National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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KLAMATH RIVER - ORLEANS (ONSC1)
Latitude: 41.30º NLongitude: 123.54º WElevation: 354 FeetForecast Type: Official Location
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Apr 14 2026 at 1:41 PM PDTNext Issuance: Apr 15 2026 at 9:00 AM PDT
Action/Monitor: 32.0 FeetMinor Flood: 38.0 FeetModerate Flood: 43.0 FeetMajor Flood: 48.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Orleans (ONSC1)
#
# File Generation Time:  04/14/2026 at 01:41 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/12/2026 at 11:00 AM PDT
# Maximum Observed Stage:                       6.21 Feet
# Maximum Observed Flow:                        7019 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/15/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       6.76 Feet
# Maximum Forecast Flow:                        7915 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/09/2026 01 PM PDT            5.12           5351                        Normal
  04/09/2026 02 PM PDT            5.15           5395         +              Normal
  04/09/2026 03 PM PDT            5.17           5424         +              Normal
  04/09/2026 04 PM PDT            5.14           5380         -              Normal
  04/09/2026 05 PM PDT            5.13           5366         -              Normal
  04/09/2026 06 PM PDT            5.12           5351         -              Normal
  04/09/2026 07 PM PDT            5.11           5336         -              Normal
  04/09/2026 08 PM PDT            5.15           5395         +              Normal
  04/09/2026 09 PM PDT            5.12           5351         -              Normal
  04/09/2026 10 PM PDT            5.15           5395         +              Normal
  04/09/2026 11 PM PDT            5.18           5439         +              Normal
  04/10/2026 12 AM PDT            5.18           5439         0              Normal
  04/10/2026 01 AM PDT            5.19           5454         +              Normal
  04/10/2026 02 AM PDT            5.20           5468         +              Normal
  04/10/2026 03 AM PDT            5.21           5483         +              Normal
  04/10/2026 04 AM PDT            5.20           5468         -              Normal
  04/10/2026 05 AM PDT            5.22           5498         +              Normal
  04/10/2026 06 AM PDT            5.22           5498         0              Normal
  04/10/2026 07 AM PDT            5.21           5483         -              Normal
  04/10/2026 08 AM PDT            5.25           5542         +              Normal
  04/10/2026 09 AM PDT            5.28           5587         +              Normal
  04/10/2026 10 AM PDT            5.27           5572         -              Normal
  04/10/2026 11 AM PDT            5.30           5616         +              Normal
  04/10/2026 12 PM PDT            5.31           5631         +              Normal
  04/10/2026 01 PM PDT            5.29           5601         -              Normal
  04/10/2026 02 PM PDT            5.26           5557         -              Normal
  04/10/2026 03 PM PDT            5.28           5587         +              Normal
  04/10/2026 04 PM PDT            5.26           5557         -              Normal
  04/10/2026 05 PM PDT            5.26           5557         0              Normal
  04/10/2026 06 PM PDT            5.26           5557         0              Normal
  04/10/2026 07 PM PDT            5.28           5587         +              Normal
  04/10/2026 08 PM PDT            5.28           5587         0              Normal
  04/10/2026 09 PM PDT            5.30           5616         +              Normal
  04/10/2026 10 PM PDT            5.30           5616         0              Normal
  04/10/2026 11 PM PDT            5.29           5601         -              Normal
  04/11/2026 12 AM PDT            5.29           5601         0              Normal
  04/11/2026 01 AM PDT            5.29           5601         0              Normal
  04/11/2026 02 AM PDT            5.31           5631         +              Normal
  04/11/2026 03 AM PDT            5.33           5661         +              Normal
  04/11/2026 04 AM PDT            5.39           5751         +              Normal
  04/11/2026 05 AM PDT            5.38           5736         -              Normal
  04/11/2026 06 AM PDT            5.39           5751         +              Normal
  04/11/2026 07 AM PDT            5.39           5751         0              Normal
  04/11/2026 08 AM PDT            5.39           5751         0              Normal
  04/11/2026 09 AM PDT            5.39           5751         0              Normal
  04/11/2026 10 AM PDT            5.46           5856         +              Normal
  04/11/2026 11 AM PDT            5.41           5781         -              Normal
  04/11/2026 12 PM PDT            5.41           5781         0              Normal
  04/11/2026 01 PM PDT            5.41           5781         0              Normal
  04/11/2026 02 PM PDT            5.41           5781         0              Normal
