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

 | 

MATTOLE RIVER - ETTERSBURG (ETTC1)
Latitude: 40.14º NLongitude: 123.99º WElevation: 579 FeetForecast Type: Unofficial Location
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: Nov 03 2026 at 12:48 PM PSTNext Issuance: Nov 04 2026 at 9:00 AM PST
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time:  11/03/2026 at 12:50 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/03/2026 at 12:00 PM PST
# Maximum Observed Stage:                       8.44 Feet
# Maximum Observed Flow:                        10 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/03/2026 at 04:00 PM PST
# Maximum Forecast Stage:                       8.54 Feet
# Maximum Forecast Flow:                        15 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/29/2026 01 PM PDT            8.37              7                Not Applicable
  10/29/2026 02 PM PDT            8.37              7         0      Not Applicable
  10/29/2026 03 PM PDT            8.38              8         +      Not Applicable
  10/29/2026 04 PM PDT            8.38              8         0      Not Applicable
  10/29/2026 05 PM PDT            8.37              7         -      Not Applicable
  10/29/2026 06 PM PDT            8.37              7         0      Not Applicable
  10/29/2026 07 PM PDT            8.37              7         0      Not Applicable
  10/29/2026 08 PM PDT            8.37              7         0      Not Applicable
  10/29/2026 09 PM PDT            8.37              7         0      Not Applicable
  10/29/2026 10 PM PDT            8.37              7         0      Not Applicable
  10/29/2026 11 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 12 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 01 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 02 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 03 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 04 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 05 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 06 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 07 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 08 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 09 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 10 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 11 AM PDT            8.37              7         0      Not Applicable
  10/30/2026 12 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 01 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 02 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 03 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 04 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 05 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 06 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 07 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 08 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 09 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 10 PM PDT            8.37              7         0      Not Applicable
  10/30/2026 11 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 12 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 01 AM PDT            8.36              7         -      Not Applicable
  10/31/2026 02 AM PDT            8.37              7         +      Not Applicable
  10/31/2026 03 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 04 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 05 AM PDT            8.36              7         -      Not Applicable
  10/31/2026 06 AM PDT            8.37              7         +      Not Applicable
  10/31/2026 07 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 08 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 09 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 10 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 11 AM PDT            8.37              7         0      Not Applicable
  10/31/2026 12 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 01 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 02 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 03 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 04 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 05 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 06 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 07 PM PDT            8.37              7         0      Not Applicable
  10/31/2026 08 PM PDT            8.38              8         +      Not Applicable
  10/31/2026 09 PM PDT            8.38              8         0      Not Applicable
  10/31/2026 10 PM PDT            8.38              8         0      Not Applicable
  10/31/2026 11 PM PDT            8.38              8         0      Not Applicable
  11/01/2026 12 AM PDT            8.38              8         0      Not Applicable
