National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 |  End of River Group

NEW RIVER - WESTMORLAND (ZNRC1)
Latitude: 33.10º NLongitude: 115.66º WElevation: -220 FeetForecast Type: Unofficial Location
Location: Imperial County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: May 12 2026 at 7:36 AM PDTNext Issuance: May 13 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: 10.0 FeetModerate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: New River - Westmorland (ZNRC1)
#
# File Generation Time:  05/12/2026 at 07:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/07/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       5.55 Feet
# Maximum Observed Flow:                        549 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/12/2026 at 04:00 PM PDT
# Maximum Forecast Stage:                       4.92 Feet
# Maximum Forecast Flow:                        421 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/07/2026 07 AM PDT            5.38            514                        Normal
  05/07/2026 08 AM PDT            5.42            522         +              Normal
  05/07/2026 09 AM PDT            5.45            528         +              Normal
  05/07/2026 10 AM PDT            5.47            532         +              Normal
  05/07/2026 11 AM PDT            5.49            537         +              Normal
  05/07/2026 12 PM PDT            5.52            543         +              Normal
  05/07/2026 01 PM PDT            5.55            549         +              Normal
  05/07/2026 02 PM PDT            5.55            549         0              Normal
  05/07/2026 03 PM PDT            5.54            547         -              Normal
  05/07/2026 04 PM PDT            5.50            539         -              Normal
  05/07/2026 05 PM PDT            5.46            530         -              Normal
  05/07/2026 06 PM PDT            5.40            518         -              Normal
  05/07/2026 07 PM PDT            5.35            507         -              Normal
  05/07/2026 08 PM PDT            5.29            495         -              Normal
  05/07/2026 09 PM PDT            5.23            483         -              Normal
  05/07/2026 10 PM PDT            5.19            475         -              Normal
  05/07/2026 11 PM PDT            5.19            475         0              Normal
  05/08/2026 12 AM PDT            5.18            473         -              Normal
  05/08/2026 01 AM PDT            5.20            477         +              Normal
  05/08/2026 02 AM PDT            5.22            481         +              Normal
  05/08/2026 03 AM PDT            5.24            485         +              Normal
  05/08/2026 04 AM PDT            5.26            489         +              Normal
  05/08/2026 05 AM PDT            5.28            493         +              Normal
  05/08/2026 06 AM PDT            5.28            493         0              Normal
  05/08/2026 07 AM PDT            5.28            493         0              Normal
  05/08/2026 08 AM PDT            5.28            493         0              Normal
  05/08/2026 09 AM PDT            5.28            493         0              Normal
  05/08/2026 10 AM PDT            5.28            493         0              Normal
  05/08/2026 11 AM PDT            5.28            493         0              Normal
  05/08/2026 12 PM PDT            5.29            495         +              Normal
  05/08/2026 01 PM PDT            5.28            493         -              Normal
  05/08/2026 02 PM PDT            5.26            489         -              Normal
  05/08/2026 03 PM PDT            5.23            483         -              Normal
  05/08/2026 04 PM PDT            5.21            479         -              Normal
  05/08/2026 05 PM PDT            5.19            475         -              Normal
  05/08/2026 06 PM PDT            5.19            475         0              Normal
  05/08/2026 07 PM PDT            5.17            471         -              Normal
  05/08/2026 08 PM PDT            5.17            471         0              Normal
  05/08/2026 09 PM PDT            5.17            471         0              Normal
  05/08/2026 10 PM PDT            5.17            471         0              Normal
  05/08/2026 11 PM PDT            5.19            475         +              Normal
  05/09/2026 12 AM PDT            5.20            477         +              Normal
  05/09/2026 01 AM PDT            5.20            477         0              Normal
  05/09/2026 02 AM PDT            5.21            479         +              Normal
  05/09/2026 03 AM PDT            5.20            477         -              Normal
  05/09/2026 04 AM PDT            5.19            475         -              Normal
  05/09/2026 05 AM PDT            5.18            473         -              Normal
  05/09/2026 06 AM PDT            5.18            473         0              Normal
  05/09/2026 07 AM PDT            5.19            475         +              Normal
  05/09/2026 08 AM PDT            5.22            481         +              Normal
  05/09/2026 09 AM PDT            5.25            487         +              Normal
