CNRFC - Hydrology - River Guidance - Tabular Data

Location:

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KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">MATTOLE RIVER - ETTERSBURG (ETTC1)
Latitude: 40.14º N Longitude: 123.99º W Elevation: 579 Feet
Location: Humboldt County in California Bulletin Group: North Coast River Group: North Coast
Issuance Time: Dec 26 2025 at 1:21 PM PST Next Issuance: Dec 27 2025 at 9:00 AM PST width="16%">
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information River - Ettersburg (ETTC1) 12/26/2025 at 01:23 PM PST Date & Time of Maximum Observed: 12/21/2025 at 01:00 PM PST 27.42 Feet 17814 cfs & Time of Maximum Forecast: 12/26/2025 at 03:00 PM PST 17.55 Feet 4667 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 27.42 17814 Not Applicable 26.76 16709 - Not Applicable 26.00 15476 - Not Applicable 25.21 14237 - Not Applicable 24.23 12764 - Not Applicable 23.42 11600 - Not Applicable 22.63 10511 - Not Applicable 21.97 9638 - Not Applicable 21.28 8761 - Not Applicable 20.68 8027 - Not Applicable 20.10 7345 - Not Applicable 19.62 6801 - Not Applicable 19.12 6254 - Not Applicable 18.71 5820 - Not Applicable 18.25 5349 - Not Applicable 17.87 4974 - Not Applicable 17.56 4676 - Not Applicable 17.25 4387 - Not Applicable 17.03 4186 - Not Applicable 16.77 3954 - Not Applicable 16.58 3789 - Not Applicable 16.38 3618 - Not Applicable 16.19 3458 - Not Applicable 15.99 3294 - Not Applicable 15.80 3141 - Not Applicable 15.69 3054 - Not Applicable 15.50 2906 - Not Applicable 15.40 2830 - Not Applicable 15.28 2739 - Not Applicable 15.18 2665 - Not Applicable 15.06 2577 - Not Applicable 14.98 2518 - Not Applicable 14.85 2425 - Not Applicable 14.78 2376 - Not Applicable 14.73 2341 - Not Applicable 14.62 2264 - Not Applicable 14.56 2223 - Not Applicable 14.53 2202 - Not Applicable 14.44 2141 - Not Applicable 14.40 2114 - Not Applicable 14.34 2074 - Not Applicable 14.31 2055 - Not Applicable 14.28 2035 - Not Applicable 14.22 1995 - Not Applicable 14.31 2055 + Not Applicable 14.45 2148 + Not Applicable 14.62 2264 + Not Applicable 14.70 2320 + Not Applicable 14.78 2376 + Not Applicable 14.92 2475 + Not Applicable 14.88 2447 - Not Applicable 14.87 2439 - Not Applicable 14.82 2404 - Not Applicable 14.77 2369 - Not Applicable 14.69 2313 - Not Applicable 14.69 2313 0 Not Applicable 14.67 2299 - Not Applicable 14.71 2327 + Not Applicable 14.87 2439 + Not Applicable 15.02 2547 + Not Applicable 15.18 2665 + Not Applicable 15.30 2754 + Not Applicable 16.09 3376 + Not Applicable 17.18 4322 + Not Applicable 17.68 4790 + Not Applicable 17.76 4867 + Not Applicable 17.70 4809 - Not Applicable 17.65 4762 - Not Applicable 17.55 4667 - Not Applicable 17.32 4451 - Not Applicable 17.23 4368 - Not Applicable 16.99 4150 - Not Applicable 16.75 3937 - Not Applicable 16.65 3849 - Not Applicable 16.41 3643 - Not Applicable 16.26 3517 - Not Applicable 16.10 3384 - Not Applicable 15.97 3278 - Not Applicable 15.85 3181 - Not Applicable 15.63 3007 - Not Applicable 15.50 2906 - Not Applicable 15.44 2860 - Not Applicable 15.33 2777 - Not Applicable 15.23 2702 - Not Applicable 15.15 2643 - Not Applicable 15.08 2591 - Not Applicable 15.07 2584 - Not Applicable 15.05 2569 - Not Applicable 15.06 2577 + Not Applicable 15.03 2555 - Not Applicable 14.92 2475 - Not Applicable 14.85 2425 - Not Applicable 14.84 2418 - Not Applicable 14.91 2468 + Not Applicable 14.70 2320 - Not Applicable 14.65 2285 - Not Applicable 14.71 2327 + Not Applicable 14.72 2334 + Not Applicable 14.70 2320 - Not Applicable 14.69 2313 - Not Applicable 14.71 2327 + Not Applicable 14.75 2355 + Not Applicable 14.90 2461 + Not Applicable 15.11 2613 + Not Applicable 