801  
FGUS51 KTIR 210200  
RVFMAU  
 
RIVER FORECAST  
NWS OHIO RIVER FORECAST CENTER, WILMINGTON OH  
959 PM EDT SUN SEP 20 2026  
 
THIS IS A NWS GUIDANCE PRODUCT FROM THE OHIO RIVER FORECAST CENTER.  
PUBLIC FORECASTS AND WARNINGS ARE ISSUED ONLY BY LOCAL NWS OFFICES.  
STATISTICAL UNCERTAINTIES CAN BE VIEWED FROM OUR ENSEMBLE PAGES AT:  
HTTP://WEATHER.GOV/ERH/MMEFS  
 
:  
:************************************************************  
: ST. MARYS RIVER - ROCKFORD, OH - IWX  
:  
: ACTION STAGE 10.0 FT  
: FLOOD STAGE 13.0 FT  
: MODERATE FLOOD STAGE 15.0 FT  
: MAJOR FLOOD STAGE 18.0 FT  
:  
:LATEST OBSERVED VALUE - 12.8 FT AT 840 PM EDT ON SEP 20  
:  
 
.ER RFDO1 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 13.0  
.E2 : 0921 : / 12.5 / 12.1 / 11.7 / 11.3  
.E3 : 0922 : / 10.9 / 10.5 / 10.1 / 9.8  
.E4 : 0923 : / 9.7 / 9.7 / 9.7 / 9.7  
.E5 : 0924 : / 9.7 / 9.7 / 9.7 / 9.7  
.E6 : 0925 : / 9.7 / 9.6 / 9.5  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.31/ 0.50/ 0.14/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: SAINT MARYS RIVER - ST MARYS RIVER AT DECATUR, IN - IWX  
:  
: ACTION STAGE 13.0 FT  
: FLOOD STAGE 17.0 FT  
: MODERATE FLOOD STAGE 20.0 FT  
: MAJOR FLOOD STAGE 24.0 FT  
:  
:LATEST OBSERVED VALUE - 23.4 FT AT 930 PM EDT ON SEP 20  
:  
 
:FALL BELOW FLOOD STAGE AROUND 11AM EDT ON THU, SEP 24  
:  
.ER DCRI3 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 23.4  
.E2 : 0921 : / 23.3 / 23.2 / 23.1 / 22.8  
.E3 : 0922 : / 22.5 / 21.9 / 21.4 / 20.9  
.E4 : 0923 : / 20.1 / 19.3 / 18.6 / 17.8  
.E5 : 0924 : / 17.1 / 16.7 / 16.4 / 16.1  
.E6 : 0925 : / 15.8 / 15.5 / 15.2  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.27/ 0.33/ 0.14/ 0.01/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: SAINT MARYS RIVER - ST MARYS RVR NR FORT WAYNE, IN - IWX  
:  
: ACTION STAGE 12.0 FT  
: FLOOD STAGE 14.0 FT  
: MODERATE FLOOD STAGE 17.0 FT  
: MAJOR FLOOD STAGE 19.0 FT  
:  
:LATEST OBSERVED VALUE - 16.1 FT AT 930 PM EDT ON SEP 20  
:  
 
:CREST NEAR 16.6 FT AROUND 2PM EDT ON MON, SEP 21  
:FALL BELOW FLOOD STAGE AROUND 11PM EDT ON WED, SEP 23  
:  
.ER SASI3 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 16.3  
.E2 : 0921 : / 16.5 / 16.6 / 16.6 / 16.4  
.E3 : 0922 : / 16.2 / 16.0 / 15.8 / 15.5  
.E4 : 0923 : / 15.2 / 14.8 / 14.4 / 13.9  
.E5 : 0924 : / 13.5 / 13.1 / 12.7 / 12.2  
.E6 : 0925 : / 11.8 / 11.4 / 10.9  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.29/ 0.21/ 0.15/ 0.01/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: MAUMEE RIVER - FORT WAYNE, IN - IWX  
:  
: ACTION STAGE 9.6 FT  
: FLOOD STAGE 17.0 FT  
: MODERATE FLOOD STAGE 20.0 FT  
: MAJOR FLOOD STAGE 26.0 FT  
:  
:LATEST OBSERVED VALUE - 15.7 FT AT 925 PM EDT ON SEP 20  
:  
 
:CREST NEAR 16.6 FT AROUND 8PM EDT ON MON, SEP 21  
.ER FTWI3 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 16.1  
.E2 : 0921 : / 16.4 / 16.5 / 16.6 / 16.5  
.E3 : 0922 : / 16.3 / 16.1 / 15.9 / 15.6  
.E4 : 0923 : / 15.2 / 14.7 / 14.3 / 13.9  
.E5 : 0924 : / 13.5 / 13.0 / 12.6 / 12.1  
.E6 : 0925 : / 11.7 / 11.2 / 10.8  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.27/ 0.12/ 0.14/ 0.01/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: BLANCHARD RIVER - FINDLAY, OH - CLE  
:  
: ACTION STAGE 9.0 FT  
: FLOOD STAGE 12.0 FT  
: MODERATE FLOOD STAGE 13.5 FT  
: MAJOR FLOOD STAGE 14.5 FT  
:  
:LATEST OBSERVED VALUE - 5.1 FT AT 900 PM EDT ON SEP 20  
:  
 