  04/11/2026 03 PM PDT            5.41           5781         0              Normal
  04/11/2026 04 PM PDT            5.42           5796         +              Normal
  04/11/2026 05 PM PDT            5.44           5826         +              Normal
  04/11/2026 06 PM PDT            5.45           5841         +              Normal
  04/11/2026 07 PM PDT            5.48           5886         +              Normal
  04/11/2026 08 PM PDT            5.53           5961         +              Normal
  04/11/2026 09 PM PDT            5.59           6052         +              Normal
  04/11/2026 10 PM PDT            5.60           6068         +              Normal
  04/11/2026 11 PM PDT            5.67           6175         +              Normal
  04/12/2026 12 AM PDT            5.74           6282         +              Normal
  04/12/2026 01 AM PDT            5.79           6359         +              Normal
  04/12/2026 02 AM PDT            5.86           6468         +              Normal
  04/12/2026 03 AM PDT            5.95           6608         +              Normal
  04/12/2026 04 AM PDT            5.97           6640         +              Normal
  04/12/2026 05 AM PDT            6.05           6765         +              Normal
  04/12/2026 06 AM PDT            6.08           6813         +              Normal
  04/12/2026 07 AM PDT            6.18           6971         +              Normal
  04/12/2026 08 AM PDT            6.20           7003         +              Normal
  04/12/2026 09 AM PDT            6.17           6956         -              Normal
  04/12/2026 10 AM PDT            6.19           6987         +              Normal
  04/12/2026 11 AM PDT            6.21           7019         +              Normal
  04/12/2026 12 PM PDT            6.13           6892         -              Normal
  04/12/2026 01 PM PDT            6.15           6924         +              Normal
  04/12/2026 02 PM PDT            6.11           6860         -              Normal
  04/12/2026 03 PM PDT            6.12           6876         +              Normal
  04/12/2026 04 PM PDT            6.08           6813         -              Normal
  04/12/2026 05 PM PDT            6.06           6781         -              Normal
  04/12/2026 06 PM PDT            6.04           6750         -              Normal
  04/12/2026 07 PM PDT            6.01           6702         -              Normal
  04/12/2026 08 PM PDT            5.98           6655         -              Normal
  04/12/2026 09 PM PDT            5.99           6671         +              Normal
  04/12/2026 10 PM PDT            5.99           6671         0              Normal
  04/12/2026 11 PM PDT            5.99           6671         0              Normal
  04/13/2026 12 AM PDT            5.99           6671         0              Normal
  04/13/2026 01 AM PDT            5.96           6624         -              Normal
  04/13/2026 02 AM PDT            5.97           6640         +              Normal
  04/13/2026 03 AM PDT            5.96           6624         -              Normal
  04/13/2026 04 AM PDT            5.96           6624         0              Normal
  04/13/2026 05 AM PDT            5.97           6640         +              Normal
  04/13/2026 06 AM PDT            5.97           6640         0              Normal
  04/13/2026 07 AM PDT            5.96           6624         -              Normal
  04/13/2026 08 AM PDT            5.99           6671         +              Normal
  04/13/2026 09 AM PDT            5.98           6655         -              Normal
  04/13/2026 10 AM PDT            6.01           6702         +              Normal
  04/13/2026 11 AM PDT            5.98           6655         -              Normal
  04/13/2026 12 PM PDT            5.95           6608         -              Normal
  04/13/2026 01 PM PDT            5.97           6640         +              Normal
  04/13/2026 02 PM PDT            5.93           6577         -              Normal
  04/13/2026 03 PM PDT            5.91           6546         -              Normal
  04/13/2026 04 PM PDT            5.92           6561         +              Normal
  04/13/2026 05 PM PDT            5.91           6546         -              Normal
  04/13/2026 06 PM PDT            5.90           6530         -              Normal
  04/13/2026 07 PM PDT            5.88           6499         -              Normal
  04/13/2026 08 PM PDT            5.88           6499         0              Normal
  04/13/2026 09 PM PDT            5.86           6468         -              Normal
  04/13/2026 10 PM PDT            5.86           6468         0              Normal
  04/13/2026 11 PM PDT            5.81           6390         -              Normal
  04/14/2026 12 AM PDT            5.81           6390         0              Normal
  04/14/2026 01 AM PDT            5.79           6359         -              Normal
  04/14/2026 02 AM PDT            5.84           6437         +              Normal
  04/14/2026 03 AM PDT            5.81           6390         -              Normal
