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

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TRINITY RIVER - HOOPA (HOOC1)
Latitude: 41.05º NLongitude: 123.68º WElevation: 333 FeetForecast Type: Official Location
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 16 2026 at 7:59 AM PDTNext Issuance: Jun 17 2026 at 9:00 AM PDT
Action/Monitor: 44.0 FeetMinor Flood: 48.0 FeetModerate Flood: 52.0 FeetMajor Flood: 56.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Trinity River - Hoopa (HOOC1)
#
# File Generation Time:  06/16/2026 at 07:59 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/16/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       13.09 Feet
# Maximum Observed Flow:                        2027 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/16/2026 at 04:00 PM PDT
# Maximum Forecast Stage:                       13.10 Feet
# Maximum Forecast Flow:                        2036 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/11/2026 07 AM PDT           12.65           1630                        Normal
  06/11/2026 08 AM PDT           12.67           1647         +              Normal
  06/11/2026 09 AM PDT           12.66           1638         -              Normal
  06/11/2026 10 AM PDT           12.65           1630         -              Normal
  06/11/2026 11 AM PDT           12.66           1638         +              Normal
  06/11/2026 12 PM PDT           12.64           1621         -              Normal
  06/11/2026 01 PM PDT           12.64           1621         0              Normal
  06/11/2026 02 PM PDT           12.64           1621         0              Normal
  06/11/2026 03 PM PDT           12.63           1613         -              Normal
  06/11/2026 04 PM PDT           12.62           1604         -              Normal
  06/11/2026 05 PM PDT           12.63           1613         +              Normal
  06/11/2026 06 PM PDT           12.62           1604         -              Normal
  06/11/2026 07 PM PDT           12.61           1596         -              Normal
  06/11/2026 08 PM PDT           12.60           1588         -              Normal
  06/11/2026 09 PM PDT           12.61           1596         +              Normal
  06/11/2026 10 PM PDT           12.60           1588         -              Normal
  06/11/2026 11 PM PDT           12.60           1588         0              Normal
  06/12/2026 12 AM PDT           12.60           1588         0              Normal
  06/12/2026 01 AM PDT           12.61           1596         +              Normal
  06/12/2026 02 AM PDT           12.60           1588         -              Normal
  06/12/2026 03 AM PDT           12.59           1579         -              Normal
  06/12/2026 04 AM PDT           12.60           1588         +              Normal
  06/12/2026 05 AM PDT           12.59           1579         -              Normal
  06/12/2026 06 AM PDT           12.60           1588         +              Normal
  06/12/2026 07 AM PDT           12.59           1579         -              Normal
  06/12/2026 08 AM PDT           12.61           1596         +              Normal
  06/12/2026 09 AM PDT           12.60           1588         -              Normal
  06/12/2026 10 AM PDT           12.60           1588         0              Normal
  06/12/2026 11 AM PDT           12.59           1579         -              Normal
  06/12/2026 12 PM PDT           12.58           1571         -              Normal
  06/12/2026 01 PM PDT           12.56           1554         -              Normal
  06/12/2026 02 PM PDT           12.58           1571         +              Normal
  06/12/2026 03 PM PDT           12.59           1579         +              Normal
  06/12/2026 04 PM PDT           12.58           1571         -              Normal
  06/12/2026 05 PM PDT           12.57           1563         -              Normal
  06/12/2026 06 PM PDT           12.56           1554         -              Normal
  06/12/2026 07 PM PDT           12.56           1554         0              Normal
  06/12/2026 08 PM PDT           12.54           1538         -              Normal
  06/12/2026 09 PM PDT           12.55           1546         +              Normal
  06/12/2026 10 PM PDT           12.55           1546         0              Normal
  06/12/2026 11 PM PDT           12.55           1546         0              Normal
  06/13/2026 12 AM PDT           12.56           1554         +              Normal
  06/13/2026 01 AM PDT           12.56           1554         0              Normal
  06/13/2026 02 AM PDT           12.55           1546         -              Normal
  06/13/2026 03 AM PDT           12.55           1546         0              Normal
  06/13/2026 04 AM PDT           12.56           1554         +              Normal
  06/13/2026 05 AM PDT           12.57           1563         +              Normal
  06/13/2026 06 AM PDT           12.57           1563         0              Normal
  06/13/2026 07 AM PDT           12.56           1554         -              Normal
  06/13/2026 08 AM PDT           12.56           1554         0              Normal
  06/13/2026 09 AM PDT           12.57           1563         +              Normal
