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Hydrograph River at a Glance Download
Alsea River near Tidewater Stage (ft)Flow (cfs)Observed: 1.19 ft at 1:00AM Sep 16, 2014Observed: 1.19 ft at 1:30AM Sep 16, 2014Observed: 1.19 ft at 2:00AM Sep 16, 2014Observed: 1.19 ft at 2:30AM Sep 16, 2014Observed: 1.19 ft at 3:00AM Sep 16, 2014Observed: 1.19 ft at 3:30AM Sep 16, 2014Observed: 1.19 ft at 4:00AM Sep 16, 2014Observed: 1.2 ft at 4:30AM Sep 16, 2014Observed: 1.2 ft at 5:00AM Sep 16, 2014Observed: 1.2 ft at 5:30AM Sep 16, 2014Observed: 1.2 ft at 6:00AM Sep 16, 2014Observed: 1.2 ft at 6:30AM Sep 16, 2014Observed: 1.2 ft at 7:00AM Sep 16, 2014Observed: 1.2 ft at 7:30AM Sep 16, 2014Observed: 1.2 ft at 8:00AM Sep 16, 2014Observed: 1.2 ft at 8:30AM Sep 16, 2014Observed: 1.2 ft at 9:00AM Sep 16, 2014Observed: 1.2 ft at 9:30AM Sep 16, 2014Observed: 1.2 ft at 10:00AM Sep 16, 2014Observed: 1.2 ft at 10:30AM Sep 16, 2014Observed: 1.2 ft at 11:00AM Sep 16, 2014Observed: 1.2 ft at 11:30AM Sep 16, 2014Observed: 1.2 ft at 12:00PM Sep 16, 2014Observed: 1.2 ft at 12:30PM Sep 16, 2014Observed: 1.2 ft at 1:00PM Sep 16, 2014Observed: 1.2 ft at 1:30PM Sep 16, 2014Observed: 1.2 ft at 2:00PM Sep 16, 2014Observed: 1.2 ft at 2:30PM Sep 16, 2014Observed: 1.2 ft at 3:00PM Sep 16, 2014Observed: 1.2 ft at 3:30PM Sep 16, 2014Observed: 1.2 ft at 4:00PM Sep 16, 2014Observed: 1.2 ft at 4:30PM Sep 16, 2014Observed: 1.2 ft at 5:00PM Sep 16, 2014Observed: 1.2 ft at 5:30PM Sep 16, 2014Observed: 1.2 ft at 6:00PM Sep 16, 2014Observed: 1.2 ft at 6:30PM Sep 16, 2014Observed: 1.2 ft at 7:00PM Sep 16, 2014Observed: 1.19 ft at 7:30PM Sep 16, 2014Observed: 1.19 ft at 8:00PM Sep 16, 2014Observed: 1.19 ft at 8:30PM Sep 16, 2014Observed: 1.19 ft at 9:00PM Sep 16, 2014Observed: 1.19 ft at 9:30PM Sep 16, 2014Observed: 1.19 ft at 10:00PM Sep 16, 2014Observed: 1.19 ft at 10:30PM Sep 16, 2014Observed: 1.19 ft at 11:00PM Sep 16, 2014Observed: 1.19 ft at 11:30PM Sep 16, 2014Observed: 1.19 ft at 12:00AM Sep 17, 2014Observed: 1.19 ft at 12:30AM Sep 17, 2014Observed: 1.19 ft at 1:00AM Sep 17, 2014Observed: 1.19 ft at 1:30AM Sep 17, 2014Observed: 1.19 ft at 2:00AM Sep 17, 2014Observed: 1.19 ft at 2:30AM Sep 17, 2014Observed: 1.19 ft at 3:00AM Sep 17, 2014Observed: 1.19 ft at 3:30AM Sep 17, 2014Observed: 1.19 ft at 4:00AM Sep 17, 2014Observed: 1.19 ft at 4:30AM Sep 17, 2014Observed: 1.19 ft at 5:00AM Sep 17, 2014Observed: 1.19 ft at 5:30AM Sep 17, 2014Observed: 1.19 ft at 6:00AM Sep 17, 2014Observed: 1.19 ft at 6:30AM Sep 17, 