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Hydrograph River at a Glance Download
Alsea River near Tidewater Stage (ft)Flow (cfs)Highest Observation: 7.74 ft at 6:00AM Dec 26, 2014Observed: 7.71 ft at 6:30AM Dec 26, 2014Observed: 7.71 ft at 7:00AM Dec 26, 2014Observed: 7.68 ft at 7:30AM Dec 26, 2014Observed: 7.67 ft at 8:00AM Dec 26, 2014Observed: 7.65 ft at 8:30AM Dec 26, 2014Observed: 7.63 ft at 9:00AM Dec 26, 2014Observed: 7.62 ft at 9:30AM Dec 26, 2014Observed: 7.61 ft at 10:00AM Dec 26, 2014Observed: 7.58 ft at 10:30AM Dec 26, 2014Observed: 7.57 ft at 11:00AM Dec 26, 2014Observed: 7.53 ft at 11:30AM Dec 26, 2014Observed: 7.53 ft at 12:00PM Dec 26, 2014Observed: 7.5 ft at 12:30PM Dec 26, 2014Observed: 7.49 ft at 1:00PM Dec 26, 2014Observed: 7.47 ft at 1:30PM Dec 26, 2014Observed: 7.45 ft at 2:00PM Dec 26, 2014Observed: 7.43 ft at 2:30PM Dec 26, 2014Observed: 7.42 ft at 3:00PM Dec 26, 2014Observed: 7.4 ft at 3:30PM Dec 26, 2014Observed: 7.38 ft at 4:00PM Dec 26, 2014Observed: 7.36 ft at 4:30PM Dec 26, 2014Observed: 7.35 ft at 5:00PM Dec 26, 2014Observed: 7.32 ft at 5:30PM Dec 26, 2014Observed: 7.31 ft at 6:00PM Dec 26, 2014Observed: 7.29 ft at 6:30PM Dec 26, 2014Observed: 7.27 ft at 7:00PM Dec 26, 2014Observed: 7.25 ft at 7:30PM Dec 26, 2014Observed: 7.24 ft at 8:00PM Dec 26, 2014Observed: 7.2 ft at 8:30PM Dec 26, 2014Observed: 7.19 ft at 9:00PM Dec 26, 2014Observed: 7.19 ft at 9:30PM Dec 26, 2014Observed: 7.18 ft at 10:00PM Dec 26, 2014Observed: 7.15 ft at 10:30PM Dec 26, 2014Observed: 7.14 ft at 11:00PM Dec 26, 2014Observed: 7.12 ft at 11:30PM Dec 26, 2014Observed: 7.11 ft at 12:00AM Dec 27, 2014Observed: 7.09 ft at 12:30AM Dec 27, 2014Observed: 7.08 ft at 1:00AM Dec 27, 2014Observed: 7.05 ft at 1:30AM Dec 27, 2014Observed: 7.05 ft at 2:00AM Dec 27, 2014Observed: 7.02 ft at 2:30AM Dec 27, 2014Observed: 7.01 ft at 3:00AM Dec 27, 2014Observed: 6.99 ft at 3:30AM Dec 27, 2014Observed: 6.99 ft at 4:00AM Dec 27, 2014Observed: 6.96 ft at 4:30AM Dec 27, 2014Observed: 6.95 ft at 5:00AM Dec 27, 2014Observed: 6.93 ft at 5:30AM Dec 27, 2014Observed: 6.92 ft at 6:00AM Dec 27, 2014Observed: 6.9 ft at 6:30AM Dec 27, 2014Observed: 6.89 ft at 7:00AM Dec 27, 2014Observed: 6.87 ft at 7:30AM Dec 27, 2014Observed: 6.87 ft at 8:00AM Dec 27, 2014Observed: 6.84 ft at 8:30AM Dec 27, 2014Observed: 6.83 ft at 9:00AM Dec 27, 2014Observed: 6.82 ft at 9:30AM Dec 27, 2014Observed: 6.81 ft at 10:00AM Dec 27, 2014Observed: 6.78 ft at 10:30AM Dec 27, 2014Observed: 6.77 ft at 11:00AM Dec 27, 2014Observed: 6.76 ft at 11:30AM Dec 27, 2014Observed: 6.75 ft at 12:00PM Dec 27, 2014Observed: 6.73 ft at 12:30PM Dec 27, 2014Observed: 6.73 ft at 1:00PM Dec 27, 2014Observed: 6.71 ft at 1:30PM Dec 27, 2014Observed: 6.7 ft at 2:00PM Dec 27, 2014Observed: 6.69 ft at 2:30PM Dec 27, 2014Observed: 6.69 ft at 3:00PM Dec 27, 2014Observed: 6.67 ft at 3:30PM Dec 27, 2014Observed: 6.67 ft at 4:00PM Dec 27, 2014Observed: 6.67 ft at 4:30PM Dec 27, 2014Observed: 6.66 ft at 5:00PM Dec 27, 2014Observed: 