  06/13/2026 10 AM PDT           12.57           1563         0              Normal
  06/13/2026 11 AM PDT           12.56           1554         -              Normal
  06/13/2026 12 PM PDT           12.55           1546         -              Normal
  06/13/2026 01 PM PDT           12.55           1546         0              Normal
  06/13/2026 02 PM PDT           12.53           1529         -              Normal
  06/13/2026 03 PM PDT           12.53           1529         0              Normal
  06/13/2026 04 PM PDT           12.53           1529         0              Normal
  06/13/2026 05 PM PDT           12.52           1521         -              Normal
  06/13/2026 06 PM PDT           12.51           1513         -              Normal
  06/13/2026 07 PM PDT           12.51           1513         0              Normal
  06/13/2026 08 PM PDT           12.51           1513         0              Normal
  06/13/2026 09 PM PDT           12.51           1513         0              Normal
  06/13/2026 10 PM PDT           12.50           1505         -              Normal
  06/13/2026 11 PM PDT           12.50           1505         0              Normal
  06/14/2026 12 AM PDT           12.49           1497         -              Normal
  06/14/2026 01 AM PDT           12.51           1513         +              Normal
  06/14/2026 02 AM PDT           12.50           1505         -              Normal
  06/14/2026 03 AM PDT           12.51           1513         +              Normal
  06/14/2026 04 AM PDT           12.50           1505         -              Normal
  06/14/2026 05 AM PDT           12.52           1521         +              Normal
  06/14/2026 06 AM PDT           12.52           1521         0              Normal
  06/14/2026 07 AM PDT           12.52           1521         0              Normal
  06/14/2026 08 AM PDT           12.52           1521         0              Normal
  06/14/2026 09 AM PDT           12.53           1529         +              Normal
  06/14/2026 10 AM PDT           12.55           1546         +              Normal
  06/14/2026 11 AM PDT           12.56           1554         +              Normal
  06/14/2026 12 PM PDT           12.58           1571         +              Normal
  06/14/2026 01 PM PDT           12.58           1571         0              Normal
  06/14/2026 02 PM PDT           12.60           1588         +              Normal
  06/14/2026 03 PM PDT           12.61           1596         +              Normal
  06/14/2026 04 PM PDT           12.62           1604         +              Normal
  06/14/2026 05 PM PDT           12.61           1596         -              Normal
  06/14/2026 06 PM PDT           12.62           1604         +              Normal
  06/14/2026 07 PM PDT           12.62           1604         0              Normal
  06/14/2026 08 PM PDT           12.62           1604         0              Normal
  06/14/2026 09 PM PDT           12.64           1621         +              Normal
  06/14/2026 10 PM PDT           12.65           1630         +              Normal
  06/14/2026 11 PM PDT           12.66           1638         +              Normal
  06/15/2026 12 AM PDT           12.68           1655         +              Normal
  06/15/2026 01 AM PDT           12.70           1673         +              Normal
  06/15/2026 02 AM PDT           12.70           1673         0              Normal
  06/15/2026 03 AM PDT           12.72           1690         +              Normal
  06/15/2026 04 AM PDT           12.73           1699         +              Normal
  06/15/2026 05 AM PDT           12.72           1690         -              Normal
  06/15/2026 06 AM PDT           12.71           1681         -              Normal
  06/15/2026 07 AM PDT           12.71           1681         0              Normal
  06/15/2026 08 AM PDT           12.71           1681         0              Normal
  06/15/2026 09 AM PDT           12.72           1690         +              Normal
  06/15/2026 10 AM PDT           12.73           1699         +              Normal
  06/15/2026 11 AM PDT           12.73           1699         0              Normal
  06/15/2026 12 PM PDT           12.74           1707         +              Normal
  06/15/2026 01 PM PDT           12.75           1716         +              Normal
  06/15/2026 02 PM PDT           12.77           1734         +              Normal
  06/15/2026 03 PM PDT           12.77           1734         0              Normal
  06/15/2026 04 PM PDT           12.79           1751         +              Normal
  06/15/2026 05 PM PDT           12.81           1769         +              Normal
  06/15/2026 06 PM PDT           12.87           1823         +              Normal
  06/15/2026 07 PM PDT           12.94           1886         +              Normal
  06/15/2026 08 PM PDT           13.00           1942         +              Normal
  06/15/2026 09 PM PDT           13.03           1970         +              Normal
  06/15/2026 10 PM PDT           13.05           1989         +              Normal
  06/15/2026 11 PM PDT           13.07           2008         +              Normal
  06/16/2026 12 AM PDT           13.08           2017         +              Normal
