Merrimack River At Lowell
Back to River Summary
| Stage Color Key |
| 50 ft - Near Flood |
52 ft - Minor Flood |
54 ft - Moderate Flood |
58 ft - Major Flood |
Latest Observation:
Saturday September 5th, 2026 07:30 AM EDT
River Status:
Old Data
| |
Height |
Flow |
| Currently |
41.44 ft |
1.06 kcfs |
| Record |
68.4 ft |
173000 cfs |
| Forecast |
| |
Date (EDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Friday 09/04/2026 08:00 PM |
41.30 |
0.90 |
|
|
Saturday 09/05/2026 02:00 AM |
41.40 |
1.01 |
|
|
Saturday 09/05/2026 08:00 AM |
41.50 |
1.13 |
|
|
Saturday 09/05/2026 02:00 PM |
41.50 |
1.13 |
|
|
Saturday 09/05/2026 08:00 PM |
41.60 |
1.26 |
|
|
Sunday 09/06/2026 02:00 AM |
41.70 |
1.40 |
|
|
Sunday 09/06/2026 08:00 AM |
41.70 |
1.40 |
| Observation |
| |
Date (EDT) |
Stage (ft) |
Flow (kcfs) |
|
|
Saturday 09/05/2026 02:30 AM |
41.67 |
1.36 |
|
|
Saturday 09/05/2026 02:45 AM |
41.67 |
1.36 |
|
|
Saturday 09/05/2026 03:00 AM |
41.67 |
1.36 |
|
|
Saturday 09/05/2026 03:15 AM |
41.66 |
1.34 |
|
|
Saturday 09/05/2026 03:30 AM |
41.66 |
1.34 |
|
|
Saturday 09/05/2026 03:45 AM |
41.66 |
1.34 |
|
|
Saturday 09/05/2026 04:00 AM |
41.65 |
1.33 |
|
|
Saturday 09/05/2026 04:15 AM |
41.65 |
1.33 |
|
|
Saturday 09/05/2026 04:30 AM |
41.65 |
1.33 |
|
|
Saturday 09/05/2026 04:45 AM |
41.65 |
1.33 |
|
|
Saturday 09/05/2026 05:00 AM |
41.65 |
1.33 |
|
|
Saturday 09/05/2026 05:15 AM |
41.64 |
1.32 |
|
|
Saturday 09/05/2026 05:30 AM |
41.64 |
1.32 |
|
|
Saturday 09/05/2026 05:45 AM |
41.64 |
1.32 |
|
|
Saturday 09/05/2026 06:00 AM |
41.64 |
1.32 |
|
|
Saturday 09/05/2026 06:15 AM |
41.62 |
1.29 |
|
|
Saturday 09/05/2026 06:30 AM |
41.59 |
1.25 |
|
|
Saturday 09/05/2026 06:45 AM |
41.55 |
1.19 |
|
|
Saturday 09/05/2026 07:00 AM |
41.51 |
1.14 |
|
|
Saturday 09/05/2026 07:15 AM |
41.48 |
1.11 |
Data Courtesy of the Advanced Hydrologic Prediction Service
Script Courtesy of Dennis at East Masonville Weather
with mods by Saratoga-weather.org
from Medfield, Massachusetts! 
