Massachusetts
Merrimack River at Lowell
Current River Rating
Unavailable
Not enough local guidance to rate conditions.
Low confidence
Should I Go?
Not Enough Data
Timing Outlook
No reliable fishing window is available with the current data.
Why
- This river does not yet have enough local fishing guidance to assign a rating.
Cautions
- Water temperature is unavailable.
Current Readings
- Flow
- Not available
- Gage Height
- Not available
- Water Temperature
- Not available
- Latest current reading
- Not available
Monitoring temporarily unavailable. · USGS station 01100000 · Direct monitoring location
Readings from past 7 Days
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Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
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Weather Near Gauge
Current Weather
Clear
Temperature
62°F
Feels like
62°F
Wind
4 mph W
Wind gust
11 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 3:45 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.02 in
Little recent rainfall near this river.
Next 24 Hours
Sat 4 AM
Clear
Temp 62°F
Chance 0%
Precip 0.00 in
Wind 4 mph
Sat 8 AM
Clear
Temp 67°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Sat 12 PM
Overcast
Temp 71°F
Chance 6%
Precip 0.00 in
Wind 8 mph
Sat 4 PM
Mostly clear
Temp 70°F
Chance 16%
Precip 0.00 in
Wind 11 mph
Sat 8 PM
Overcast
Temp 65°F
Chance 7%
Precip 0.00 in
Wind 1 mph
Sun 12 AM
Overcast
Temp 62°F
Chance 3%
Precip 0.00 in
Wind 3 mph
Four-Day Forecast
Sat, Sep 5
Overcast
High 72°F / Low 60°F
Chance 16%
Precip 0.00 in
Max gust 16 mph
Sun, Sep 6
Rain
High 72°F / Low 56°F
Chance 11%
Precip 0.07 in
Max gust 21 mph
Mon, Sep 7
Overcast
High 80°F / Low 52°F
Chance 4%
Precip 0.00 in
Max gust 24 mph
Tue, Sep 8
Overcast
High 80°F / Low 58°F
Chance 1%
Precip 0.00 in
Max gust 22 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
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Fishing Overview
USGS streamgage MERRIMACK RIVER BL CONCORD RIVER AT LOWELL, MA (01100000). Coordinates are the USGS monitoring-location point. App-supported continuous parameters currently available: streamflow (00060) and gage height (00065). This destination is the bounded Lowell freshwater corridor only; not Lawrence tidal, not Newburyport estuary, and not the NH Franklin Junction destination. Must not inherit trout 50/65/68°F bands.
Fishery Profile
Documented species you may encounter at Merrimack River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
Massachusetts Merrimack freshwater mainstem at Lowell. Distinct from tidal Newburyport and from the NH Franklin Junction catalog row. USGS 01100000 provides live streamflow and stage.
Target species
American Shad
Alosa sapidissima
- Expectation
- Primary
- Population
- Established
- Native status
- unknown
- Confidence
- High confidence
MassWildlife lists Connecticut and Merrimack as trophy shad waters.
Source: MassWildlife
Smallmouth Bass
Micropterus dolomieu
- Expectation
- Primary
- Population
- Established
- Native status
- unknown
- Confidence
- High confidence
Smallmouth bass are a primary Lowell Merrimack target.
Source: MassWildlife
Largemouth Bass
Micropterus nigricans
- Expectation
- Common
- Population
- Established
- Native status
- unknown
- Confidence
- High confidence
Largemouth bass are present on the Lowell freshwater Merrimack.
Source: MassWildlife
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Natural flow
Freshwater Merrimack mainstem at Lowell below the Concord confluence. Not tidal lower Merrimack.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Shore fishing
- Spinning
Access and Public Fishing Rights
Lowell freshwater corridor public access. Catalog coordinates are the USGS gage point.
Stocking information
Confirm any current MassWildlife stocking on the official trout stocking report.
Official sources
This destination is freshwater Lowell only. Do not extend it to tidal lower Merrimack.
Hatch Match
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Location and Access
USGS monitoring location
Massachusetts
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
River Details
Management Category
Warmwater river
Regulation Scope
Merrimack River at Lowell freshwater gauge reach
Regulation Summary
MassWildlife freshwater fishing regulations apply on the Lowell Merrimack. American shad harvest is allowed on the Merrimack including tributaries. Confirm current seasons and limits.
Target Species
American Shad, Smallmouth Bass, Largemouth Bass
Access, Parking, and Regulations
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