  06/16/2026 01 AM PDT           13.09           2027         +              Normal
  06/16/2026 02 AM PDT           13.09           2027         0              Normal
  06/16/2026 03 AM PDT           13.09           2027         0              Normal
  06/16/2026 04 AM PDT           13.09           2027         0              Normal
  06/16/2026 05 AM PDT           13.09           2027         0              Normal
  06/16/2026 06 AM PDT           13.08           2017         -              Normal
  06/16/2026 07 AM PDT           13.08           2017         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/16/2026 08 AM PDT           13.08           2017                        Normal
  06/16/2026 09 AM PDT           13.08           2017         0              Normal
  06/16/2026 10 AM PDT           13.08           2017         0              Normal
  06/16/2026 11 AM PDT           13.08           2017         0              Normal
  06/16/2026 12 PM PDT           13.09           2027         +              Normal
  06/16/2026 01 PM PDT           13.09           2027         0              Normal
  06/16/2026 02 PM PDT           13.09           2027         0              Normal
  06/16/2026 03 PM PDT           13.09           2027         0              Normal
  06/16/2026 04 PM PDT           13.10           2036         +              Normal
  06/16/2026 05 PM PDT           13.10           2036         0              Normal
  06/16/2026 06 PM PDT           13.09           2027         -              Normal
  06/16/2026 07 PM PDT           13.09           2027         0              Normal
  06/16/2026 08 PM PDT           13.07           2008         -              Normal
  06/16/2026 09 PM PDT           13.06           1998         -              Normal
  06/16/2026 10 PM PDT           13.06           1998         0              Normal
  06/16/2026 11 PM PDT           13.05           1989         -              Normal
  06/17/2026 12 AM PDT           13.04           1979         -              Normal
  06/17/2026 01 AM PDT           13.03           1970         -              Normal
  06/17/2026 02 AM PDT           13.03           1970         0              Normal
  06/17/2026 03 AM PDT           13.02           1961         -              Normal
  06/17/2026 04 AM PDT           13.01           1951         -              Normal
  06/17/2026 05 AM PDT           13.00           1942         -              Normal
  06/17/2026 06 AM PDT           12.99           1933         -              Normal
  06/17/2026 07 AM PDT           12.98           1923         -              Normal
  06/17/2026 08 AM PDT           12.97           1914         -              Normal
  06/17/2026 09 AM PDT           12.97           1914         0              Normal
  06/17/2026 10 AM PDT           12.96           1905         -              Normal
  06/17/2026 11 AM PDT           12.96           1905         0              Normal
  06/17/2026 12 PM PDT           12.95           1895         -              Normal
  06/17/2026 01 PM PDT           12.95           1895         0              Normal
  06/17/2026 02 PM PDT           12.95           1895         0              Normal
  06/17/2026 03 PM PDT           12.95           1895         0              Normal
  06/17/2026 04 PM PDT           12.95           1895         0              Normal
  06/17/2026 05 PM PDT           12.95           1895         0              Normal
  06/17/2026 06 PM PDT           12.95           1895         0              Normal
  06/17/2026 07 PM PDT           12.95           1895         0              Normal
  06/17/2026 08 PM PDT           12.95           1895         0              Normal
  06/17/2026 09 PM PDT           12.95           1895         0              Normal
  06/17/2026 10 PM PDT           12.95           1895         0              Normal
  06/17/2026 11 PM PDT           12.95           1895         0              Normal
  06/18/2026 12 AM PDT           12.95           1895         0              Normal
  06/18/2026 01 AM PDT           12.94           1886         -              Normal
  06/18/2026 02 AM PDT           12.94           1886         0              Normal
  06/18/2026 03 AM PDT           12.94           1886         0              Normal
  06/18/2026 04 AM PDT           12.94           1886         0              Normal
  06/18/2026 05 AM PDT           12.94           1886         0              Normal
  06/18/2026 06 AM PDT           12.94           1886         0              Normal
  06/18/2026 07 AM PDT           12.94           1886         0              Normal
  06/18/2026 08 AM PDT           12.94           1886         0              Normal
  06/18/2026 09 AM PDT           12.94           1886         0              Normal
  06/18/2026 10 AM PDT           12.94           1886         0              Normal
  06/18/2026 11 AM PDT           12.94           1886         0              Normal
  06/18/2026 12 PM PDT           12.94           1886         0              Normal
  06/18/2026 01 PM PDT           12.94           1886         0              Normal
  06/18/2026 02 PM PDT           12.94           1886         0              Normal
  06/18/2026 03 PM PDT           12.94           1886         0              Normal
