5 - expect some flooding of roads along and near the Grays River, especially downstream of the gage, including roadway approaches to the Altoona Bridge over the Grays, and portions of Covered Bridge Road, Barr-Durrah Road, and Loop Road near Rosburg and Hwy 4.

Gauge Info

Coordinates	46.3550, -123.582
RFC	NWRFC
State	WA
WFO	PQR
County	Wahkiakum

Gauge Location

Recent Crests

1.	31.92 ft	on 02-25-2025	(P)
2.	32.70 ft	on 12-05-2023
3.	28.53 ft	on 11-04-2023
4.	32.78 ft	on 01-07-2022
5.	31.92 ft	on 11-12-2021

Historic Crests

1.	33.15 ft	on 12-03-2007
2.	32.80 ft	on 01-07-2009
3.	32.78 ft	on 01-07-2022
4.	32.75 ft	on 11-17-2015
5.	32.70 ft	on 12-05-2023

Vertical Datum Table

type	NAVD88
major Flooding	32.50 ft
moderate Flooding	30.50 ft
minor Flooding	28.50 ft
action	27.50 ft
Latest Value	25.30 ft
Gauge Zero	0.00 ft

Gauge Photos

Photo 1 of 2

Dec 2007 flooding at Grays River gage location

Probability Information

No Images Available

Unique Local Info

Data is provided courtesy of the Washington Dept. of Ecology. For more information, click here.

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.

Resources

WFO Information

Weather Forecast Office

Portland

5241 NE 122nd Avenue

Portland, OR 97230-1089

(503) 261-9246

Ask Questions/Webmaster

Official Homepage

1.	31.92 ft	on 02-25-2025	(P)
2.	32.70 ft	on 12-05-2023
3.	28.53 ft	on 11-04-2023
4.	32.78 ft	on 01-07-2022
5.	31.92 ft	on 11-12-2021
6.	29.82 ft	on 12-18-2018
7.	30.05 ft	on 12-29-2017
8.	30.65 ft	on 11-23-2017
9.	31.95 ft	on 11-22-2017
10.	30.25 ft	on 11-20-2017
11.	32.21 ft	on 10-22-2017
12.	30.52 ft	on 11-25-2016
13.	32.05 ft	on 12-09-2015
14.	32.75 ft	on 11-17-2015
15.	31.01 ft	on 11-13-2015
16.	31.33 ft	on 10-31-2015
17.	30.58 ft	on 02-06-2015
18.	32.04 ft	on 01-05-2015
19.	30.25 ft	on 12-21-2014
20.	29.88 ft	on 02-17-2014
21.	32.68 ft	on 11-19-2012
22.	29.50 ft	on 03-30-2012
23.	31.36 ft	on 03-15-2012
24.	29.39 ft	on 02-22-2012
25.	29.75 ft	on 01-21-2012
26.	31.54 ft	on 01-16-2011
27.	30.51 ft	on 01-13-2011
28.	31.64 ft	on 12-13-2010
29.	32.80 ft	on 01-07-2009
30.	31.65 ft	on 11-13-2008
31.	33.15 ft	on 12-03-2007
32.	29.52 ft	on 01-07-2007
33.	28.55 ft	on 01-06-2007
34.	32.65 ft	on 11-07-2006
35.	31.60 ft	on 01-10-2006
36.	26.95 ft	on 12-28-2005

1.	33.15 ft	on 12-03-2007
2.	32.80 ft	on 01-07-2009
3.	32.78 ft	on 01-07-2022
4.	32.75 ft	on 11-17-2015
5.	32.70 ft	on 12-05-2023
6.	32.68 ft	on 11-19-2012
7.	32.65 ft	on 11-07-2006
8.	32.21 ft	on 10-22-2017
9.	32.05 ft	on 12-09-2015
10.	32.04 ft	on 01-05-2015
11.	31.95 ft	on 11-22-2017
12.	31.92 ft	on 11-12-2021
13.	31.92 ft	on 02-25-2025	(P)
14.	31.65 ft	on 11-13-2008
15.	31.64 ft	on 12-13-2010
16.	31.60 ft	on 01-10-2006
17.	31.54 ft	on 01-16-2011
18.	31.36 ft	on 03-15-2012
19.	31.33 ft	on 10-31-2015
20.	31.01 ft	on 11-13-2015
21.	30.65 ft	on 11-23-2017
22.	30.58 ft	on 02-06-2015
23.	30.52 ft	on 11-25-2016
24.	30.51 ft	on 01-13-2011
25.	30.25 ft	on 11-20-2017
26.	30.25 ft	on 12-21-2014
27.	30.05 ft	on 12-29-2017
28.	29.88 ft	on 02-17-2014
29.	29.82 ft	on 12-18-2018
30.	29.75 ft	on 01-21-2012
31.	29.52 ft	on 01-07-2007
32.	29.50 ft	on 03-30-2012
33.	29.39 ft	on 02-22-2012
34.	28.55 ft	on 01-06-2007
35.	28.53 ft	on 11-04-2023
36.	26.95 ft	on 12-28-2005