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">MAD RIVER - ARCATA (ARCC1)
Latitude: 40.91º N Longitude: 124.06º W Elevation: 13 Feet Forecast Type: Official Location
Location: Humboldt County in California Bulletin Group: North Coast River Group: North Coast
Issuance Time: Mar 18 2026 at 7:13 AM PDT Next Issuance: Mar 18 2026 at 3:00 PM PDT width="16%">
Action/Monitor: 15.0 Feet Minor Flood: 22.0 Feet Moderate Flood: 24.0 Feet Major Flood: 28.0 Feet

# Tabular Observed and Forecast Hydrograph Information 03/18/2026 at 07:13 AM PDT Date & Time of Maximum Observed: 03/13/2026 at 11:00 AM PDT 7.72 Feet 677 cfs & Time of Maximum Forecast: 03/18/2026 at 08:00 AM PDT 7.33 Feet 485 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 7.72 677 Normal 7.70 666 - Normal 7.71 672 + Normal 7.69 661 - Normal 7.72 677 + Normal 7.71 672 - Normal 7.71 672 0 Normal 7.70 666 - Normal 7.70 666 0 Normal 7.70 666 0 Normal 7.71 672 + Normal 7.69 661 - Normal 7.70 666 + Normal 7.69 661 - Normal 7.69 661 0 Normal 7.68 656 - Normal 7.67 650 - Normal 7.66 645 - Normal 7.64 635 - Normal 7.66 645 + Normal 7.64 635 - Normal 7.64 635 0 Normal 7.64 635 0 Normal 7.64 635 0 Normal 7.64 635 0 Normal 7.64 635 0 Normal 7.64 635 0 Normal 7.63 630 - Normal 7.63 630 0 Normal 7.64 635 + Normal 7.63 630 - Normal 7.63 630 0 Normal 7.62 624 - Normal 7.62 624 0 Normal 7.63 630 + Normal 7.62 624 - Normal 7.62 624 0 Normal 7.62 624 0 Normal 7.62 624 0 Normal 7.60 614 - Normal 7.60 614 0 Normal 7.58 604 - Normal 7.58 604 0 Normal 7.58 604 0 Normal 7.58 604 0 Normal 7.56 594 - Normal 7.56 594 0 Normal 7.56 594 0 Normal 7.56 594 0 Normal 7.56 594 0 Normal 7.55 589 - Normal 7.55 589 0 Normal 7.56 594 + Normal 7.56 594 0 Normal 7.55 589 - Normal 7.55 589 0 Normal 7.53 579 - Normal 7.54 584 + Normal 7.55 589 + Normal 7.54 584 - Normal 7.54 584 0 Normal 7.53 579 - Normal 7.53 579 0 Normal 7.52 574 - Normal 7.51 569 - Normal 7.50 565 - Normal 7.49 560 - Normal 7.48 555 - Normal 7.48 555 0 Normal 7.48 555 0 Normal 7.48 555 0 Normal 7.49 560 + Normal 7.47 550 - Normal 7.47 550 0 Normal 7.46 545 - Normal 7.48 555 + Normal 7.47 550 - Normal 7.47 550 0 Normal 7.47 550 0 Normal 7.47 550 0 Normal 7.45 541 - Normal 7.45 541 0 Normal 7.46 545 + Normal 7.45 541 - Normal 7.46 545 + Normal 7.45 541 - Normal 7.46 545 + Normal 7.44 536 - Normal 7.44 536 0 Normal 7.43 531 - Normal 7.41 522 - Normal 7.41 522 0 Normal 7.41 522 0 Normal 7.40 517 - Normal 7.41 522 + Normal 7.41 522 0 Normal 7.39 512 - Normal 7.39 512 0 Normal 7.39 512 0 Normal 7.39 512 0 Normal 7.39 512 0 Normal 7.39 512 0 Normal 7.40 517 + Normal 7.40 517 0 Normal 7.39 512 - Normal 7.39 512 0 Normal 7.40 517 + Normal 7.39 512 - Normal 7.38 508 - Normal 7.38 508 0 Normal 7.38 508 0 Normal 7.37 503 - Normal 7.36 499 - Normal 7.35 494 - Normal 7.35 494 0 Normal 7.34 490 - Normal 7.35 494 + Normal 7.33 485 - Normal 7.34 490 + Normal 7.34 490 0 Normal 7.34 490 0 Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 7.33 485 Normal 7.33 485 0 Normal 7.33 485 0 Normal 7.33 485 0 Normal 7.33 485 0 Normal 7.33 485 0 Normal 7.33 485 0 Normal 7.32 481 - Normal 7.32 481 0 Normal 7.32 481 0 Normal 7.32 481 0 Normal 7.32 481 0 Normal 7.31 476 - Normal 7.31 476 0 Normal 7.31 476 0 Normal 7.31 476 0 Normal 7.31 476 0 Normal 7.30 472 - Normal 7.30 472 0 Normal 7.30 472 0 Normal 7.30 472 0 Normal 7.30 472 0 Normal 7.30 472 0 Normal 7.30 472 0 Normal 7.29 467 - Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.29 467 0 Normal 7.28 463 - Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.28 463 0 Normal 7.27 459 - Normal 7.27 459 0 Normal 7.27 459 0 Normal 7.27 459 0 Normal 7.27 459 0 Normal 7.26 454 - Normal 7.26 454 0 Normal 7.26 454 0 Normal 7.26 454 0 Normal 7.25 450 - Normal 7.25 450 0 Normal 7.25 450 0 Normal 7.25 450 0 Normal 7.24 446 - Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.24 446 0 Normal 7.23 441 - Normal 7.23 441 0 Normal 7.23 441 0 Normal 7.23 441 0 Normal 7.23 441 0 Normal 7.22 437 - Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.22 437 0 Normal 7.21 433 - Normal 7.21 433 0 Normal 7.21 433 0 Normal 7.21 433 0 Normal 7.21 433 0 Normal 7.21 433 0 Normal 7.20 429 - Normal 7.20 429 0 Normal 7.20 429 0 Normal 7.20 429 0 Normal 7.20 429 0 Normal 7.20 429 0 Normal 7.19 425 - Normal 7.19 425 0 Normal 7.19 425 0 Normal 7.19 425 0 Normal 7.19 425 0 Normal 7.19 425 0 Normal 7.18 420 - Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 7.18 420 0 Normal 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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