Smallmouth Bass
PeakWhere: boulder runs, bridge shade, pool tails, creek-mouth rock, and lower-river current breaks on Black River.
Move: tubes, Ned rigs, small jerkbaits, poppers, and crayfish-colored streamers.
Species guide →Black River (Watertown)
Fair
About Black River (Watertown)
The Black River at Watertown is a Lake Ontario river of an entirely different order from its OH namesake -- 1,864 square miles of Adirondack-draining watershed, peak flows above 5,000 cfs in steelhead season, and a hard-water character that rewards heavier gear and longer drifts. The Dexter dam tailwater holds fish through winter; Black River Bay is a fall and spring magnet.
Steelhead run September through April with peaks at the late-October push and the March-April spring run. Fish the dam tailwater + Black River Bay; expect cfs in the thousands all winter. The optimal fishing flow on Black River (Watertown) is 2,000–5,500 CFS — flows above this range are typically too high and stained, flows below run low and clear. The river's long-term median flow is approximately 2,319 CFS, computed from the last several years of USGS gauge readings.
Current conditions (live, updated every 15 minutes): flow 1,080 CFS, clarity clear. Steelhead Addiction's Guide's Report rates the river FAIR as of this reading.
STORM WATCHING
Expected: 4:00 AM EDT
0.6" rain expected by 4 am. Gauges still calm.
Flow Rate
1,080
CFS
Gauge Height
2.61
ft
Water Temp
-
°F
Air Temp
81
°F
Clarity
Clear
Wind
🌬 10 mph
SW
Onshore — mouth mud likely
Last updated: 6 minutes ago (2:30 PM EDT)
Conditions today: Fair. Trending: holding steady. Storm watching.
Flow
Pressure
Air temp, scaled
Rain per hour
Storm pulse window
Hourly flow pending
Confidence: 0.32
Three days of nothing. 1,138 CFS held within 20%, water sat at 0°F, barometer barely moved. These are the days where the lake just shrugs at us. If the bite is on, no obvious reason. If it's off, also no obvious reason. Light rain on the way (0.35"). Storm lifecycle says WATCHING. 0.6" rain expected by 4 am. Gauges still calm. This is a pre-storm read; conditions can change fast once rain reaches the gauge.
Lookback window Jul 24, 2 pm to Jul 27, 2 pm ET.
Data refresh every 15 min. This is a pattern read, not proof of causation; fish reserve the right to embarrass the spreadsheet.
Flow
Pressure
Air temp, scaled
Rain per hour
Storm pulse window
Hourly flow pending
Three days of nothing. 1,153 CFS held within 39%, water sat at 0°F, barometer barely moved. These are the days where the lake just shrugs at us. If the bite is on, no obvious reason. If it's off, also no obvious reason. Light rain on the way (0.35"). Storm lifecycle says WATCHING. 0.6" rain expected by 4 am. Gauges still calm. This is a pre-storm read; conditions can change fast once rain reaches the gauge.
Lookback window Jul 20, 2 pm to Jul 27, 2 pm ET.
Data refresh every 15 min. This is a pattern read, not proof of causation; fish reserve the right to embarrass the spreadsheet.
Guide's Report
Based on current conditions as of Mon, Jul 27 at 2:30 PM EDT (6 minutes ago)
Report generated 2:36:59 PM EDT
Running 1,080 CFS, water is clear. Bring patience and low expectations — you might surprise yourself. Crystal clear — long leaders and small flies. Reading Water Better Than I Read People.
Black River (Watertown)
Today's Weather: Good
81° 23% rain
SW 8mph
Coming up: Partly Cloudy then Slight Chance Showers And...