  11/01/2026 01 AM PDT            8.39              8         +      Not Applicable
  11/01/2026 01 AM PST            8.39              8         0      Not Applicable
  11/01/2026 02 AM PST            8.39              8         0      Not Applicable
  11/01/2026 03 AM PST            8.39              8         0      Not Applicable
  11/01/2026 04 AM PST            8.39              8         0      Not Applicable
  11/01/2026 05 AM PST            8.39              8         0      Not Applicable
  11/01/2026 06 AM PST            8.39              8         0      Not Applicable
  11/01/2026 07 AM PST            8.39              8         0      Not Applicable
  11/01/2026 08 AM PST            8.39              8         0      Not Applicable
  11/01/2026 09 AM PST            8.39              8         0      Not Applicable
  11/01/2026 10 AM PST            8.39              8         0      Not Applicable
  11/01/2026 11 AM PST            8.39              8         0      Not Applicable
  11/01/2026 12 PM PST            8.40              9         +      Not Applicable
  11/01/2026 01 PM PST            8.40              9         0      Not Applicable
  11/01/2026 02 PM PST            8.40              9         0      Not Applicable
  11/01/2026 03 PM PST            8.40              9         0      Not Applicable
  11/01/2026 04 PM PST            8.40              9         0      Not Applicable
  11/01/2026 05 PM PST            8.40              9         0      Not Applicable
  11/01/2026 06 PM PST            8.40              9         0      Not Applicable
  11/01/2026 07 PM PST            8.40              9         0      Not Applicable
  11/01/2026 08 PM PST            8.40              9         0      Not Applicable
  11/01/2026 09 PM PST            8.40              9         0      Not Applicable
  11/01/2026 10 PM PST            8.40              9         0      Not Applicable
  11/01/2026 11 PM PST            8.40              9         0      Not Applicable
  11/02/2026 12 AM PST            8.40              9         0      Not Applicable
  11/02/2026 01 AM PST            8.40              9         0      Not Applicable
  11/02/2026 02 AM PST            8.40              9         0      Not Applicable
  11/02/2026 03 AM PST            8.40              9         0      Not Applicable
  11/02/2026 04 AM PST            8.40              9         0      Not Applicable
  11/02/2026 05 AM PST            8.40              9         0      Not Applicable
  11/02/2026 06 AM PST            8.40              9         0      Not Applicable
  11/02/2026 07 AM PST            8.39              8         -      Not Applicable
  11/02/2026 08 AM PST            8.40              9         +      Not Applicable
  11/02/2026 09 AM PST            8.39              8         -      Not Applicable
  11/02/2026 10 AM PST            8.39              8         0      Not Applicable
  11/02/2026 11 AM PST            8.39              8         0      Not Applicable
  11/02/2026 12 PM PST            8.39              8         0      Not Applicable
  11/02/2026 01 PM PST            8.40              9         +      Not Applicable
  11/02/2026 02 PM PST            8.40              9         0      Not Applicable
  11/02/2026 03 PM PST            8.40              9         0      Not Applicable
  11/02/2026 04 PM PST            8.40              9         0      Not Applicable
  11/02/2026 05 PM PST            8.40              9         0      Not Applicable
  11/02/2026 06 PM PST            8.40              9         0      Not Applicable
  11/02/2026 07 PM PST            8.40              9         0      Not Applicable
  11/02/2026 08 PM PST            8.40              9         0      Not Applicable
  11/02/2026 09 PM PST            8.40              9         0      Not Applicable
  11/02/2026 10 PM PST            8.40              9         0      Not Applicable
  11/02/2026 11 PM PST            8.40              9         0      Not Applicable
  11/03/2026 12 AM PST            8.40              9         0      Not Applicable
  11/03/2026 01 AM PST            8.40              9         0      Not Applicable
  11/03/2026 02 AM PST            8.39              8         -      Not Applicable
  11/03/2026 03 AM PST            8.39              8         0      Not Applicable
  11/03/2026 04 AM PST            8.39              8         0      Not Applicable
  11/03/2026 05 AM PST            8.39              8         0      Not Applicable
  11/03/2026 06 AM PST            8.40              9         +      Not Applicable
  11/03/2026 07 AM PST            8.40              9         0      Not Applicable
  11/03/2026 08 AM PST            8.40              9         0      Not Applicable
  11/03/2026 09 AM PST            8.41              9         +      Not Applicable
