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SOUTH FORK GUALALA RIVER - SEA RANCH (GSRC1)
| Latitude: 38.71º N | Longitude: 123.43º W | Elevation: 40 Feet | | | |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Feb 06 2026 at 12:54 PM PST | Next Issuance: | Feb 07 2026 at 9:00 AM PST
| |
| Action/Monitor: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: South Fork Gualala River - Sea Ranch (GSRC1)
#
# File Generation Time: 02/06/2026 at 12:56 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/01/2026 at 04:00 PM PST
# Maximum Observed Stage: 5.90 Feet
# Maximum Observed Flow: 93 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/06/2026 at 01:00 PM PST
# Maximum Forecast Stage: 5.73 Feet
# Maximum Forecast Flow: 73 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/01/2026 12 PM PST 5.90 93 Not Applicable
02/01/2026 01 PM PST 5.90 93 0 Not Applicable
02/01/2026 02 PM PST 5.90 93 0 Not Applicable
02/01/2026 03 PM PST 5.90 93 0 Not Applicable
02/01/2026 04 PM PST 5.90 93 0 Not Applicable
02/01/2026 05 PM PST 5.89 92 - Not Applicable
02/01/2026 06 PM PST 5.89 92 0 Not Applicable
02/01/2026 07 PM PST 5.89 92 0 Not Applicable
02/01/2026 08 PM PST 5.89 92 0 Not Applicable
02/01/2026 09 PM PST 5.89 92 0 Not Applicable
02/01/2026 10 PM PST 5.89 92 0 Not Applicable
02/01/2026 11 PM PST 5.88 90 - Not Applicable
02/02/2026 12 AM PST 5.88 90 0 Not Applicable
02/02/2026 01 AM PST 5.88 90 0 Not Applicable
02/02/2026 02 AM PST 5.88 90 0 Not Applicable
02/02/2026 03 AM PST 5.88 90 0 Not Applicable
02/02/2026 04 AM PST 5.88 90 0 Not Applicable
02/02/2026 05 AM PST 5.87 89 - Not Applicable
02/02/2026 06 AM PST 5.87 89 0 Not Applicable
02/02/2026 07 AM PST 5.87 89 0 Not Applicable
02/02/2026 08 AM PST 5.86 88 - Not Applicable
02/02/2026 09 AM PST 5.86 88 0 Not Applicable
02/02/2026 10 AM PST 5.86 88 0 Not Applicable
02/02/2026 11 AM PST 5.85 87 - Not Applicable
02/02/2026 12 PM PST 5.85 87 0 Not Applicable
02/02/2026 01 PM PST 5.86 88 + Not Applicable
02/02/2026 02 PM PST 5.86 88 0 Not Applicable
02/02/2026 03 PM PST 5.85 87 - Not Applicable
02/02/2026 04 PM PST 5.85 87 0 Not Applicable
02/02/2026 05 PM PST 5.85 87 0 Not Applicable
02/02/2026 06 PM PST 5.85 87 0 Not Applicable
02/02/2026 07 PM PST 5.85 87 0 Not Applicable
02/02/2026 08 PM PST 5.84 86 - Not Applicable
02/02/2026 09 PM PST 5.84 86 0 Not Applicable
02/02/2026 10 PM PST 5.84 86 0 Not Applicable
02/02/2026 11 PM PST 5.84 86 0 Not Applicable
02/03/2026 12 AM PST 5.84 86 0 Not Applicable
02/03/2026 01 AM PST 5.84 86 0 Not Applicable
02/03/2026 02 AM PST 5.84 86 0 Not Applicable
02/03/2026 03 AM PST 5.84 86 0 Not Applicable
02/03/2026 04 AM PST 5.84 86 0 Not Applicable
02/03/2026 05 AM PST 5.83 84 - Not Applicable
02/03/2026 06 AM PST 5.84 86 + Not Applicable
02/03/2026 07 AM PST 5.83 84 - Not Applicable
02/03/2026 08 AM PST 5.83 84 0 Not Applicable
02/03/2026 09 AM PST 5.82 83 - Not Applicable