Flow Rate
0
CFS
·
2.61
ft
7th percentile · Very Low
Summer mode - skinny but moving
24h trend
↘
-6.6%
Summer fishability window
1,098–1,578 CFS
Current-month middle flow band for warm-water fishing
72h movement
falling (-10.8%)
Distance
skinny but moving · 2.61ft
Low water — projection flat
Clear
· 81°F
· SW 10mph
29.77" ↘
Guide says:
Running 1,080 CFS, water is clear. Bring patience and low expectations — you might surprise yourself. Crystal clear — long leaders and small flies. Reading Water Better Than I Read People.
"GPS Says 2 Hours. Heart Says Worth It."
Flow is low — fish are stacked in the deepest pools and runs. Approach carefully, they spook easy.
Clear water — ideal for visual hunters like smallmouth. Long leaders, natural colors, and finesse presentations like drop-shots will produce.
How to Fish It
Fly/Lure Selection
Clear water demands finesse. 6-8lb fluoro, natural colored tubes (watermelon, green pumpkin), 3-inch drop-shot worms, or small swimbaits.
Where to Fish
Target boulder runs, bedrock pools, bridge pilings, and shaded banks where river smallies find cover.
Storm Context
STORM WATCHING
0.6" rain expected by 4 am. Gauges still calm.
Rain is forecast within the next 13.383933258056 hours. Gauges may look innocent right now, but expect movement around 4:00 AM EDT.
- - Fish before the rain window if you are going.
- - Bring rain gear and keep an eye on radar.
- - Re-check the gauge before committing to a longer drive.
What's Coming
Heavy rain is incoming — fish NOW. Current conditions are fishable but the river will blow out. This is your window.
Conditions
Bright skies — fish will hunker in deeper water and shaded lies. Focus on undercut banks, bridge shadows, and deeper runs.
Rigs to consider right now
Match the current report to a setup
Ned Rig
Catches fish that are willing to eat but not interested in chasing something loud.
Beginner
Neko Rig
Adds a different fall and bottom posture when Ned or wacky presentations are getting ignored.
Intermediate
Texas Rig
Gets a soft plastic through cover without turning every cast into salad.
Beginner
Drop Shot Rig
Keeps the bait in the strike zone without dragging it into every rock on the bottom.
Intermediate
Summer river plan
Black River summer fishing targets
Use the current flow, clarity, and sky conditions to choose the target. Summer fish usually reward shade, structure, and low-light timing.
Walleye
PeakWhere: lake mouths, harbor edges, deeper summer basin water, and low-light shoreline structure on Black River.
Move: crawler harnesses, crankbaits, jigs, and evening presentations near moving water.
Species guide →Panfish
PeakWhere: docks, weed edges, ponds, marina slips, brush, and shaded shoreline structure on Black River.
Move: small jigs, waxworms, micro poppers, and slip floats for kids or fast action.
Species guide →Northern Pike
Where: cooler weed edges, connected backwaters, tributary mouths, and ambush lanes on Black River.
Move: spinnerbaits, spoons, jerkbaits, and quick releases when water warms.
Species guide →Current read
Clarity is clear. Overall rating: Fair for smallmouth bass. Use the graph below to time falling or stabilizing flows before committing a trip.
Summer FAQ
What can I fish for on Black River in summer?
Focus on the warm-water species shown above, then use the live flow, clarity, and temperature read to choose shade, rock, current breaks, creek mouths, lakefront structure, and low-light windows.
Steelhead care
Should I target steelhead on Black River in summer?
Usually no. When water is warm, shift to smallmouth, walleye, panfish, pike, or another summer target instead of pressuring stressed trout.
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7-Day Flow & Temperature
Flow distribution
1095-day history · n=2,188 · 85% confidence
Now vs history
920 CFS below optimal
Optimal window
2,000–5,500 CFS
Per-river researched optimal range
Typical range
1,623–4,383 CFS
25th–75th percentile
Seasonal context:
Current flow is below typical for July.
July median on this river: 1,175 CFS
(n=632 hourly samples).
Clarity vs flow ranges
Steelhead Green
likely now
1,318–2,795 CFS typical
Stained
4,666–5,931 CFS typical
Low:
Below typical — fish may be hugging deeper runs.