6.65 ft at 5:30PM Dec 27, 2014Observed: 6.65 ft at 6:00PM Dec 27, 2014Observed: 6.65 ft at 6:30PM Dec 27, 2014Observed: 6.65 ft at 7:00PM Dec 27, 2014Observed: 6.65 ft at 7:30PM Dec 27, 2014Observed: 6.65 ft at 8:00PM Dec 27, 2014Observed: 6.65 ft at 8:30PM Dec 27, 2014Observed: 6.65 ft at 9:00PM Dec 27, 2014Observed: 6.65 ft at 9:30PM Dec 27, 2014Observed: 6.65 ft at 10:00PM Dec 27, 2014Observed: 6.65 ft at 10:30PM Dec 27, 2014Observed: 6.65 ft at 11:00PM Dec 27, 2014Observed: 6.65 ft at 11:30PM Dec 27, 2014Observed: 6.64 ft at 12:00AM Dec 28, 2014Observed: 6.64 ft at 12:30AM Dec 28, 2014Observed: 6.63 ft at 1:00AM Dec 28, 2014Observed: 6.63 ft at 1:30AM Dec 28, 2014Observed: 6.62 ft at 2:00AM Dec 28, 2014Observed: 6.61 ft at 2:30AM Dec 28, 2014Observed: 6.6 ft at 3:00AM Dec 28, 2014Observed: 6.59 ft at 3:30AM Dec 28, 2014Observed: 6.58 ft at 4:00AM Dec 28, 2014Observed: 6.57 ft at 4:30AM Dec 28, 2014Observed: 6.57 ft at 5:00AM Dec 28, 2014Observed: 6.55 ft at 5:30AM Dec 28, 2014Observed: 6.54 ft at 6:00AM Dec 28, 2014Observed: 6.53 ft at 6:30AM Dec 28, 2014Observed: 6.52 ft at 7:00AM Dec 28, 2014Observed: 6.51 ft at 7:30AM Dec 28, 2014Observed: 6.5 ft at 8:00AM Dec 28, 2014Observed: 6.48 ft at 8:30AM Dec 28, 2014Observed: 6.47 ft at 9:00AM Dec 28, 2014Observed: 6.46 ft at 9:30AM Dec 28, 2014Observed: 6.45 ft at 10:00AM Dec 28, 2014Observed: 6.45 ft at 10:30AM Dec 28, 2014Observed: 6.45 ft at 11:00AM Dec 28, 2014Observed: 6.44 ft at 11:30AM Dec 28, 2014Observed: 6.44 ft at 12:00PM Dec 28, 2014Observed: 6.43 ft at 12:30PM Dec 28, 2014Observed: 6.43 ft at 1:00PM Dec 28, 2014Observed: 6.42 ft at 1:30PM Dec 28, 2014Observed: 6.41 ft at 2:00PM Dec 28, 2014Observed: 6.41 ft at 2:30PM Dec 28, 2014Observed: 6.4 ft at 3:00PM Dec 28, 2014Observed: 6.39 ft at 3:30PM Dec 28, 2014Observed: 6.38 ft at 4:00PM Dec 28, 2014Observed: 6.37 ft at 4:30PM Dec 28, 2014Observed: 6.37 ft at 5:00PM Dec 28, 2014Observed: 6.36 ft at 5:30PM Dec 28, 2014Observed: 6.36 ft at 6:00PM Dec 28, 2014Observed: 6.35 ft at 6:30PM Dec 28, 2014Observed: 6.34 ft at 7:00PM Dec 28, 2014Observed: 6.34 ft at 7:30PM Dec 28, 2014Observed: 6.34 ft at 8:00PM Dec 28, 2014Observed: 6.33 ft at 8:30PM Dec 28, 2014Observed: 6.32 ft at 9:00PM Dec 28, 2014Observed: 6.31 ft at 9:30PM Dec 28, 2014Observed: 6.31 ft at 10:00PM Dec 28, 2014Observed: 6.3 ft at 10:30PM Dec 28, 2014Observed: 6.29 ft at 11:00PM Dec 28, 2014Observed: 6.29 ft at 11:30PM Dec 28, 2014Observed: 6.29 ft at 12:00AM Dec 29, 2014Observed: 6.28 ft at 12:30AM Dec 29, 2014Observed: 6.27 ft at 1:00AM Dec 29, 2014Observed: 6.27 ft at 1:30AM Dec 29, 2014Observed: 6.26 ft at 2:00AM Dec 29, 2014Observed: 6.26 ft at 2:30AM Dec 29, 2014Observed: 6.26 ft at 3:00AM Dec 29, 2014Observed: 6.25 ft at 3:30AM Dec 29, 2014Observed: 6.26 ft at 4:00AM Dec 29, 2014Observed: 6.26 ft at 4:30AM Dec 29, 2014Observed: 6.26 ft at 5:00AM Dec 29, 2014Highest Forecast: 6.13 ft 10:00AM Dec 29, 2014Forecast: 6.06 ft 4:00PM Dec 29, 2014Forecast: 5.98 ft 10:00PM Dec 29, 