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Skagit Rivernear Concrete, WA (Gauge CONW1)
Forecast | Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge CONW1
Normal Stage: 16.91 ft
Flow: 10.7 kcfs*
(impacts and historical events)
Action Stages:
28': Flood
30': Moderate Flood
32.5': Major Flood
Gauge CONW1 Forecast / History chart | graph
Stage Date CST Stage ft Flow kcfs
FORECAST 02/23/2012 10:00 pm 19.21 18.300
FORECAST 02/23/2012 04:00 pm 18.83 16.900
FORECAST 02/23/2012 10:00 am 18.43 15.500
FORECAST 02/23/2012 04:00 am 18.05 14.200
FORECAST 02/22/2012 10:00 pm 17.73 13.200
FORECAST 02/22/2012 04:00 pm 17.54 12.600
FORECAST 02/22/2012 10:00 am 17.46 12.400
FORECAST 02/22/2012 04:00 am 17.43 12.300
FORECAST 02/21/2012 10:00 pm 17.40 12.200
FORECAST 02/21/2012 04:00 pm 17.33 11.900
FORECAST 02/21/2012 10:00 am 17.30 11.900
FORECAST 02/21/2012 04:00 am 17.30 11.900
FORECAST 02/20/2012 10:00 pm 17.33 11.900
FORECAST 02/20/2012 04:00 pm 17.37 12.100
FORECAST 02/20/2012 10:00 am 17.42 12.200
FORECAST 02/20/2012 04:00 am 17.48 12.400
FORECAST 02/19/2012 10:00 pm 17.55 12.600
FORECAST 02/19/2012 04:00 pm 17.64 12.900
FORECAST 02/19/2012 10:00 am 17.74 13.200
FORECAST 02/19/2012 04:00 am 17.84 13.500
FORECAST 02/18/2012 10:00 pm 17.89 13.700
FORECAST 02/18/2012 04:00 pm 17.87 13.600
FORECAST 02/18/2012 10:00 am 17.90 13.700
FORECAST 02/18/2012 04:00 am 17.93 13.800
FORECAST 02/17/2012 10:00 pm 17.85 13.600
FORECAST 02/17/2012 04:00 pm 17.67 13.000
FORECAST 02/17/2012 10:00 am 17.72 13.200
FORECAST 02/17/2012 04:00 am 17.84 13.500
FORECAST 02/16/2012 10:00 pm 17.77 13.300
FORECAST 02/16/2012 04:00 pm 17.54 12.600
FORECAST 02/16/2012 10:00 am 17.58 12.700
CURRENT 02/16/2012 05:45 am 16.91 10.700
  02/16/2012 05:30 am 16.90 10.600
  02/16/2012 05:15 am 16.94 10.800
  02/16/2012 05:00 am 17.02 11.000
  02/16/2012 04:45 am 17.00 11.000
  02/16/2012 04:30 am 17.05 11.100
  02/16/2012 04:15 am 17.08 11.200
  02/16/2012 04:00 am 17.12 11.300
  02/16/2012 03:45 am 17.11 11.300
  02/16/2012 03:30 am 17.17 11.500
  02/16/2012 03:15 am 17.17 11.500
  02/16/2012 03:00 am 17.20 11.600
  02/16/2012 02:45 am 17.18 11.500
  02/16/2012 02:30 am 17.23 11.600
  02/16/2012 02:15 am 17.22 11.600
  02/16/2012 02:00 am 17.22 11.600
  02/16/2012 01:45 am 17.22 11.600
  02/16/2012 01:30 am 17.21 11.600
  02/16/2012 01:15 am 17.18 11.500
  02/16/2012 01:00 am 17.23 11.600
  02/16/2012 12:45 am 17.21 11.600
  02/16/2012 12:30 am 17.20 11.600
  02/16/2012 12:15 am 17.21 11.600
  02/16/2012 12:00 am 17.24 11.700
  02/15/2012 11:45 pm 17.20 11.600
  02/15/2012 11:30 pm 17.20 11.600
  02/15/2012 11:15 pm 17.24 11.700
  02/15/2012 11:00 pm 17.19 11.500
  02/15/2012 10:45 pm 17.23 11.600
  02/15/2012 10:30 pm 17.20 11.600
  02/15/2012 10:15 pm 17.19 11.500
Flood Impacts and Historical Events
Stage Impacts
40.0the Skagit River will cause severe near record flooding from Rockport downstream through Sedro Woolley. Deep and swift flood waters will inundate and damage roads...farms and business and residential areas...especially Cape Horn...Hamilton...and Thunderbird. Cockreham Island...the Nookachamps and the Sterling areas will be inundated. Levees east of Sedro Woolley may be damaged. This level at this location on the Skagit corresponds to a Phase 3 flood in the Skagit County flood system.
37.0the Skagit River will cause major flooding from Rockport downstream through Sedro Woolley. Deep and swift flood waters will inundate many roads...farms...and some business and residential areas especially Cape Horn...Hamilton...and thunderbird. Cockreham Island...the Nookachamps area and the Sterling area will be inundated. Levees east of Sedro Woolley may be damaged. This level for this location on the Skagit corresponds to a Phase 3 flood in the Skagit County flood system.
32.5the Skagit River will cause flooding from Rockport downstream through Sedro Woolley. Flood waters will inundate low areas near the river...roads...and several residential areas mainly Cape Horn...Hamilton and Thunderbird. Some water will flow onto Cockreham Island and into the Nookachamps and Sterling areas. Flooding will also occur in headwaters...tributaries...and other streams within the Skagit Basin. This level for this location corresponds to a Phase 2 flood in the Skagit County flood system.
28.0the Skagit River will flood low areas and sections of roads along the river from Rockport downstream to Sedro Woolley. This level for this location on the Skagit corresponds to a Phase 1 flood in the Skagit County flood system.
Historical Crests Record Lows
1) 42.21 ft on 10/21/2003
2) 41.57 ft on 11/29/1995
3) 40.80 ft on 11/27/1949
4) 40.20 ft on 11/10/1990
5) 40.19 ft on 12/26/1980
1) 0.00 ft on 10/24/1925

Data provided by NOAA Advanced Hydrologic Prediction Service

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