  05/09/2026 10 AM PDT            5.27            491         +              Normal
  05/09/2026 11 AM PDT            5.29            495         +              Normal
  05/09/2026 12 PM PDT            5.28            493         -              Normal
  05/09/2026 01 PM PDT            5.27            491         -              Normal
  05/09/2026 02 PM PDT            5.25            487         -              Normal
  05/09/2026 03 PM PDT            5.24            485         -              Normal
  05/09/2026 04 PM PDT            5.23            483         -              Normal
  05/09/2026 05 PM PDT            5.22            481         -              Normal
  05/09/2026 06 PM PDT            5.20            477         -              Normal
  05/09/2026 07 PM PDT            5.19            475         -              Normal
  05/09/2026 08 PM PDT            5.18            473         -              Normal
  05/09/2026 09 PM PDT            5.16            469         -              Normal
  05/09/2026 10 PM PDT            5.15            467         -              Normal
  05/09/2026 11 PM PDT            5.14            465         -              Normal
  05/10/2026 12 AM PDT            5.12            460         -              Normal
  05/10/2026 01 AM PDT            5.12            460         0              Normal
  05/10/2026 02 AM PDT            5.11            458         -              Normal
  05/10/2026 03 AM PDT            5.11            458         0              Normal
  05/10/2026 04 AM PDT            5.11            458         0              Normal
  05/10/2026 05 AM PDT            5.11            458         0              Normal
  05/10/2026 06 AM PDT            5.12            460         +              Normal
  05/10/2026 07 AM PDT            5.13            462         +              Normal
  05/10/2026 08 AM PDT            5.16            469         +              Normal
  05/10/2026 09 AM PDT            5.19            475         +              Normal
  05/10/2026 10 AM PDT            5.21            479         +              Normal
  05/10/2026 11 AM PDT            5.23            483         +              Normal
  05/10/2026 12 PM PDT            5.25            487         +              Normal
  05/10/2026 01 PM PDT            5.24            485         -              Normal
  05/10/2026 02 PM PDT            5.24            485         0              Normal
  05/10/2026 03 PM PDT            5.24            485         0              Normal
  05/10/2026 04 PM PDT            5.24            485         0              Normal
  05/10/2026 05 PM PDT            5.22            481         -              Normal
  05/10/2026 06 PM PDT            5.21            479         -              Normal
  05/10/2026 07 PM PDT            5.20            477         -              Normal
  05/10/2026 08 PM PDT            5.17            471         -              Normal
  05/10/2026 09 PM PDT            5.13            462         -              Normal
  05/10/2026 10 PM PDT            5.09            454         -              Normal
  05/10/2026 11 PM PDT            5.06            448         -              Normal
  05/11/2026 12 AM PDT            5.02            440         -              Normal
  05/11/2026 01 AM PDT            4.98            432         -              Normal
  05/11/2026 02 AM PDT            4.94            425         -              Normal
  05/11/2026 03 AM PDT            4.91            419         -              Normal
  05/11/2026 04 AM PDT            4.88            413         -              Normal
  05/11/2026 05 AM PDT            4.87            411         -              Normal
  05/11/2026 06 AM PDT            4.87            411         0              Normal
  05/11/2026 07 AM PDT            4.88            413         +              Normal
  05/11/2026 08 AM PDT            4.89            415         +              Normal
  05/11/2026 09 AM PDT            4.88            413         -              Normal
  05/11/2026 10 AM PDT            4.87            411         -              Normal
  05/11/2026 11 AM PDT            4.85            407         -              Normal
  05/11/2026 12 PM PDT            4.82            401         -              Normal
  05/11/2026 01 PM PDT            4.81            399         -              Normal
  05/11/2026 02 PM PDT            4.79            395         -              Normal
  05/11/2026 03 PM PDT            4.77            391         -              Normal
  05/11/2026 04 PM PDT            4.75            387         -              Normal
  05/11/2026 05 PM PDT            4.74            385         -              Normal
  05/11/2026 06 PM PDT            4.74            385         0              Normal
  05/11/2026 07 PM PDT            4.74            385         0              Normal
  05/11/2026 08 PM PDT            4.74            385         0              Normal
  05/11/2026 09 PM PDT            4.73            384         -              Normal
  05/11/2026 10 PM PDT            4.75            387         +              Normal
  05/11/2026 11 PM PDT            4.77            391         +              Normal
  05/12/2026 12 AM PDT            4.78            393         +              Normal
