New Jersey
Big Flatbrook
Current River Rating
Poor · 43
Conditions are unfavorable based on the available readings.
Scores are model-specific and are not directly comparable across water types.
Partial water evidence · Low confidence
Should I Go?
Wait
Limited opportunity
Timing Outlook
No reliable fishing window is recommended while current river conditions remain Poor.
Why
- Recent observed air temperature suggests unfavorable river water temperature for trout.
- Water temperature is unavailable.
Favorable Factors
- Recent precipitation has been light.
- Light wind should make casting and boat control easier.
- Cloud cover is favorable for daytime trout fishing.
Cautions
- Recent observed air temperature suggests unfavorable river water temperature for trout. Verify with a stream thermometer; this is not a measured water temperature.
Timing Evidence
Dawn low light is favorable.
Current Readings
- Flow
- 40.9 CFS
- Gage Height
- 2.11 ft
- Water Temperature
- Not available
- Observation Time
- Sep 5, 2026, 7:00 AM
Updated recently · Nearby USGS station 01440000 · Proxy monitoring location
Readings from past 7 Days
Loading readings from the past 7 days…
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
Loading advisory…
Weather Near Gauge
Current Weather
Mostly clear
Temperature
66°F
Feels like
68°F
Wind
4 mph E
Wind gust
10 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
0.17 in
Little recent rainfall near this river.
Next 24 Hours
Sat 4 AM
Mostly clear
Temp 66°F
Chance 0%
Precip 0.00 in
Wind 3 mph
Sat 8 AM
Clear
Temp 67°F
Chance 0%
Precip 0.00 in
Wind 2 mph
Sat 12 PM
Clear
Temp 75°F
Chance 0%
Precip 0.00 in
Wind 8 mph
Sat 4 PM
Overcast
Temp 77°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Sat 8 PM
Clear
Temp 69°F
Chance 2%
Precip 0.00 in
Wind 4 mph
Sun 12 AM
Overcast
Temp 66°F
Chance 6%
Precip 0.00 in
Wind 3 mph
Four-Day Forecast
Sat, Sep 5
Overcast
High 77°F / Low 64°F
Chance 3%
Precip 0.00 in
Max gust 16 mph
Sun, Sep 6
Overcast
High 73°F / Low 59°F
Chance 6%
Precip 0.00 in
Max gust 13 mph
Mon, Sep 7
Overcast
High 78°F / Low 53°F
Chance 0%
Precip 0.00 in
Max gust 12 mph
Tue, Sep 8
Overcast
High 83°F / Low 56°F
Chance 1%
Precip 0.00 in
Max gust 7 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
Loading historical flow…
Fishing Overview
Big Flatbrook / Flat Brook system from the Stokes State Forest corridor downstream toward Flatbrookville and the Delaware confluence. USGS station 01440000 near Flatbrookville is an acceptable proxy for the broader Big Flatbrook destination: it monitors the lower Flatbrookville gauge reach and does not represent every upper Stokes wild section identically. Live water-temperature IV is stale and not usable as current measured temperature; summer thermal stress and conservation ethics remain relevant for trout.
Fishery Profile
Documented species you may encounter at Big Flatbrook.
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
Big Flatbrook is a New Jersey Division of Fish and Wildlife trout-stocked river.
Target species
Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Stocked
- Native status
- native
- Confidence
- High confidence
Agency trout-stocked / wild-trout river target.
Brook Trout
Salvelinus fontinalis
- Expectation
- Common
- Population
- Stocked
- Native status
- native
- Confidence
- High confidence
Agency trout-stocked or wild brook trout where the named reach supports them.
Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Agency trout-stocked companion species.
Fishery characteristics
- Composition
- Stocked
- Great Lakes tributary
- No
Best seasons
- Spring
- Fall
Common techniques
- Fly fishing
- Nymphing
- Spinning
Access and Public Fishing Rights
Public trout-stocked river access is documented by NJ Fish & Wildlife.
Stocking information
Confirm current official stocking on the agency stocking report. This profile does not treat occurrence as a live stocking claim.
- Stocked
Brown Trout
Stocked · New Jersey Division of Fish and Wildlife
- Stocked
Brook Trout
Stocked · New Jersey Division of Fish and Wildlife
- Stocked
Rainbow Trout
Stocked · New Jersey Division of Fish and Wildlife
Official sources
Verify current official seasons, limits, and special trout regulations before fishing.
Hatch Match
General fly suggestions
- Parachute-style dryGeneral attractor dry family — not a claim that a named mayfly is hatching.
- Pheasant-tail-style nymphGeneral nymph family for trout rivers without destination hatch timing.
- Elk-hair-style dryGeneral dry/attractor family. Pattern choice only — not a report that caddis are hatching.
- Woolly-bugger-style streamerGeneral streamer family. Not a forage or insect Hatch event.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
USGS monitoring location
Sussex, New Jersey
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
County
Sussex
Management Category
Trout stream
Regulation Scope
Big Flatbrook / Flat Brook trout sections
Regulation Summary
NJDEP trout regulations and wild/stocked section nuance may apply; confirm current seasons, methods, and limits.
Target Species
Brown Trout, Rainbow Trout, Brook Trout
Access, Parking, and Regulations
Loading access and regulations…