2014Observed: 1.19 ft at 7:00AM Sep 17, 2014Observed: 1.19 ft at 7:30AM Sep 17, 2014Observed: 1.19 ft at 8:00AM Sep 17, 2014Observed: 1.19 ft at 8:30AM Sep 17, 2014Observed: 1.19 ft at 9:00AM Sep 17, 2014Observed: 1.19 ft at 9:30AM Sep 17, 2014Observed: 1.19 ft at 10:00AM Sep 17, 2014Observed: 1.19 ft at 10:30AM Sep 17, 2014Observed: 1.19 ft at 11:00AM Sep 17, 2014Observed: 1.19 ft at 11:30AM Sep 17, 2014Observed: 1.19 ft at 12:00PM Sep 17, 2014Observed: 1.19 ft at 12:30PM Sep 17, 2014Observed: 1.19 ft at 1:00PM Sep 17, 2014Observed: 1.19 ft at 1:30PM Sep 17, 2014Observed: 1.19 ft at 2:00PM Sep 17, 2014Observed: 1.19 ft at 2:30PM Sep 17, 2014Observed: 1.19 ft at 3:00PM Sep 17, 2014Observed: 1.19 ft at 3:30PM Sep 17, 2014Observed: 1.19 ft at 4:00PM Sep 17, 2014Observed: 1.19 ft at 4:30PM Sep 17, 2014Observed: 1.19 ft at 5:00PM Sep 17, 2014Observed: 1.19 ft at 5:30PM Sep 17, 2014Observed: 1.19 ft at 6:00PM Sep 17, 2014Observed: 1.19 ft at 6:30PM Sep 17, 2014Observed: 1.19 ft at 7:00PM Sep 17, 2014Observed: 1.19 ft at 7:30PM Sep 17, 2014Observed: 1.19 ft at 8:00PM Sep 17, 2014Observed: 1.19 ft at 8:30PM Sep 17, 2014Observed: 1.19 ft at 9:00PM Sep 17, 2014Observed: 1.19 ft at 9:30PM Sep 17, 2014Observed: 1.19 ft at 10:00PM Sep 17, 2014Observed: 1.19 ft at 10:30PM Sep 17, 2014Observed: 1.19 ft at 11:00PM Sep 17, 2014Observed: 1.19 ft at 11:30PM Sep 17, 2014Observed: 1.19 ft at 12:00AM Sep 18, 2014Observed: 1.19 ft at 12:30AM Sep 18, 2014Observed: 1.19 ft at 1:00AM Sep 18, 2014Observed: 1.19 ft at 1:30AM Sep 18, 2014Observed: 1.19 ft at 2:00AM Sep 18, 2014Observed: 1.19 ft at 2:30AM Sep 18, 2014Observed: 1.19 ft at 3:00AM Sep 18, 2014Observed: 1.2 ft at 3:30AM Sep 18, 2014Observed: 1.2 ft at 4:00AM Sep 18, 2014Observed: 1.2 ft at 4:30AM Sep 18, 2014Observed: 1.2 ft at 5:00AM Sep 18, 2014Observed: 1.2 ft at 5:30AM Sep 18, 2014Observed: 1.2 ft at 6:00AM Sep 18, 2014Observed: 1.21 ft at 6:30AM Sep 18, 2014Observed: 1.21 ft at 7:00AM Sep 18, 2014Observed: 1.21 ft at 7:30AM Sep 18, 2014Observed: 1.21 ft at 8:00AM Sep 18, 2014Observed: 1.21 ft at 8:30AM Sep 18, 2014Observed: 1.21 ft at 9:00AM Sep 18, 2014Observed: 1.21 ft at 9:30AM Sep 18, 2014Observed: 1.21 ft at 10:00AM Sep 18, 2014Observed: 1.21 ft at 10:30AM Sep 18, 2014Observed: 1.21 ft at 11:00AM Sep 18, 2014Observed: 1.21 ft at 11:30AM Sep 18, 2014Observed: 1.21 ft at 12:00PM Sep 18, 2014Observed: 1.21 ft at 12:30PM Sep 18, 2014Observed: 1.21 ft at 1:00PM Sep 18, 2014Observed: 1.21 ft at 1:30PM Sep 18, 2014Observed: 1.21 ft at 