15.26 2724 + Not Applicable 15.33 2777 + Not Applicable 15.33 2777 0 Not Applicable 15.34 2784 + Not Applicable 15.32 2769 - Not Applicable 15.27 2732 - Not Applicable 15.25 2717 - Not Applicable 15.25 2717 0 Not Applicable 15.28 2739 + Not Applicable 15.35 2792 + Not Applicable 15.77 3117 + Not Applicable 16.12 3400 + Not Applicable 16.32 3567 + Not Applicable 16.45 3677 + Not Applicable 16.72 3910 + Not Applicable 17.12 4268 + Not Applicable 17.38 4507 + Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 17.54 4657 Not Applicable 17.55 4667 + Not Applicable 17.54 4657 - Not Applicable 17.52 4638 - Not Applicable 17.48 4601 - Not Applicable 17.43 4554 - Not Applicable 17.32 4451 - Not Applicable 17.16 4304 - Not Applicable 16.99 4150 - Not Applicable 16.82 3998 - Not Applicable 16.65 3849 - Not Applicable 16.49 3711 - Not Applicable 16.33 3575 - Not Applicable 16.17 3442 - Not Applicable 16.03 3327 - Not Applicable 15.88 3205 - Not Applicable 15.75 3102 - Not Applicable 15.62 2999 - Not Applicable 15.50 2906 - Not Applicable 15.37 2807 - Not Applicable 15.25 2717 - Not Applicable 15.14 2635 - Not Applicable 15.03 2555 - Not Applicable 14.92 2475 - Not Applicable 14.82 2404 - Not Applicable 14.73 2341 - Not Applicable 14.63 2271 - Not Applicable 14.55 2216 - Not Applicable 14.46 2155 - Not Applicable 14.38 2101 - Not Applicable 14.31 2055 - Not Applicable 14.24 2009 - Not Applicable 14.17 1963 - Not Applicable 14.10 1918 - Not Applicable 14.04 1879 - Not Applicable 13.98 1841 - Not Applicable 13.92 1804 - Not Applicable 13.86 1766 - Not Applicable 13.81 1736 - Not Applicable 13.76 1705 - Not Applicable 13.71 1675 - Not Applicable 13.66 1644 - Not Applicable 13.61 1615 - Not Applicable 13.57 1591 - Not Applicable 13.53 1567 - Not Applicable 13.49 1544 - Not Applicable 13.45 1521 - Not Applicable 13.41 1497 - Not Applicable 13.38 1480 - Not Applicable 13.36 1469 - Not Applicable 13.34 1457 - Not Applicable 13.31 1440 - Not Applicable 13.28 1423 - Not Applicable 13.25 1406 - Not Applicable 13.22 1390 - Not Applicable 13.19 1373 - Not Applicable 13.16 1356 - Not Applicable 13.13 1340 - Not Applicable 13.11 1329 - Not Applicable 13.08 1313 - Not Applicable 13.05 1296 - Not Applicable 13.03 1286 - Not Applicable 13.00 1269 - Not Applicable 12.98 1259 - Not Applicable 12.96 1248 - Not Applicable 12.93 1232 - Not Applicable 12.91 1222 - Not Applicable 12.89 1211 - Not Applicable 12.87 1201 - Not Applicable 12.85 1190 - Not Applicable 12.82 1174 - Not Applicable 12.80 1164 - Not Applicable 12.78 1154 - Not Applicable 12.76 1144 - Not Applicable 12.74 1133 - Not Applicable 12.72 1123 - Not Applicable 12.71 1118 - Not Applicable 12.69 1108 - Not Applicable 12.67 1098 - Not Applicable 12.65 1088 - Not Applicable 12.63 1078 - Not Applicable 12.61 1068 - Not Applicable 12.59 1058 - Not Applicable 12.58 1053 - Not Applicable 12.56 1043 - Not Applicable 12.54 1033 - Not Applicable 12.52 1024 - Not Applicable 12.51 1019 - Not Applicable 12.49 1009 - Not Applicable 12.47 999 - Not Applicable 12.46 994 - Not Applicable 12.46 994 0 Not Applicable 12.44 985 - Not Applicable 12.43 980 - Not Applicable 12.42 975 - Not Applicable 12.40 966 - Not Applicable 12.39 961 - Not Applicable 12.37 951 - Not Applicable 12.36 947 - Not Applicable 12.34 937 - Not Applicable 12.32 928 - Not Applicable 12.31 923 - Not Applicable 12.29 914 - Not Applicable 12.28 909 - Not Applicable 12.26 900 - Not Applicable 12.25 895 - Not Applicable 12.23 886 - Not Applicable 12.22 882 - Not Applicable 12.20 873 - Not Applicable 12.19 868 - Not Applicable 12.17 859 - 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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