Pennsylvania
West Branch Susquehanna River at Williamsport
Location Snapshot
The West Branch Susquehanna River at Williamsport is a large Lycoming County warmwater mainstem. Smallmouth bass, walleye, and channel catfish provide the central fishing opportunities.
Current River Rating
Good
Conditions look favorable based on the available readings.
Low confidence
Estimated Conditions
Estimated from available current readings, weather, seasonal patterns, destination characteristics, and historical conditions. Some important on-water measurements may be unavailable.
Should I Go?
Consider
Timing Outlook
This timing outlook is informational only; current river conditions remain Good.
Why
- Water temperature is unavailable.
Current Readings
- Flow
- 3690 CFS
- Gage Height
- 1.82 ft
- Water Temperature
- Not available
- Observation Time
- Oct 21, 2026, 1:15 PM
Updated recently · USGS station 01551500 · 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
43°F
Feels like
38°F
Wind
4 mph SW
Wind gust
5 mph
Current precipitation
0.00 in
Updated
Oct 21, 2026, 9:15 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Wed 11 AM
Clear
Temp 51°F
Chance 0%
Precip 0.00 in
Wind 2 mph
Wed 3 PM
Clear
Temp 62°F
Chance 0%
Precip 0.00 in
Wind 3 mph
Wed 7 PM
Clear
Temp 53°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Wed 11 PM
Clear
Temp 47°F
Chance 0%
Precip 0.00 in
Wind 4 mph
Thu 3 AM
Clear
Temp 41°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Thu 7 AM
Clear
Temp 39°F
Chance 0%
Precip 0.00 in
Wind 6 mph
Four-Day Forecast
Wed, Oct 21
Clear
High 63°F / Low 37°F
Chance 0%
Precip 0.00 in
Max gust 10 mph
Thu, Oct 22
Overcast
High 64°F / Low 39°F
Chance 0%
Precip 0.00 in
Max gust 21 mph
Fri, Oct 23
Overcast
High 60°F / Low 39°F
Chance 0%
Precip 0.00 in
Max gust 14 mph
Sat, Oct 24
Overcast
High 58°F / Low 36°F
Chance 0%
Precip 0.00 in
Max gust 9 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
Wild smallmouth bass are in the West Branch Susquehanna River at Williamsport, along with channel catfish and walleye.
Fishery Profile
Documented species you may encounter at West Branch Susquehanna 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
Target species
Smallmouth Bass
Micropterus dolomieu
- Expectation
- Primary
- Population
- Established
- Native status
- introduced
- Confidence
- High confidence
Channel Catfish
Ictalurus punctatus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- Medium confidence
Walleye
Sander vitreus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Natural flow
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Drift fishing
- Shore fishing
- Spinning
Official sources
Hatch Match
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Location and Access
USGS monitoring location
Pennsylvania
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
Target Species
Smallmouth Bass, Channel Catfish, Walleye
Access, Parking, and Regulations
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