2:00PM Sep 18, 2014Observed: 1.21 ft at 2:30PM Sep 18, 2014Observed: 1.21 ft at 3:00PM Sep 18, 2014Observed: 1.21 ft at 3:30PM Sep 18, 2014Observed: 1.21 ft at 4:00PM Sep 18, 2014Observed: 1.21 ft at 4:30PM Sep 18, 2014Observed: 1.21 ft at 5:00PM Sep 18, 2014Observed: 1.21 ft at 5:30PM Sep 18, 2014Observed: 1.21 ft at 6:00PM Sep 18, 2014Observed: 1.21 ft at 6:30PM Sep 18, 2014Observed: 1.21 ft at 7:00PM Sep 18, 2014Observed: 1.21 ft at 7:30PM Sep 18, 2014Observed: 1.21 ft at 8:00PM Sep 18, 2014Observed: 1.21 ft at 8:30PM Sep 18, 2014Observed: 1.21 ft at 9:00PM Sep 18, 2014Observed: 1.21 ft at 9:30PM Sep 18, 2014Observed: 1.21 ft at 10:00PM Sep 18, 2014Observed: 1.21 ft at 10:30PM Sep 18, 2014Observed: 1.21 ft at 11:00PM Sep 18, 2014Highest Observation: 1.22 ft at 11:30PM Sep 18, 2014Highest Observation: 1.22 ft at 12:00AM Sep 19, 2014Highest Forecast: 1.27 ft 5:00AM Sep 19, 2014Forecast: 1.25 ft 11:00AM Sep 19, 2014Forecast: 1.24 ft 5:00PM Sep 19, 2014Forecast: 1.23 ft 11:00PM Sep 19, 2014Forecast: 1.22 ft 5:00AM Sep 20, 2014Forecast: 1.21 ft 11:00AM Sep 20, 2014Forecast: 1.2 ft 5:00PM Sep 20, 2014Forecast: 1.19 ft 11:00PM Sep 20, 2014Forecast: 1.18 ft 5:00AM Sep 21, 2014Forecast: 1.18 ft 11:00AM Sep 21, 2014Forecast: 1.17 ft 5:00PM Sep 21, 2014Forecast: 1.17 ft 11:00PM Sep 21, 2014Forecast: 1.17 ft 5:00AM Sep 22, 2014Forecast: 1.16 ft 11:00AM Sep 22, 2014Forecast: 1.16 ft 5:00PM Sep 22, 2014Forecast: 1.16 ft 11:00PM Sep 22, 2014Forecast: 1.16 ft 5:00AM Sep 23, 2014Forecast: 1.16 ft 11:00AM Sep 23, 2014Forecast: 1.15 ft 5:00PM Sep 23, 2014Forecast: 1.16 ft 11:00PM Sep 23, 2014USGS--Water Resources of the United StatesTIDO3(plotting HGIRG) Graph Created (12:48AM Sep 19, 2014)ObservedForecast (issued 8:24AM Sep 18)Latest observed value: 1.22 ft at 12:00 AM PDT 19-Sep-2014. Flood Stage is 18 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
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

Historical 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 Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
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
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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.
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
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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.
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Page last modified: 5-Aug-2014 6:36 PM
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