527  
FGUS51 KTAR 180028  
RVFBOX  
RIVER FORECAST  
NATIONAL WEATHER SERVICE  
NORTHEAST RIVER FORECAST CENTER...NORTON, MA  
0828 PM EDT TUE MAR 17 2026  
:  
:THIS IS A NWS GUIDANCE PRODUCT FROM THE NORTHEAST RIVER FORECAST CENTER.  
:OFFICIAL FORECASTS/WARNINGS ARE ONLY ISSUED BY LOCAL NWS OFFICES.  
:  
:************************************************************  
:NORTH NASHUA RIVER - FITCHBURG, MA  
:FLOOD STAGE 6.5 FT  
:LATEST OBSERVED VALUE - 4.7 FT AT MAR-17 0730 PM  
.ER FBGM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 4.5  
.E2 :0318: / 4.3 / 4.2 / 4.0 / 3.9  
.E3 :0319: / 3.8 / 3.7 / 3.6 / 3.6  
.E4 :0320: / 3.5 / 3.5 / 3.4  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:SQUANNACOOK RIVER - WEST GROTON, MA  
:FLOOD STAGE 7.0 FT  
:LATEST OBSERVED VALUE - 2.5 FT AT MAR-17 0800 PM  
.ER WGTM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 4.2  
.E2 :0318: / 4.1 / 4.0 / 3.8 / 3.7  
.E3 :0319: / 3.6 / 3.5 / 3.4 / 3.4  
.E4 :0320: / 3.3 / 3.3 / 3.2  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:FORECAST NOT BASED ON GAGE READING DUE TO GAGE MALFUNCTION  
:************************************************************  
:NASHUA RIVER - EAST PEPPERELL, MA  
:FLOOD STAGE 8.0 FT  
:LATEST OBSERVED VALUE - 3.9 FT AT MAR-17 0745 PM  
.ER DNSM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 4.2  
.E2 :0318: / 4.4 / 4.5 / 4.5 / 4.4  
.E3 :0319: / 4.2 / 4.0 / 3.8 / 3.6  
.E4 :0320: / 3.4 / 3.3 / 3.2  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:RIVER STAGE IS AFFECTED BY POWER GENERATION AT LOW FLOWS  
:************************************************************  
:NASHUA RIVER - EAST PEPPERELL, MA  
:FLOOD STAGE {MISSING}  
:LATEST OBSERVED VALUE - 1.5 KCFS AT MAR-17 0800 PM  
.ER DNSM3 20260318 E DC202603172028/DH02/QRIFF/DIH6  
:FLOW FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 1.7  
.E2 :0318: / 1.8 / 1.9 / 1.9 / 1.8  
.E3 :0319: / 1.7 / 1.6 / 1.5 / 1.4  
.E4 :0320: / 1.3 / 1.2 / 1.2  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:RIVER STAGE IS AFFECTED BY POWER GENERATION AT LOW FLOWS  
:************************************************************  
:ASSABET RIVER - MAYNARD, MA  
:FLOOD STAGE 5.0 FT  
:LATEST OBSERVED VALUE - 3.9 FT AT MAR-17 0715 PM  
.ER MAYM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 4.0  
.E2 :0318: / 4.1 / 4.1 / 4.1 / 4.1  
.E3 :0319: / 4.1 / 4.0 / 3.9 / 3.8  
.E4 :0320: / 3.8 / 3.7 / 3.6  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:SUDBURY RIVER - SAXONVILLE, MA  
:FLOOD STAGE 10.0 FT  
:LATEST OBSERVED VALUE - 9.1 FT AT MAR-17 0715 PM  
.ER SAXM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 9.1  
.E2 :0318: / 9.0 / 8.9 / 8.8 / 8.7  
.E3 :0319: / 8.6 / 8.6 / 8.5 / 8.5  
.E4 :0320: / 8.5 / 8.4 / 8.4  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:RIVER STAGE IS AFFECTED BY RESERVOIR REGULATION  
:************************************************************  
:CONCORD RIVER - LOWELL, MA  
:FLOOD STAGE 8.0 FT  
:LATEST OBSERVED VALUE - 6.9 FT AT MAR-17 0730 PM  
.ER LCNM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 6.9  
.E2 :0318: / 6.9 / 6.9 / 6.9 / 6.9  
.E3 :0319: / 6.9 / 6.9 / 6.9 / 6.9  
.E4 :0320: / 6.9 / 6.8 / 6.8  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:CONCORD RIVER - LOWELL, MA  
:FLOOD STAGE {MISSING}  
:LATEST OBSERVED VALUE - 2.0 KCFS AT MAR-17 0800 PM  
.ER LCNM3 20260318 E DC202603172028/DH02/QRIFF/DIH6  
:FLOW FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 1.9  
.E2 :0318: / 1.9 / 1.9 / 1.9 / 1.9  
.E3 :0319: / 1.9 / 1.9 / 1.9 / 1.9  
.E4 :0320: / 1.9 / 1.9 / 1.9  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:MERRIMACK RIVER - LOWELL, MA  
:FLOOD STAGE 52.0 FT  