  04/14/2026 04 AM PDT            5.80           6375         -              Normal
  04/14/2026 05 AM PDT            5.79           6359         -              Normal
  04/14/2026 06 AM PDT            5.80           6375         +              Normal
  04/14/2026 07 AM PDT            5.78           6344         -              Normal
  04/14/2026 08 AM PDT            5.80           6375         +              Normal
  04/14/2026 09 AM PDT            5.80           6375         0              Normal
  04/14/2026 10 AM PDT            5.78           6344         -              Normal
  04/14/2026 11 AM PDT            5.78           6344         0              Normal
  04/14/2026 12 PM PDT            5.73           6267         -              Normal
  04/14/2026 01 PM PDT            5.72           6251         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/14/2026 02 PM PDT            5.71           6236                        Normal
  04/14/2026 03 PM PDT            5.69           6205         -              Normal
  04/14/2026 04 PM PDT            5.68           6190         -              Normal
  04/14/2026 05 PM PDT            5.67           6175         -              Normal
  04/14/2026 06 PM PDT            5.67           6175         0              Normal
  04/14/2026 07 PM PDT            5.67           6175         0              Normal
  04/14/2026 08 PM PDT            5.68           6190         +              Normal
  04/14/2026 09 PM PDT            5.68           6190         0              Normal
  04/14/2026 10 PM PDT            5.68           6190         0              Normal
  04/14/2026 11 PM PDT            5.69           6205         +              Normal
  04/15/2026 12 AM PDT            5.69           6205         0              Normal
  04/15/2026 01 AM PDT            5.69           6205         0              Normal
  04/15/2026 02 AM PDT            5.68           6190         -              Normal
  04/15/2026 03 AM PDT            5.68           6190         0              Normal
  04/15/2026 04 AM PDT            5.68           6190         0              Normal
  04/15/2026 05 AM PDT            5.68           6190         0              Normal
  04/15/2026 06 AM PDT            5.68           6190         0              Normal
  04/15/2026 07 AM PDT            5.68           6190         0              Normal
  04/15/2026 08 AM PDT            5.68           6190         0              Normal
  04/15/2026 09 AM PDT            5.68           6190         0              Normal
  04/15/2026 10 AM PDT            5.70           6221         +              Normal
  04/15/2026 11 AM PDT            5.74           6282         +              Normal
  04/15/2026 12 PM PDT            5.78           6344         +              Normal
  04/15/2026 01 PM PDT            5.84           6437         +              Normal
  04/15/2026 02 PM PDT            5.91           6546         +              Normal
  04/15/2026 03 PM PDT            5.99           6671         +              Normal
  04/15/2026 04 PM PDT            6.08           6813         +              Normal
  04/15/2026 05 PM PDT            6.19           6987         +              Normal
  04/15/2026 06 PM PDT            6.31           7180         +              Normal
  04/15/2026 07 PM PDT            6.44           7390         +              Normal
  04/15/2026 08 PM PDT            6.56           7585         +              Normal
  04/15/2026 09 PM PDT            6.67           7766         +              Normal
  04/15/2026 10 PM PDT            6.73           7865         +              Normal
  04/15/2026 11 PM PDT            6.76           7915         +              Normal
  04/16/2026 12 AM PDT            6.74           7881         -              Normal
  04/16/2026 01 AM PDT            6.69           7799         -              Normal
  04/16/2026 02 AM PDT            6.62           7683         -              Normal
  04/16/2026 03 AM PDT            6.54           7552         -              Normal
  04/16/2026 04 AM PDT            6.46           7422         -              Normal
  04/16/2026 05 AM PDT            6.39           7309         -              Normal
  04/16/2026 06 AM PDT            6.33           7212         -              Normal
  04/16/2026 07 AM PDT            6.28           7131         -              Normal
  04/16/2026 08 AM PDT            6.23           7051         -              Normal
  04/16/2026 09 AM PDT            6.19           6987         -              Normal
  04/16/2026 10 AM PDT            6.16           6940         -              Normal
  04/16/2026 11 AM PDT            6.12           6876         -              Normal
  04/16/2026 12 PM PDT            6.09           6829         -              Normal
  04/16/2026 01 PM PDT            6.06           6781         -              Normal
  04/16/2026 02 PM PDT            6.03           6734         -              Normal
  04/16/2026 03 PM PDT            6.01           6702         -              Normal
  04/16/2026 04 PM PDT            5.98           6655         -              Normal