2014Forecast: 5.9 ft 4:00AM Dec 30, 2014Forecast: 5.79 ft 10:00AM Dec 30, 2014Forecast: 5.66 ft 4:00PM Dec 30, 2014Forecast: 5.53 ft 10:00PM Dec 30, 2014Forecast: 5.39 ft 4:00AM Dec 31, 2014Forecast: 5.31 ft 10:00AM Dec 31, 2014Forecast: 5.22 ft 4:00PM Dec 31, 2014Forecast: 5.14 ft 10:00PM Dec 31, 2014Forecast: 5.07 ft 4:00AM Jan 01, 2015Forecast: 4.99 ft 10:00AM Jan 01, 2015Forecast: 4.93 ft 4:00PM Jan 01, 2015Forecast: 4.87 ft 10:00PM Jan 01, 2015Forecast: 4.81 ft 4:00AM Jan 02, 2015Forecast: 4.76 ft 10:00AM Jan 02, 2015Forecast: 4.72 ft 4:00PM Jan 02, 2015Forecast: 4.69 ft 10:00PM Jan 02, 2015Forecast: 4.65 ft 4:00AM Jan 03, 2015USGS--Water Resources of the United StatesTIDO3(plotting HGIRG) Graph Created (5:33AM Dec 29, 2014)ObservedForecast (issued 8:59AM Dec 28)Latest observed value: 6.26 ft at 5:00 AM PST 29-Dec-2014. Flood Stage is 18 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Alsea River near Tidewater are issued routinely year-round.
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Flood Categories (in feet)
Major Flood Stage: 23
Moderate Flood Stage: 0
Flood Stage: 18
Action Stage: 16
Low Stage (in feet): 0

Historic Crests
(1) 29.50 ft on 02/03/1890
(2) 27.44 ft on 12/22/1964
(3) 25.71 ft on 01/21/1972
(4) 24.55 ft on 01/16/1974
(5) 24.04 ft on 12/28/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.88 ft on 11/20/2012
(2) 23.61 ft on 01/20/2012
(3) 21.80 ft on 12/04/2007
(4) 21.78 ft on 12/31/2005
(5) 20.04 ft on 11/26/1999
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
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
24 Above 24 ft, Expect flooding of numerous homes in the 'Little Albany' area, along with widespread flooding of numerous roads and structures along the river.
23 Above 23 ft, Flooding begins at 'Alsea Riviera' and 'Little Albany' between Milepost 8 and 10 near Tidewater along State Hwy 34. Widespread lowland and pasture flooding will also continue.
20 Above 20 ft, Water begins to surround houses at the 'Little Albany' community on Highway 34 near Milepost 8. Widespread pasture and dairy land flooding can be expected. Flooding of numerous roads along and near the river occurs at this level.
18 Above 18 ft, expect minor flooding of low-lying pasture land, roads, and a few structures close to the river.
Photos
(1) USGS gage house
(2) Upstream view from USGS gage
(3) Downstream view from Thissell Rd Bridge just upstream of gage
About This Location Collapse

Latitude: 44.387778° N, Longitude: 123.833333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 18 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 48.165 ft 66.165 ft 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
Archived/Historical Data at USACE DataQuery
10-day Forecast/Trend, Northwest River Forecast Center
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
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Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 20-Nov-2014 2:52 AM
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