02/03/2026 10 AM PST 5.82 83 0 Not Applicable
02/03/2026 11 AM PST 5.82 83 0 Not Applicable
02/03/2026 12 PM PST 5.82 83 0 Not Applicable
02/03/2026 01 PM PST 5.82 83 0 Not Applicable
02/03/2026 02 PM PST 5.82 83 0 Not Applicable
02/03/2026 03 PM PST 5.81 82 - Not Applicable
02/03/2026 04 PM PST 5.81 82 0 Not Applicable
02/03/2026 05 PM PST 5.81 82 0 Not Applicable
02/03/2026 06 PM PST 5.80 81 - Not Applicable
02/03/2026 07 PM PST 5.81 82 + Not Applicable
02/03/2026 08 PM PST 5.81 82 0 Not Applicable
02/03/2026 09 PM PST 5.81 82 0 Not Applicable
02/03/2026 10 PM PST 5.80 81 - Not Applicable
02/03/2026 11 PM PST 5.80 81 0 Not Applicable
02/04/2026 12 AM PST 5.80 81 0 Not Applicable
02/04/2026 01 AM PST 5.80 81 0 Not Applicable
02/04/2026 02 AM PST 5.80 81 0 Not Applicable
02/04/2026 03 AM PST 5.80 81 0 Not Applicable
02/04/2026 04 AM PST 5.80 81 0 Not Applicable
02/04/2026 05 AM PST 5.79 80 - Not Applicable
02/04/2026 06 AM PST 5.79 80 0 Not Applicable
02/04/2026 07 AM PST 5.79 80 0 Not Applicable
02/04/2026 08 AM PST 5.79 80 0 Not Applicable
02/04/2026 09 AM PST 5.79 80 0 Not Applicable
02/04/2026 10 AM PST 5.79 80 0 Not Applicable
02/04/2026 11 AM PST 5.79 80 0 Not Applicable
02/04/2026 12 PM PST 5.78 78 - Not Applicable
02/04/2026 01 PM PST 5.78 78 0 Not Applicable
02/04/2026 02 PM PST 5.78 78 0 Not Applicable
02/04/2026 03 PM PST 5.77 77 - Not Applicable
02/04/2026 04 PM PST 5.77 77 0 Not Applicable
02/04/2026 05 PM PST 5.78 78 + Not Applicable
02/04/2026 06 PM PST 5.78 78 0 Not Applicable
02/04/2026 07 PM PST 5.78 78 0 Not Applicable
02/04/2026 08 PM PST 5.77 77 - Not Applicable
02/04/2026 09 PM PST 5.78 78 + Not Applicable
02/04/2026 10 PM PST 5.77 77 - Not Applicable
02/04/2026 11 PM PST 5.78 78 + Not Applicable
02/05/2026 12 AM PST 5.77 77 - Not Applicable
02/05/2026 01 AM PST 5.77 77 0 Not Applicable
02/05/2026 02 AM PST 5.77 77 0 Not Applicable
02/05/2026 03 AM PST 5.77 77 0 Not Applicable
02/05/2026 04 AM PST 5.77 77 0 Not Applicable
02/05/2026 05 AM PST 5.77 77 0 Not Applicable
02/05/2026 06 AM PST 5.77 77 0 Not Applicable
02/05/2026 07 AM PST 5.76 76 - Not Applicable
02/05/2026 08 AM PST 5.77 77 + Not Applicable
02/05/2026 09 AM PST 5.76 76 - Not Applicable
02/05/2026 10 AM PST 5.76 76 0 Not Applicable
02/05/2026 11 AM PST 5.76 76 0 Not Applicable
02/05/2026 12 PM PST 5.76 76 0 Not Applicable
02/05/2026 01 PM PST 5.75 75 - Not Applicable
02/05/2026 02 PM PST 5.75 75 0 Not Applicable
02/05/2026 03 PM PST 5.75 75 0 Not Applicable
02/05/2026 04 PM PST 5.76 76 + Not Applicable
02/05/2026 05 PM PST 5.75 75 - Not Applicable
02/05/2026 06 PM PST 5.75 75 0 Not Applicable
02/05/2026 07 PM PST 5.75 75 0 Not Applicable
02/05/2026 08 PM PST 5.75 75 0 Not Applicable
02/05/2026 09 PM PST 5.75 75 0 Not Applicable
02/05/2026 10 PM PST 5.75 75 0 Not Applicable
02/05/2026 11 PM PST 5.75 75 0 Not Applicable
02/06/2026 12 AM PST 5.75 75 0 Not Applicable
