CNRFC - Hydrology - River Guidance - Tabular Data

Location:

# NOTE 1: # NOTE 2: # NOTE 3: # NOTE 4:

KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">MATTOLE RIVER - PETROLIA (MTOC1)
Latitude: 40.31º N Longitude: 124.28º W Elevation: 40 Feet Forecast Type: Unofficial Location
Location: Humboldt County in California Bulletin Group: North Coast River Group: North Coast
Issuance Time: Sep 02 2026 at 7:21 AM PDT Next Issuance: Sep 03 2026 at 9:00 AM PDT width="16%">
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information River - Petrolia (MTOC1) 09/02/2026 at 07:23 AM PDT Date & Time of Maximum Observed: 09/02/2026 at 04:00 AM PDT 11.06 Feet 18 cfs & Time of Maximum Forecast: 09/03/2026 at 05:00 PM PDT 11.74 Feet 115 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 11.03 15 Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.03 15 - Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.03 15 - Not Applicable 11.01 13 - Not Applicable 11.02 14 + Not Applicable 11.03 15 + Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.03 15 - Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.04 16 + Not Applicable 11.03 15 - Not Applicable 11.02 14 - Not Applicable 11.03 15 + Not Applicable 11.03 15 0 Not Applicable 11.02 14 - Not Applicable 11.03 15 + Not Applicable 11.04 16 + Not Applicable 11.03 15 - Not Applicable 11.03 15 0 Not Applicable 11.02 14 - Not Applicable 11.02 14 0 Not Applicable 11.02 14 0 Not Applicable 11.01 13 - Not Applicable 11.02 14 + Not Applicable 11.03 15 + Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.03 15 - Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.03 15 - Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.04 16 + Not Applicable 11.03 15 - Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.03 15 - Not Applicable 11.03 15 0 Not Applicable 11.03 15 0 Not Applicable 11.04 16 + Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.05 17 + Not Applicable 11.06 18 + Not Applicable 11.05 17 - Not Applicable 11.04 16 - Not Applicable 11.04 16 0 Not Applicable 11.04 16 0 Not Applicable 11.05 17 + Not Applicable 11.04 16 - Not Applicable 11.05 17 + Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.06 18 + Not Applicable 11.05 17 - Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 11.05 17 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.05 17 0 Not Applicable 11.06 18 + Not Applicable 11.06 18 0 Not Applicable 11.06 18 0 Not Applicable 11.06 18 0 Not Applicable 11.07 19 + Not Applicable 11.07 19 0 Not Applicable 11.08 20 + Not Applicable 11.09 21 + Not Applicable 11.10 23 + Not Applicable 11.12 25 + Not Applicable 11.16 28 + Not Applicable 11.21 33 + Not Applicable 11.27 38 + Not Applicable 11.33 44 + Not Applicable 11.39 51 + Not Applicable 11.46 60 + Not Applicable 11.52 68 + Not Applicable 11.57 76 + Not Applicable 11.63 86 + Not Applicable 11.67 93 + Not Applicable 11.70 102 + Not Applicable 11.72 108 + Not Applicable 11.73 112 + Not Applicable 11.74 115 + Not Applicable 11.74 115 0 Not Applicable 11.74 115 0 Not Applicable 11.73 112 - Not Applicable 11.72 108 - Not Applicable 11.72 108 0 Not Applicable 11.70 102 - Not Applicable 11.69 98 - Not Applicable 11.67 93 - Not Applicable 11.65 89 - Not Applicable 11.62 84 - Not Applicable 11.59 79 - Not Applicable 11.57 76 - Not Applicable 11.54 71 - Not Applicable 11.51 67 - Not Applicable 11.49 64 - Not Applicable 11.46 60 - Not Applicable 11.44 57 - Not Applicable 11.42 55 - Not Applicable 11.39 51 - Not Applicable 11.37 49 - Not Applicable 11.35 46 - Not Applicable 11.33 44 - Not Applicable 11.32 43 - Not Applicable 11.30 41 - Not Applicable 11.28 39 - Not Applicable 11.27 38 - Not Applicable 11.25 36 - Not Applicable 11.24 35 - Not Applicable 11.23 34 - Not Applicable 11.22 33 - Not Applicable 11.21 33 - Not Applicable 11.20 32 - Not Applicable 11.19 31 - Not Applicable 11.18 30 - Not Applicable 11.17 29 - Not Applicable 11.16 28 - Not Applicable 11.15 28 - Not Applicable 11.15 28 0 Not Applicable 11.14 27 - Not Applicable 11.14 27 0 Not Applicable 11.13 26 - Not Applicable 11.13 26 0 Not Applicable 11.12 25 - Not Applicable 11.12 25 0 Not Applicable 11.12 25 0 Not Applicable 11.12 25 0 Not Applicable 11.11 24 - Not Applicable 11.11 24 0 Not Applicable 11.11 24 0 Not Applicable 11.11 24 0 Not Applicable 11.11 24 0 Not Applicable 11.11 24 0 Not Applicable 11.10 23 - Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.10 23 0 Not Applicable 11.09 21 - Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable 11.09 21 0 Not Applicable Stages are rounded to the nearest hundredth (.01) of a foot. Flows are rounded to the nearest (1) cfs. Trends are determined using hourly change in unrounded stage and flow. Maximum Values are determined using unrounded stage and flow. End Web Content -->
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