Sample quantiles
|
Theoretical line
Good fit (82%)
Points on the dashed line mean the river's flow distribution is log-normal. Bows at the tails suggest multiple flow regimes (snowmelt vs rain events) or sensor artifacts. The math for this river uses log-space statistics, so a poor fit here is a reason to squint at the optimal zone.
Recent Angler Reports
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30-Day Statistics
Min Flow
658 CFS
Max Flow
3,550 CFS
Avg Flow
1,444 CFS
Min Temp
-
Max Temp
-
Avg Temp
-
7-Day Fishing Outlook
Multiple days of heavy rain ahead — expect significant flow increases and muddy water. Plan trips for windows between rain events or 1-2 days after.
Best day to fish: Today — Warm for steelhead season — focus on early morning when water is coolest.
Today is the day before rain moves in — barometric pressure drop often triggers aggressive feeding. Don't miss it.
Daily Fishing Forecast
Weather-based daily ratings — independent of current river flow. A "good" forecast day can still mean a blown-out river. Cross-reference with the Guide's Report above for a complete picture.
Today — Angler's Report
good fishing- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Today:
Mostly sunny, with a high near 81. Southwest wind around 8 mph.
Tonight:
A slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 66. South wind 1 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tuesday — Angler's Report
poor fishing- Heavy rain expected — river will likely blow out. Fish early before it rises or wait 24-48 hours after for the drop.
- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Tuesday:
A chance of showers and thunderstorms before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 78. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night:
Showers and thunderstorms. Cloudy, with a low around 63. East wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday — Angler's Report
poor fishing- Heavy rain expected — river will likely blow out. Fish early before it rises or wait 24-48 hours after for the drop.
- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Wednesday:
Showers and thunderstorms. Mostly cloudy, with a high near 75. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night:
Showers and thunderstorms. Mostly cloudy, with a low around 59. Northeast wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday — Angler's Report
good fishing- Light rain will bump flows slightly and give overcast skies — steelhead feed aggressively in these conditions.
- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Thursday:
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. North wind around 9 mph. Chance of precipitation is 30%.
Thursday Night:
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. North wind 1 to 8 mph. Chance of precipitation is 30%.
Friday — Angler's Report
fair fishing- Dry conditions — flows should remain stable. Good day to target tailouts and runs.
- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Friday:
Sunny, with a high near 80.
Friday Night:
Partly cloudy, with a low around 63.
Saturday — Angler's Report
good fishing- Light rain will bump flows slightly and give overcast skies — steelhead feed aggressively in these conditions.
- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Saturday:
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81.
Saturday Night:
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunday — Angler's Report
fair fishing- Moderate rain will push flows up. Water may get stained to muddy — switch to bright flies and heavier weight.
- Warm for steelhead season — focus on early morning when water is coolest.
NWS Forecast Detail
Sunday:
Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Sunday Night:
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Forecast via NWS, updated 32 minutes ago (2:04 PM EDT). Fishing ratings are estimates based on weather — always check current river conditions.
Recommended Gear
Clear water + low water — finesse tippet and natural patterns first.
RIO Products Fluoroflex Freshwater Tippet - 100% Fluorocarbon, Medium-Stiff Leader for Steelhead, Salmon, Trout, and Bass - Abrasion Resistant - 25 or 30 yd Spool, 0X-20lb Sizes
$13.99
RIO Products Fluoroflex Freshwater Tippet - 100% Fluorocarbon, Medium-Stiff Leader for Steelhead, Salmon, Trout, and Bass - Abrasion Resistant - 25 or 30 yd Spool, 0X-20lb Sizes
$13.99
Scientific Anglers Absolute Fluorocarbon Trout Tippet Assortment - 4X-6X
$49.95
Scientific Anglers Absolute Fluorocarbon Saltwater Tippet, 30M (16lb)
$16.85
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More on Black River (Watertown)
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