02/06/2026 01 AM PST 5.75 75 0 Not Applicable
02/06/2026 02 AM PST 5.75 75 0 Not Applicable
02/06/2026 03 AM PST 5.74 74 - Not Applicable
02/06/2026 04 AM PST 5.74 74 0 Not Applicable
02/06/2026 05 AM PST 5.74 74 0 Not Applicable
02/06/2026 06 AM PST 5.74 74 0 Not Applicable
02/06/2026 07 AM PST 5.74 74 0 Not Applicable
02/06/2026 08 AM PST 5.74 74 0 Not Applicable
02/06/2026 09 AM PST 5.74 74 0 Not Applicable
02/06/2026 10 AM PST 5.73 73 - Not Applicable
02/06/2026 11 AM PST 5.73 73 0 Not Applicable
02/06/2026 12 PM PST 5.73 73 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/06/2026 01 PM PST 5.73 73 Not Applicable
02/06/2026 02 PM PST 5.73 73 0 Not Applicable
02/06/2026 03 PM PST 5.73 73 0 Not Applicable
02/06/2026 04 PM PST 5.72 72 - Not Applicable
02/06/2026 05 PM PST 5.72 72 0 Not Applicable
02/06/2026 06 PM PST 5.72 72 0 Not Applicable
02/06/2026 07 PM PST 5.72 72 0 Not Applicable
02/06/2026 08 PM PST 5.72 72 0 Not Applicable
02/06/2026 09 PM PST 5.72 72 0 Not Applicable
02/06/2026 10 PM PST 5.72 72 0 Not Applicable
02/06/2026 11 PM PST 5.72 72 0 Not Applicable
02/07/2026 12 AM PST 5.72 72 0 Not Applicable
02/07/2026 01 AM PST 5.72 72 0 Not Applicable
02/07/2026 02 AM PST 5.72 72 0 Not Applicable
02/07/2026 03 AM PST 5.72 72 0 Not Applicable
02/07/2026 04 AM PST 5.72 72 0 Not Applicable
02/07/2026 05 AM PST 5.71 71 - Not Applicable
02/07/2026 06 AM PST 5.71 71 0 Not Applicable
02/07/2026 07 AM PST 5.71 71 0 Not Applicable
02/07/2026 08 AM PST 5.71 71 0 Not Applicable
02/07/2026 09 AM PST 5.71 71 0 Not Applicable
02/07/2026 10 AM PST 5.71 71 0 Not Applicable
02/07/2026 11 AM PST 5.71 71 0 Not Applicable
02/07/2026 12 PM PST 5.71 71 0 Not Applicable
02/07/2026 01 PM PST 5.71 71 0 Not Applicable
02/07/2026 02 PM PST 5.71 71 0 Not Applicable
02/07/2026 03 PM PST 5.71 71 0 Not Applicable
02/07/2026 04 PM PST 5.71 71 0 Not Applicable
02/07/2026 05 PM PST 5.71 71 0 Not Applicable
02/07/2026 06 PM PST 5.71 71 0 Not Applicable
02/07/2026 07 PM PST 5.71 71 0 Not Applicable
02/07/2026 08 PM PST 5.70 70 - Not Applicable
02/07/2026 09 PM PST 5.70 70 0 Not Applicable
02/07/2026 10 PM PST 5.70 70 0 Not Applicable
02/07/2026 11 PM PST 5.70 70 0 Not Applicable
02/08/2026 12 AM PST 5.70 70 0 Not Applicable
02/08/2026 01 AM PST 5.70 70 0 Not Applicable
02/08/2026 02 AM PST 5.70 70 0 Not Applicable
02/08/2026 03 AM PST 5.70 70 0 Not Applicable
02/08/2026 04 AM PST 5.70 70 0 Not Applicable
02/08/2026 05 AM PST 5.70 70 0 Not Applicable
02/08/2026 06 AM PST 5.70 70 0 Not Applicable
02/08/2026 07 AM PST 5.70 70 0 Not Applicable
02/08/2026 08 AM PST 5.70 70 0 Not Applicable
02/08/2026 09 AM PST 5.69 69 - Not Applicable
02/08/2026 10 AM PST 5.69 69 0 Not Applicable
02/08/2026 11 AM PST 5.69 69 0 Not Applicable
02/08/2026 12 PM PST 5.69 69 0 Not Applicable
02/08/2026 01 PM PST 5.69 69 0 Not Applicable
02/08/2026 02 PM PST 5.69 69 0 Not Applicable
02/08/2026 03 PM PST 5.69 69 0 Not Applicable