:LATEST OBSERVED VALUE - 47.6 FT AT MAR-17 0730 PM  
.ER LOWM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 48.1  
.E2 :0318: / 48.6 / 49.1 / 49.4 / 49.6  
.E3 :0319: / 49.6 / 49.6 / 49.5 / 49.3  
.E4 :0320: / 49.1 / 48.8 / 48.5  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:RIVER STAGE IS AFFECTED BY POWER GENERATION AT LOW FLOWS  
:************************************************************  
:MERRIMACK RIVER - LOWELL, MA  
:FLOOD STAGE {MISSING}  
:LATEST OBSERVED VALUE - 21.3 KCFS AT MAR-17 0800 PM  
.ER LOWM3 20260318 E DC202603172028/DH02/QRIFF/DIH6  
:FLOW FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 23.7  
.E2 :0318: / 26.1 / 28.4 / 30.2 / 31.1  
.E3 :0319: / 31.4 / 31.1 / 30.4 / 29.5  
.E4 :0320: / 28.4 / 27.0 / 25.3  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:RIVER STAGE IS AFFECTED BY POWER GENERATION AT LOW FLOWS  
:************************************************************  
:SHAWSHEEN RIVER - ANDOVER, MA  
:FLOOD STAGE 29.0 FT  
:LATEST OBSERVED VALUE - 25.7 FT AT MAR-17 0815 PM  
.ER ANDM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 25.8  
.E2 :0318: / 25.8 / 25.9 / 26.0 / 26.1  
.E3 :0319: / 26.1 / 26.1 / 26.1 / 26.0  
.E4 :0320: / 25.8 / 25.7 / 25.6  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:SHAWSHEEN RIVER - WILMINGTON, MA  
:FLOOD STAGE {MISSING}  
:LATEST OBSERVED VALUE - 0.1 KCFS AT MAR-17 0800 PM  
.ER WLMM3 20260318 E DC202603172028/DH02/QRIFF/DIH6  
:FLOW FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 0.2  
.E2 :0318: / 0.2 / 0.2 / 0.2 / 0.2  
.E3 :0319: / 0.2 / 0.1 / 0.1 / 0.1  
.E4 :0320: / 0.1 / 0.1 / 0.1  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:SHAWSHEEN RIVER - WILMINGTON, MA  
:FLOOD STAGE 7.0 FT  
:LATEST OBSERVED VALUE - 3.9 FT AT MAR-17 0730 PM  
.ER WLMM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 4.1  
.E2 :0318: / 4.2 / 4.2 / 4.1 / 4.1  
.E3 :0319: / 3.9 / 3.8 / 3.7 / 3.6  
.E4 :0320: / 3.5 / 3.4 / 3.3  
: LOCAL QPF - 6 HR TIMESTEP  
: 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/ 0.00/  
:  
:************************************************************  
:MERRIMACK RIVER - LAWRENCE, MA  
:FLOOD STAGE 24.0 FT  
:LATEST OBSERVED VALUE - 17.1 FT AT MAR-17 0730 PM  
.ER LAWM3 20260318 E DC202603172028/DH02/HGIFF/DIH6  
:STAGE FCST / 8AM / 2PM / 8PM / 2AM  
.E1 :0317: / 17.8  
.E2 :0318: / 18.5 / 19.1 / 19.6 / 20.0  
.E3 :0319: / 20.0 / 20.0 / 19.8 / 19.5  
.E4 :0320: / 19.2 / 18.8 / 18.4  
: LOCAL QPF - 6 HR TIMESTEP  
:  
:  
:************************************************************  
:MERRIMACK RIVER - HAVERHILL (BATES BRIDGE), MA  
:FLOOD STAGE 11.0 FT  
:LATEST OBSERVED VALUE - 3.0 FT AT MAR-17 0812 PM  
:  
:RIVER FORECAST  
.ER BATM3 20260317 E DC202603172028/DH21/HMIFF/DIH1  
.E1 :03/17 08PM-02AM: / 2.9 / 3.7 / 5.1 / 5.7 / 5.6  
.E2 :03/18 02AM-08AM:/ 5.3 / 4.9 / 4.6 / 4.3 / 4.0 / 3.9  
.E3 :03/18 08AM-02PM:/ 3.8 / 3.8 / 4.3 / 5.4 / 6.1 / 6.3  
.E4 :03/18 02PM-08PM:/ 6.2 / 5.9 / 5.7 / 5.4 / 5.2 / 5.1  
.E5 :03/18 08PM-02AM:/ 5.0 / 4.9 / 5.2 / 6.1 / 7.1 / 7.6  
.E6 :03/19 02AM-08AM:/ 7.5 / 7.1 / 6.8 / 6.4 / 6.1 / 5.9  
.E7 :03/19 08AM-02PM:/ 5.7 / 5.6 / 5.6 / 5.8 / 6.5 / 7.1  
.E8 :03/19 02PM-08PM:/ 7.0 / 6.8 / 6.5 / 6.2 / 6.0 / 5.8  
.E9 :03/19 08PM-02AM:/ 5.6 / 5.4 / 5.4 / 5.7 / 6.4 / 7.1  
.E10 :03/20 02AM-08AM:/ 7.0 / 6.7 / 6.4 / 6.1 / 5.8 / 5.6  
.E11 :03/20 08AM-02PM:/ 5.4 / 5.2 / 5.0 / 5.0 / 5.3 / 6.1  
.E12 :03/20 02PM-08PM:/ 6.8 / 6.6 / 6.3 / 5.9 / 5.6 / 5.3  
.E13 :03/20 08PM-09PM:/ 5.0  
: LOCAL QPF - 6 HR TIMESTEP  
:  
:  
:*******************************************************************  
:  
:  
 
:NERFC  
:...END OF MESSAGE...  
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