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: Nov 11 2026 at 7:31 AM PST Next Issuance: Nov 12 2026 at 9:00 AM PST 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) 11/11/2026 at 07:33 AM PST Date & Time of Maximum Observed: 11/11/2026 at 03:00 AM PST 11.23 Feet 34 cfs & Time of Maximum Forecast: 11/16/2026 at 04:00 AM PST 12.09 Feet 294 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 11.17 29 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.18 30 + Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.17 29 0 Not Applicable 11.18 30 + Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.18 30 + Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.18 30 + Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.18 30 + Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.18 30 + Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.18 30 + Not Applicable 11.19 31 + Not Applicable 11.19 31 0 Not Applicable 11.20 32 + Not Applicable 11.20 32 0 Not Applicable 11.20 32 0 Not Applicable 11.21 33 + Not Applicable 11.21 33 0 Not Applicable 11.21 33 0 Not Applicable 11.21 33 0 Not Applicable 11.21 33 0 Not Applicable 11.21 33 0 Not Applicable 11.21 33 0 Not Applicable 11.21 33 0 Not Applicable 11.22 33 + Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.21 33 - Not Applicable 11.22 33 + Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.22 33 0 Not Applicable 11.23 34 + Not Applicable 11.23 34 0 Not Applicable 11.22 33 - Not Applicable 11.22 33 0 Not Applicable 11.21 33 - Not Applicable 11.21 33 0 Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 11.21 33 Not Applicable 11.20 32 - Not Applicable 11.20 32 0 Not Applicable 11.19 31 - Not Applicable 11.19 31 0 Not Applicable 11.19 31 0 Not Applicable 11.18 30 - Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.18 30 0 Not Applicable 11.17 29 - Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.17 29 0 Not Applicable 11.16 28 - Not Applicable 11.16 28 0 Not Applicable 11.16 28 0 Not Applicable 11.16 28 0 Not Applicable 11.16 28 0 Not Applicable 11.16 28 0 Not Applicable 11.16 28 0 Not Applicable 11.15 28 - Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.15 28 0 Not Applicable 11.14 27 - Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.14 27 0 Not Applicable 11.15 28 + Not Applicable 11.15 28 0 Not Applicable 11.16 28 + Not Applicable 11.17 29 + Not Applicable 11.18 30 + Not Applicable 11.19 31 + Not Applicable 11.20 32 + Not Applicable 11.22 33 + Not Applicable 11.25 36 + Not Applicable 11.29 40 + Not Applicable 11.34 45 + Not Applicable 11.40 52 + Not Applicable 11.47 61 + Not Applicable 11.54 71 + Not Applicable 11.61 82 + Not Applicable 11.67 93 + Not Applicable 11.71 105 + Not Applicable 11.73 112 + Not Applicable 11.75 119 + Not Applicable 11.77 126 + Not Applicable 11.78 130 + Not Applicable 11.79 134 + Not Applicable 11.80 138 + Not Applicable 11.81 142 + Not Applicable 11.81 142 0 Not Applicable 11.83 150 + Not Applicable 11.84 155 + Not Applicable 11.85 159 + Not Applicable 11.86 164 + Not Applicable 11.87 168 + Not Applicable 11.88 173 + Not Applicable 11.88 173 0 Not Applicable 11.88 173 0 Not Applicable 11.88 173 0 Not Applicable 11.88 173 0 Not Applicable 11.88 173 0 Not Applicable 11.88 173 0 Not Applicable 11.87 168 - Not Applicable 11.86 164 - Not Applicable 11.85 159 - Not Applicable 11.83 150 - Not Applicable 11.82 146 - Not Applicable 11.81 142 - Not Applicable 11.79 134 - Not Applicable 11.78 130 - Not Applicable 11.77 126 - Not Applicable 11.75 119 - Not Applicable 11.74 115 - Not Applicable 11.72 108 - Not Applicable 11.71 105 - Not Applicable 11.70 102 - Not Applicable 11.70 102 0 Not Applicable 11.69 98 - Not Applicable 11.69 98 0 Not Applicable 11.70 102 + Not Applicable 11.71 105 + Not Applicable 11.73 112 + Not Applicable 11.76 122 + Not Applicable 11.80 138 + Not Applicable 11.84 155 + Not Applicable 11.88 173 + Not Applicable 11.92 193 + Not Applicable 11.96 214 + Not Applicable 12.00 237 + Not Applicable 12.03 255 + Not Applicable 12.06 274 + Not Applicable 12.09 294 + 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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