02/08/2026 04 PM PST 5.69 69 0 Not Applicable
02/08/2026 05 PM PST 5.69 69 0 Not Applicable
02/08/2026 06 PM PST 5.69 69 0 Not Applicable
02/08/2026 07 PM PST 5.69 69 0 Not Applicable
02/08/2026 08 PM PST 5.69 69 0 Not Applicable
02/08/2026 09 PM PST 5.69 69 0 Not Applicable
02/08/2026 10 PM PST 5.69 69 0 Not Applicable
02/08/2026 11 PM PST 5.69 69 0 Not Applicable
02/09/2026 12 AM PST 5.70 70 + Not Applicable
02/09/2026 01 AM PST 5.70 70 0 Not Applicable
02/09/2026 02 AM PST 5.70 70 0 Not Applicable
02/09/2026 03 AM PST 5.70 70 0 Not Applicable
02/09/2026 04 AM PST 5.70 70 0 Not Applicable
02/09/2026 05 AM PST 5.70 70 0 Not Applicable
02/09/2026 06 AM PST 5.70 70 0 Not Applicable
02/09/2026 07 AM PST 5.70 70 0 Not Applicable
02/09/2026 08 AM PST 5.69 69 - Not Applicable
02/09/2026 09 AM PST 5.69 69 0 Not Applicable
02/09/2026 10 AM PST 5.69 69 0 Not Applicable
02/09/2026 11 AM PST 5.69 69 0 Not Applicable
02/09/2026 12 PM PST 5.68 68 - Not Applicable
02/09/2026 01 PM PST 5.68 68 0 Not Applicable
02/09/2026 02 PM PST 5.68 68 0 Not Applicable
02/09/2026 03 PM PST 5.68 68 0 Not Applicable
02/09/2026 04 PM PST 5.68 68 0 Not Applicable
02/09/2026 05 PM PST 5.68 68 0 Not Applicable
02/09/2026 06 PM PST 5.67 67 - Not Applicable
02/09/2026 07 PM PST 5.67 67 0 Not Applicable
02/09/2026 08 PM PST 5.67 67 0 Not Applicable
02/09/2026 09 PM PST 5.67 67 0 Not Applicable
02/09/2026 10 PM PST 5.67 67 0 Not Applicable
02/09/2026 11 PM PST 5.67 67 0 Not Applicable
02/10/2026 12 AM PST 5.67 67 0 Not Applicable
02/10/2026 01 AM PST 5.67 67 0 Not Applicable
02/10/2026 02 AM PST 5.67 67 0 Not Applicable
02/10/2026 03 AM PST 5.66 66 - Not Applicable
02/10/2026 04 AM PST 5.66 66 0 Not Applicable
02/10/2026 05 AM PST 5.66 66 0 Not Applicable
02/10/2026 06 AM PST 5.66 66 0 Not Applicable
02/10/2026 07 AM PST 5.66 66 0 Not Applicable
02/10/2026 08 AM PST 5.66 66 0 Not Applicable
02/10/2026 09 AM PST 5.66 66 0 Not Applicable
02/10/2026 10 AM PST 5.66 66 0 Not Applicable
02/10/2026 11 AM PST 5.66 66 0 Not Applicable
02/10/2026 12 PM PST 5.66 66 0 Not Applicable
02/10/2026 01 PM PST 5.66 66 0 Not Applicable
02/10/2026 02 PM PST 5.66 66 0 Not Applicable
02/10/2026 03 PM PST 5.66 66 0 Not Applicable
02/10/2026 04 PM PST 5.66 66 0 Not Applicable
02/10/2026 05 PM PST 5.66 66 0 Not Applicable
02/10/2026 06 PM PST 5.66 66 0 Not Applicable
02/10/2026 07 PM PST 5.66 66 0 Not Applicable
02/10/2026 08 PM PST 5.66 66 0 Not Applicable
02/10/2026 09 PM PST 5.66 66 0 Not Applicable
02/10/2026 10 PM PST 5.67 67 + Not Applicable
02/10/2026 11 PM PST 5.67 67 0 Not Applicable
02/11/2026 12 AM PST 5.67 67 0 Not Applicable
02/11/2026 01 AM PST 5.67 67 0 Not Applicable
02/11/2026 02 AM PST 5.67 67 0 Not Applicable
02/11/2026 03 AM PST 5.67 67 0 Not Applicable
02/11/2026 04 AM PST 5.67 67 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.
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