.ER FDYO1 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 4.6  
.E2 : 0921 : / 4.3 / 4.3 / 4.5 / 4.8  
.E3 : 0922 : / 5.1 / 5.2 / 5.1 / 4.8  
.E4 : 0923 : / 4.4 / 3.9 / 3.5 / 3.2  
.E5 : 0924 : / 2.9 / 2.7 / 2.5 / 2.3  
.E6 : 0925 : / 2.2 / 2.1 / 2.0  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.15/ 0.16/ 0.13/ 0.03/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: BLANCHARD RIVER - BLANCHARD RIVER AT OTTAWA, OH - IWX  
:  
: ACTION STAGE 20.0 FT  
: FLOOD STAGE 23.0 FT  
: MODERATE FLOOD STAGE 27.0 FT  
: MAJOR FLOOD STAGE 30.0 FT  
:  
:LATEST OBSERVED VALUE - 16.0 FT AT 930 PM EDT ON SEP 20  
:  
 
.ER OTTO1 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 16.2  
.E2 : 0921 : / 16.2 / 15.4 / 15.0 / 15.0  
.E3 : 0922 : / 15.0 / 15.1 / 15.3 / 15.3  
.E4 : 0923 : / 15.2 / 14.9 / 14.4 / 13.9  
.E5 : 0924 : / 13.1 / 12.4 / 11.5 / 10.7  
.E6 : 0925 : / 10.0 / 9.4 / 9.0  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.19/ 0.18/ 0.15/ 0.02/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: OTTAWA RIVER - KALIDA, OH - IWX  
:  
: ACTION STAGE 16.0 FT  
: FLOOD STAGE 19.0 FT  
: MODERATE FLOOD STAGE 20.0 FT  
: MAJOR FLOOD STAGE 22.0 FT  
:  
:LATEST OBSERVED VALUE - 11.0 FT AT 930 PM EDT ON SEP 20  
:  
 
.ER KALO1 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 12.2  
.E2 : 0921 : / 12.7 / 12.6 / 12.4 / 12.2  
.E3 : 0922 : / 11.9 / 11.8 / 11.7 / 11.7  
.E4 : 0923 : / 11.5 / 11.3 / 10.8 / 10.2  
.E5 : 0924 : / 9.5 / 8.9 / 8.3 / 7.8  
.E6 : 0925 : / 7.4 / 7.0 / 6.7  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.24/ 0.23/ 0.16/ 0.02/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: MAUMEE RIVER - DEFIANCE, OH - IWX  
:  
: ACTION STAGE 8.0 FT  
: FLOOD STAGE 10.0 FT  
: MODERATE FLOOD STAGE 15.0 FT  
: MAJOR FLOOD STAGE 20.0 FT  
:  
:LATEST OBSERVED VALUE - 6.5 FT AT 915 PM EDT ON SEP 20  
:  
 
.ER DEFO1 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 6.9  
.E2 : 0921 : / 7.2 / 7.4 / 7.7 / 7.6  
.E3 : 0922 : / 7.5 / 7.3 / 7.1 / 6.9  
.E4 : 0923 : / 6.8 / 6.6 / 6.5 / 6.4  
.E5 : 0924 : / 6.2 / 6.0 / 5.7 / 5.5  
.E6 : 0925 : / 5.2 / 5.0 / 4.8  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.10/ 0.07/ 0.11/ 0.02/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:************************************************************  
: MAUMEE RIVER - WATERVILLE, OH - CLE  
:  
: ACTION STAGE 9.0 FT  
: FLOOD STAGE 11.0 FT  
: MODERATE FLOOD STAGE 15.0 FT  
: MAJOR FLOOD STAGE 16.0 FT  
:  
:LATEST OBSERVED VALUE - 6.8 FT AT 900 PM EDT ON SEP 20  
:  
 
.ER WTVO1 20260921 Z DC202609210159/DH06/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0920 : / 6.8  
.E2 : 0921 : / 7.0 / 7.4 / 7.6 / 7.8  
.E3 : 0922 : / 8.0 / 8.0 / 7.8 / 7.7  
.E4 : 0923 : / 7.6 / 7.4 / 7.3 / 7.2  
.E5 : 0924 : / 7.1 / 7.0 / 6.8 / 6.7  
.E6 : 0925 : / 6.5 / 6.2 / 6.0  
: LOCAL BASIN QPF - 6 HR TIMESTEP  
: 0.08/ 0.11/ 0.17/ 0.03/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
 
:  
:*******************************************************************  
:  
:  
 
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