  06/18/2026 04 PM PDT           12.94           1886         0              Normal
  06/18/2026 05 PM PDT           12.94           1886         0              Normal
  06/18/2026 06 PM PDT           12.94           1886         0              Normal
  06/18/2026 07 PM PDT           12.94           1886         0              Normal
  06/18/2026 08 PM PDT           12.94           1886         0              Normal
  06/18/2026 09 PM PDT           12.94           1886         0              Normal
  06/18/2026 10 PM PDT           12.94           1886         0              Normal
  06/18/2026 11 PM PDT           12.94           1886         0              Normal
  06/19/2026 12 AM PDT           12.94           1886         0              Normal
  06/19/2026 01 AM PDT           12.94           1886         0              Normal
  06/19/2026 02 AM PDT           12.94           1886         0              Normal
  06/19/2026 03 AM PDT           12.94           1886         0              Normal
  06/19/2026 04 AM PDT           12.94           1886         0              Normal
  06/19/2026 05 AM PDT           12.94           1886         0              Normal
  06/19/2026 06 AM PDT           12.94           1886         0              Normal
  06/19/2026 07 AM PDT           12.93           1877         -              Normal
  06/19/2026 08 AM PDT           12.93           1877         0              Normal
  06/19/2026 09 AM PDT           12.93           1877         0              Normal
  06/19/2026 10 AM PDT           12.93           1877         0              Normal
  06/19/2026 11 AM PDT           12.93           1877         0              Normal
  06/19/2026 12 PM PDT           12.93           1877         0              Normal
  06/19/2026 01 PM PDT           12.93           1877         0              Normal
  06/19/2026 02 PM PDT           12.93           1877         0              Normal
  06/19/2026 03 PM PDT           12.93           1877         0              Normal
  06/19/2026 04 PM PDT           12.93           1877         0              Normal
  06/19/2026 05 PM PDT           12.93           1877         0              Normal
  06/19/2026 06 PM PDT           12.93           1877         0              Normal
  06/19/2026 07 PM PDT           12.93           1877         0              Normal
  06/19/2026 08 PM PDT           12.93           1877         0              Normal
  06/19/2026 09 PM PDT           12.93           1877         0              Normal
  06/19/2026 10 PM PDT           12.93           1877         0              Normal
  06/19/2026 11 PM PDT           12.93           1877         0              Normal
  06/20/2026 12 AM PDT           12.93           1877         0              Normal
  06/20/2026 01 AM PDT           12.93           1877         0              Normal
  06/20/2026 02 AM PDT           12.93           1877         0              Normal
  06/20/2026 03 AM PDT           12.93           1877         0              Normal
  06/20/2026 04 AM PDT           12.93           1877         0              Normal
  06/20/2026 05 AM PDT           12.93           1877         0              Normal
  06/20/2026 06 AM PDT           12.93           1877         0              Normal
  06/20/2026 07 AM PDT           12.93           1877         0              Normal
  06/20/2026 08 AM PDT           12.93           1877         0              Normal
  06/20/2026 09 AM PDT           12.93           1877         0              Normal
  06/20/2026 10 AM PDT           12.93           1877         0              Normal
  06/20/2026 11 AM PDT           12.93           1877         0              Normal
  06/20/2026 12 PM PDT           12.93           1877         0              Normal
  06/20/2026 01 PM PDT           12.93           1877         0              Normal
  06/20/2026 02 PM PDT           12.93           1877         0              Normal
  06/20/2026 03 PM PDT           12.93           1877         0              Normal
  06/20/2026 04 PM PDT           12.93           1877         0              Normal
  06/20/2026 05 PM PDT           12.93           1877         0              Normal
  06/20/2026 06 PM PDT           12.93           1877         0              Normal
  06/20/2026 07 PM PDT           12.93           1877         0              Normal
  06/20/2026 08 PM PDT           12.93           1877         0              Normal
  06/20/2026 09 PM PDT           12.93           1877         0              Normal
  06/20/2026 10 PM PDT           12.93           1877         0              Normal
  06/20/2026 11 PM PDT           12.92           1868         -              Normal
  06/21/2026 12 AM PDT           12.92           1868         0              Normal
  06/21/2026 01 AM PDT           12.92           1868         0              Normal
  06/21/2026 02 AM PDT           12.92           1868         0              Normal
  06/21/2026 03 AM PDT           12.92           1868         0              Normal
  06/21/2026 04 AM PDT           12.92           1868         0              Normal
  06/21/2026 05 AM PDT           12.92           1868         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.