  04/16/2026 05 PM PDT            5.96           6624         -              Normal
  04/16/2026 06 PM PDT            5.94           6593         -              Normal
  04/16/2026 07 PM PDT            5.92           6561         -              Normal
  04/16/2026 08 PM PDT            5.91           6546         -              Normal
  04/16/2026 09 PM PDT            5.89           6515         -              Normal
  04/16/2026 10 PM PDT            5.88           6499         -              Normal
  04/16/2026 11 PM PDT            5.87           6483         -              Normal
  04/17/2026 12 AM PDT            5.86           6468         -              Normal
  04/17/2026 01 AM PDT            5.85           6452         -              Normal
  04/17/2026 02 AM PDT            5.84           6437         -              Normal
  04/17/2026 03 AM PDT            5.83           6421         -              Normal
  04/17/2026 04 AM PDT            5.82           6406         -              Normal
  04/17/2026 05 AM PDT            5.81           6390         -              Normal
  04/17/2026 06 AM PDT            5.79           6359         -              Normal
  04/17/2026 07 AM PDT            5.77           6328         -              Normal
  04/17/2026 08 AM PDT            5.76           6313         -              Normal
  04/17/2026 09 AM PDT            5.74           6282         -              Normal
  04/17/2026 10 AM PDT            5.72           6251         -              Normal
  04/17/2026 11 AM PDT            5.70           6221         -              Normal
  04/17/2026 12 PM PDT            5.68           6190         -              Normal
  04/17/2026 01 PM PDT            5.66           6159         -              Normal
  04/17/2026 02 PM PDT            5.64           6129         -              Normal
  04/17/2026 03 PM PDT            5.63           6113         -              Normal
  04/17/2026 04 PM PDT            5.62           6098         -              Normal
  04/17/2026 05 PM PDT            5.62           6098         0              Normal
  04/17/2026 06 PM PDT            5.63           6113         +              Normal
  04/17/2026 07 PM PDT            5.64           6129         +              Normal
  04/17/2026 08 PM PDT            5.66           6159         +              Normal
  04/17/2026 09 PM PDT            5.68           6190         +              Normal
  04/17/2026 10 PM PDT            5.70           6221         +              Normal
  04/17/2026 11 PM PDT            5.72           6251         +              Normal
  04/18/2026 12 AM PDT            5.74           6282         +              Normal
  04/18/2026 01 AM PDT            5.76           6313         +              Normal
  04/18/2026 02 AM PDT            5.78           6344         +              Normal
  04/18/2026 03 AM PDT            5.79           6359         +              Normal
  04/18/2026 04 AM PDT            5.80           6375         +              Normal
  04/18/2026 05 AM PDT            5.80           6375         0              Normal
  04/18/2026 06 AM PDT            5.80           6375         0              Normal
  04/18/2026 07 AM PDT            5.80           6375         0              Normal
  04/18/2026 08 AM PDT            5.79           6359         -              Normal
  04/18/2026 09 AM PDT            5.78           6344         -              Normal
  04/18/2026 10 AM PDT            5.78           6344         0              Normal
  04/18/2026 11 AM PDT            5.78           6344         0              Normal
  04/18/2026 12 PM PDT            5.78           6344         0              Normal
  04/18/2026 01 PM PDT            5.78           6344         0              Normal
  04/18/2026 02 PM PDT            5.78           6344         0              Normal
  04/18/2026 03 PM PDT            5.79           6359         +              Normal
  04/18/2026 04 PM PDT            5.80           6375         +              Normal
  04/18/2026 05 PM PDT            5.81           6390         +              Normal
  04/18/2026 06 PM PDT            5.83           6421         +              Normal
  04/18/2026 07 PM PDT            5.85           6452         +              Normal
  04/18/2026 08 PM PDT            5.87           6483         +              Normal
  04/18/2026 09 PM PDT            5.89           6515         +              Normal
  04/18/2026 10 PM PDT            5.91           6546         +              Normal
  04/18/2026 11 PM PDT            5.92           6561         +              Normal
  04/19/2026 12 AM PDT            5.93           6577         +              Normal
  04/19/2026 01 AM PDT            5.94           6593         +              Normal
  04/19/2026 02 AM PDT            5.95           6608         +              Normal
  04/19/2026 03 AM PDT            5.95           6608         0              Normal
  04/19/2026 04 AM PDT            5.95           6608         0              Normal
  04/19/2026 05 AM PDT            5.95           6608         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.