  05/12/2026 01 AM PDT            4.78            393         0              Normal
  05/12/2026 02 AM PDT            4.79            395         +              Normal
  05/12/2026 03 AM PDT            4.80            397         +              Normal
  05/12/2026 04 AM PDT            4.82            401         +              Normal
  05/12/2026 05 AM PDT            4.84            405         +              Normal
  05/12/2026 06 AM PDT            4.85            407         +              Normal
  05/12/2026 07 AM PDT            4.85            407         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/12/2026 08 AM PDT            4.86            409                        Normal
  05/12/2026 09 AM PDT            4.87            411         +              Normal
  05/12/2026 10 AM PDT            4.88            413         +              Normal
  05/12/2026 11 AM PDT            4.88            413         0              Normal
  05/12/2026 12 PM PDT            4.89            415         +              Normal
  05/12/2026 01 PM PDT            4.90            417         +              Normal
  05/12/2026 02 PM PDT            4.90            417         0              Normal
  05/12/2026 03 PM PDT            4.91            419         +              Normal
  05/12/2026 04 PM PDT            4.92            421         +              Normal
  05/12/2026 05 PM PDT            4.92            421         0              Normal
  05/12/2026 06 PM PDT            4.91            419         -              Normal
  05/12/2026 07 PM PDT            4.91            419         0              Normal
  05/12/2026 08 PM PDT            4.89            415         -              Normal
  05/12/2026 09 PM PDT            4.87            411         -              Normal
  05/12/2026 10 PM PDT            4.84            405         -              Normal
  05/12/2026 11 PM PDT            4.82            401         -              Normal
  05/13/2026 12 AM PDT            4.80            397         -              Normal
  05/13/2026 01 AM PDT            4.78            393         -              Normal
  05/13/2026 02 AM PDT            4.76            389         -              Normal
  05/13/2026 03 AM PDT            4.75            387         -              Normal
  05/13/2026 04 AM PDT            4.73            384         -              Normal
  05/13/2026 05 AM PDT            4.71            380         -              Normal
  05/13/2026 06 AM PDT            4.70            378         -              Normal
  05/13/2026 07 AM PDT            4.68            374         -              Normal
  05/13/2026 08 AM PDT            4.67            372         -              Normal
  05/13/2026 09 AM PDT            4.66            370         -              Normal
  05/13/2026 10 AM PDT            4.64            366         -              Normal
  05/13/2026 11 AM PDT            4.63            364         -              Normal
  05/13/2026 12 PM PDT            4.62            363         -              Normal
  05/13/2026 01 PM PDT            4.61            361         -              Normal
  05/13/2026 02 PM PDT            4.60            359         -              Normal
  05/13/2026 03 PM PDT            4.59            357         -              Normal
  05/13/2026 04 PM PDT            4.58            355         -              Normal
  05/13/2026 05 PM PDT            4.58            355         0              Normal
  05/13/2026 06 PM PDT            4.55            349         -              Normal
  05/13/2026 07 PM PDT            4.55            349         0              Normal
  05/13/2026 08 PM PDT            4.54            347         -              Normal
  05/13/2026 09 PM PDT            4.53            346         -              Normal
  05/13/2026 10 PM PDT            4.53            346         0              Normal
  05/13/2026 11 PM PDT            4.52            344         -              Normal
  05/14/2026 12 AM PDT            4.52            344         0              Normal
  05/14/2026 01 AM PDT            4.52            344         0              Normal
  05/14/2026 02 AM PDT            4.51            342         -              Normal
  05/14/2026 03 AM PDT            4.51            342         0              Normal
  05/14/2026 04 AM PDT            4.51            342         0              Normal
  05/14/2026 05 AM PDT            4.51            342         0              Normal
  05/14/2026 06 AM PDT            4.50            340         -              Normal
  05/14/2026 07 AM PDT            4.50            340         0              Normal
  05/14/2026 08 AM PDT            4.50            340         0              Normal
  05/14/2026 09 AM PDT            4.50            340         0              Normal
  05/14/2026 10 AM PDT            4.50            340         0              Normal
  05/14/2026 11 AM PDT            4.50            340         0              Normal
  05/14/2026 12 PM PDT            4.50            340         0              Normal
  05/14/2026 01 PM PDT            4.50            340         0              Normal
  05/14/2026 02 PM PDT            4.50            340         0              Normal
  05/14/2026 03 PM PDT            4.50            340         0              Normal
