Grays River at Covered Bridge near Rosburg

Highest listed crest 33.36 ftFlood stage 28.5 ft36 crests since 2005

The Grays River at Covered Bridge near Rosburg crested at major flood stage 8 times among the 36 crests the National Weather Service lists from 2005 to 2026. The highest, 33.36 ft on December 9, 2025, was major flooding, 4.86 feet above flood stage.

The gauge

Highest listed crest: 33.36 ft; December 9, 2025; 20,798 cubic feet per second
Flood stage: 28.5 ft; Major flooding from 32.5 ft
Crests at major: 8; 15th of 70 gauges in Washington
Most recent flood crest: March 12, 2026; 30.62 ft, moderate flooding
Location: Wahkiakum County; Washington
Identifiers: NWS GRRW1; No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Grays River at Covered Bridge near Rosburg

Action stage	27.5	0	—	The level at which the NWS or its partners begin to take action
Flood stage (minor)	28.5	11	Dec 15, 2025	Minimal or no property damage, but possibly some public threat
Moderate flood stage	30.5	16	Mar 12, 2026	Some inundation of structures and roads near the stream
Major flood stage	32.5	8	Dec 9, 2025	Extensive inundation of structures and roads

Every listed crest

36 crests from 2005 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Grays River at Covered Bridge near Rosburg

1	Dec 9, 2025	33.36	+4.86	Major	20,798
2	Dec 3, 2007	33.15	+4.65	Major	20,200
3	Jan 7, 2009	32.80	+4.30	Major	19,000
4	Jan 7, 2022	32.78	+4.28	Major	19,000
5	Nov 17, 2015	32.75	+4.25	Major	19,000
6	Dec 5, 2023	32.70	+4.20	Major	—
7	Nov 19, 2012	32.68	+4.18	Major	18,700
8	Nov 7, 2006	32.65	+4.15	Major	18,500
9	Oct 22, 2017	32.21	+3.71	Moderate	17,000
10	Dec 9, 2015	32.05	+3.55	Moderate	16,000
11	Jan 5, 2015	32.04	+3.54	Moderate	16,400
12	Nov 22, 2017	31.95	+3.45	Moderate	16,000
13	Nov 12, 2021	31.92	+3.42	Moderate	15,950
14	Feb 25, 2025	31.92	+3.42	Moderate	—
15	Nov 13, 2008	31.65	+3.15	Moderate	15,000
16	Dec 13, 2010	31.64	+3.14	Moderate	15,000
17	Jan 10, 2006	31.60	+3.10	Moderate	14,700
18	Jan 16, 2011	31.54	+3.04	Moderate	14,700
19	Mar 15, 2012	31.36	+2.86	Moderate	14,300
20	Oct 31, 2015	31.33	+2.83	Moderate	14,200
21	Nov 13, 2015	31.01	+2.51	Moderate	13,400
22	Mar 12, 2026	30.62	+2.12	Moderate	12,436
23	Feb 6, 2015	30.58	+2.08	Moderate	12,300
24	Nov 25, 2016	30.52	+2.02	Moderate	12,200
25	Dec 21, 2014	30.25	+1.75	Minor	11,600
26	Dec 29, 2017	30.05	+1.55	Minor	11,100
27	Dec 15, 2025	29.95	+1.45	Minor	10,918
28	Feb 17, 2014	29.88	+1.38	Minor	10,800
29	Dec 18, 2018	29.82	+1.32	Minor	10,624
30	Jan 21, 2012	29.75	+1.25	Minor	11,000
31	Jan 7, 2007	29.52	+1.02	Minor	10,000
32	Mar 30, 2012	29.50	+1.00	Minor	9,900
33	Feb 22, 2012	29.39	+0.89	Minor	9,700
34	Nov 1, 2025	28.66	+0.16	Minor	8,220
35	Nov 4, 2023	28.53	+0.03	Minor	8,400
36	Dec 28, 2005	26.95	−1.55	Below flood stage	5,400

Wahkiakum County: every hazard · River floods across the country · Washington

NOAA National Water Prediction Service, gauge GRRW1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.