  11/03/2026 10 AM PST            8.41              9         0      Not Applicable
  11/03/2026 11 AM PST            8.41              9         0      Not Applicable
  11/03/2026 12 PM PST            8.44             10         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/03/2026 01 PM PST            8.47             12                Not Applicable
  11/03/2026 02 PM PST            8.50             13         +      Not Applicable
  11/03/2026 03 PM PST            8.52             14         +      Not Applicable
  11/03/2026 04 PM PST            8.54             15         +      Not Applicable
  11/03/2026 05 PM PST            8.54             15         0      Not Applicable
  11/03/2026 06 PM PST            8.54             15         0      Not Applicable
  11/03/2026 07 PM PST            8.53             15         -      Not Applicable
  11/03/2026 08 PM PST            8.52             14         -      Not Applicable
  11/03/2026 09 PM PST            8.51             14         -      Not Applicable
  11/03/2026 10 PM PST            8.50             13         -      Not Applicable
  11/03/2026 11 PM PST            8.48             12         -      Not Applicable
  11/04/2026 12 AM PST            8.47             12         -      Not Applicable
  11/04/2026 01 AM PST            8.45             11         -      Not Applicable
  11/04/2026 02 AM PST            8.44             10         -      Not Applicable
  11/04/2026 03 AM PST            8.43             10         -      Not Applicable
  11/04/2026 04 AM PST            8.42              9         -      Not Applicable
  11/04/2026 05 AM PST            8.41              9         -      Not Applicable
  11/04/2026 06 AM PST            8.40              9         -      Not Applicable
  11/04/2026 07 AM PST            8.39              8         -      Not Applicable
  11/04/2026 08 AM PST            8.39              8         0      Not Applicable
  11/04/2026 09 AM PST            8.38              8         -      Not Applicable
  11/04/2026 10 AM PST            8.38              8         0      Not Applicable
  11/04/2026 11 AM PST            8.37              7         -      Not Applicable
  11/04/2026 12 PM PST            8.37              7         0      Not Applicable
  11/04/2026 01 PM PST            8.37              7         0      Not Applicable
  11/04/2026 02 PM PST            8.37              7         0      Not Applicable
  11/04/2026 03 PM PST            8.37              7         0      Not Applicable
  11/04/2026 04 PM PST            8.36              7         -      Not Applicable
  11/04/2026 05 PM PST            8.36              7         0      Not Applicable
  11/04/2026 06 PM PST            8.36              7         0      Not Applicable
  11/04/2026 07 PM PST            8.36              7         0      Not Applicable
  11/04/2026 08 PM PST            8.36              7         0      Not Applicable
  11/04/2026 09 PM PST            8.36              7         0      Not Applicable
  11/04/2026 10 PM PST            8.36              7         0      Not Applicable
  11/04/2026 11 PM PST            8.36              7         0      Not Applicable
  11/05/2026 12 AM PST            8.36              7         0      Not Applicable
  11/05/2026 01 AM PST            8.36              7         0      Not Applicable
  11/05/2026 02 AM PST            8.36              7         0      Not Applicable
  11/05/2026 03 AM PST            8.36              7         0      Not Applicable
  11/05/2026 04 AM PST            8.36              7         0      Not Applicable
  11/05/2026 05 AM PST            8.36              7         0      Not Applicable
  11/05/2026 06 AM PST            8.35              7         -      Not Applicable
  11/05/2026 07 AM PST            8.35              7         0      Not Applicable
  11/05/2026 08 AM PST            8.35              7         0      Not Applicable
  11/05/2026 09 AM PST            8.35              7         0      Not Applicable
  11/05/2026 10 AM PST            8.35              7         0      Not Applicable
  11/05/2026 11 AM PST            8.35              7         0      Not Applicable
  11/05/2026 12 PM PST            8.35              7         0      Not Applicable
  11/05/2026 01 PM PST            8.35              7         0      Not Applicable
  11/05/2026 02 PM PST            8.35              7         0      Not Applicable
  11/05/2026 03 PM PST            8.35              7         0      Not Applicable
  11/05/2026 04 PM PST            8.35              7         0      Not Applicable
  11/05/2026 05 PM PST            8.35              7         0      Not Applicable
  11/05/2026 06 PM PST            8.35              7         0      Not Applicable
  11/05/2026 07 PM PST            8.35              7         0      Not Applicable