  05/14/2026 04 PM PDT            4.50            340         0              Normal
  05/14/2026 05 PM PDT            4.51            342         +              Normal
  05/14/2026 06 PM PDT            4.49            338         -              Normal
  05/14/2026 07 PM PDT            4.49            338         0              Normal
  05/14/2026 08 PM PDT            4.50            340         +              Normal
  05/14/2026 09 PM PDT            4.50            340         0              Normal
  05/14/2026 10 PM PDT            4.50            340         0              Normal
  05/14/2026 11 PM PDT            4.50            340         0              Normal
  05/15/2026 12 AM PDT            4.50            340         0              Normal
  05/15/2026 01 AM PDT            4.51            342         +              Normal
  05/15/2026 02 AM PDT            4.51            342         0              Normal
  05/15/2026 03 AM PDT            4.51            342         0              Normal
  05/15/2026 04 AM PDT            4.52            344         +              Normal
  05/15/2026 05 AM PDT            4.52            344         0              Normal
  05/15/2026 06 AM PDT            4.52            344         0              Normal
  05/15/2026 07 AM PDT            4.53            346         +              Normal
  05/15/2026 08 AM PDT            4.53            346         0              Normal
  05/15/2026 09 AM PDT            4.53            346         0              Normal
  05/15/2026 10 AM PDT            4.54            347         +              Normal
  05/15/2026 11 AM PDT            4.54            347         0              Normal
  05/15/2026 12 PM PDT            4.54            347         0              Normal
  05/15/2026 01 PM PDT            4.55            349         +              Normal
  05/15/2026 02 PM PDT            4.55            349         0              Normal
  05/15/2026 03 PM PDT            4.55            349         0              Normal
  05/15/2026 04 PM PDT            4.56            351         +              Normal
  05/15/2026 05 PM PDT            4.56            351         0              Normal
  05/15/2026 06 PM PDT            4.55            349         -              Normal
  05/15/2026 07 PM PDT            4.55            349         0              Normal
  05/15/2026 08 PM PDT            4.56            351         +              Normal
  05/15/2026 09 PM PDT            4.56            351         0              Normal
  05/15/2026 10 PM PDT            4.57            353         +              Normal
  05/15/2026 11 PM PDT            4.57            353         0              Normal
  05/16/2026 12 AM PDT            4.58            355         +              Normal
  05/16/2026 01 AM PDT            4.58            355         0              Normal
  05/16/2026 02 AM PDT            4.58            355         0              Normal
  05/16/2026 03 AM PDT            4.59            357         +              Normal
  05/16/2026 04 AM PDT            4.59            357         0              Normal
  05/16/2026 05 AM PDT            4.60            359         +              Normal
  05/16/2026 06 AM PDT            4.60            359         0              Normal
  05/16/2026 07 AM PDT            4.61            361         +              Normal
  05/16/2026 08 AM PDT            4.61            361         0              Normal
  05/16/2026 09 AM PDT            4.61            361         0              Normal
  05/16/2026 10 AM PDT            4.62            363         +              Normal
  05/16/2026 11 AM PDT            4.62            363         0              Normal
  05/16/2026 12 PM PDT            4.63            364         +              Normal
  05/16/2026 01 PM PDT            4.63            364         0              Normal
  05/16/2026 02 PM PDT            4.64            366         +              Normal
  05/16/2026 03 PM PDT            4.64            366         0              Normal
  05/16/2026 04 PM PDT            4.65            368         +              Normal
  05/16/2026 05 PM PDT            4.65            368         0              Normal
  05/16/2026 06 PM PDT            4.66            370         +              Normal
  05/16/2026 07 PM PDT            4.66            370         0              Normal
  05/16/2026 08 PM PDT            4.66            370         0              Normal
  05/16/2026 09 PM PDT            4.67            372         +              Normal
  05/16/2026 10 PM PDT            4.67            372         0              Normal
  05/16/2026 11 PM PDT            4.67            372         0              Normal
  05/17/2026 12 AM PDT            4.68            374         +              Normal
  05/17/2026 01 AM PDT            4.68            374         0              Normal
  05/17/2026 02 AM PDT            4.68            374         0              Normal
  05/17/2026 03 AM PDT            4.69            376         +              Normal
  05/17/2026 04 AM PDT            4.69            376         0              Normal
  05/17/2026 05 AM PDT            4.69            376         0              Normal
#
# 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.