  11/05/2026 08 PM PST            8.35              7         0      Not Applicable
  11/05/2026 09 PM PST            8.35              7         0      Not Applicable
  11/05/2026 10 PM PST            8.35              7         0      Not Applicable
  11/05/2026 11 PM PST            8.35              7         0      Not Applicable
  11/06/2026 12 AM PST            8.35              7         0      Not Applicable
  11/06/2026 01 AM PST            8.35              7         0      Not Applicable
  11/06/2026 02 AM PST            8.35              7         0      Not Applicable
  11/06/2026 03 AM PST            8.35              7         0      Not Applicable
  11/06/2026 04 AM PST            8.35              7         0      Not Applicable
  11/06/2026 05 AM PST            8.35              7         0      Not Applicable
  11/06/2026 06 AM PST            8.35              7         0      Not Applicable
  11/06/2026 07 AM PST            8.35              7         0      Not Applicable
  11/06/2026 08 AM PST            8.35              7         0      Not Applicable
  11/06/2026 09 AM PST            8.35              7         0      Not Applicable
  11/06/2026 10 AM PST            8.35              7         0      Not Applicable
  11/06/2026 11 AM PST            8.35              7         0      Not Applicable
  11/06/2026 12 PM PST            8.35              7         0      Not Applicable
  11/06/2026 01 PM PST            8.35              7         0      Not Applicable
  11/06/2026 02 PM PST            8.35              7         0      Not Applicable
  11/06/2026 03 PM PST            8.35              7         0      Not Applicable
  11/06/2026 04 PM PST            8.35              7         0      Not Applicable
  11/06/2026 05 PM PST            8.35              7         0      Not Applicable
  11/06/2026 06 PM PST            8.35              7         0      Not Applicable
  11/06/2026 07 PM PST            8.35              7         0      Not Applicable
  11/06/2026 08 PM PST            8.35              7         0      Not Applicable
  11/06/2026 09 PM PST            8.35              7         0      Not Applicable
  11/06/2026 10 PM PST            8.35              7         0      Not Applicable
  11/06/2026 11 PM PST            8.35              7         0      Not Applicable
  11/07/2026 12 AM PST            8.35              7         0      Not Applicable
  11/07/2026 01 AM PST            8.35              7         0      Not Applicable
  11/07/2026 02 AM PST            8.35              7         0      Not Applicable
  11/07/2026 03 AM PST            8.35              7         0      Not Applicable
  11/07/2026 04 AM PST            8.34              6         -      Not Applicable
  11/07/2026 05 AM PST            8.34              6         0      Not Applicable
  11/07/2026 06 AM PST            8.34              6         0      Not Applicable
  11/07/2026 07 AM PST            8.34              6         0      Not Applicable
  11/07/2026 08 AM PST            8.34              6         0      Not Applicable
  11/07/2026 09 AM PST            8.34              6         0      Not Applicable
  11/07/2026 10 AM PST            8.34              6         0      Not Applicable
  11/07/2026 11 AM PST            8.34              6         0      Not Applicable
  11/07/2026 12 PM PST            8.34              6         0      Not Applicable
  11/07/2026 01 PM PST            8.34              6         0      Not Applicable
  11/07/2026 02 PM PST            8.34              6         0      Not Applicable
  11/07/2026 03 PM PST            8.34              6         0      Not Applicable
  11/07/2026 04 PM PST            8.34              6         0      Not Applicable
  11/07/2026 05 PM PST            8.34              6         0      Not Applicable
  11/07/2026 06 PM PST            8.34              6         0      Not Applicable
  11/07/2026 07 PM PST            8.34              6         0      Not Applicable
  11/07/2026 08 PM PST            8.34              6         0      Not Applicable
  11/07/2026 09 PM PST            8.34              6         0      Not Applicable
  11/07/2026 10 PM PST            8.34              6         0      Not Applicable
  11/07/2026 11 PM PST            8.34              6         0      Not Applicable
  11/08/2026 12 AM PST            8.34              6         0      Not Applicable
  11/08/2026 01 AM PST            8.34              6         0      Not Applicable
  11/08/2026 02 AM PST            8.34              6         0      Not Applicable
  11/08/2026 03 AM PST            8.34              6         0      Not Applicable
  11/08/2026 04 AM PST            8.34              6         0      Not Applicable
#
# 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.