Sandy Creek (Hamlin)

Good
Confidence: 60%
Sources: recent regression

About Sandy Creek (Hamlin)

Sandy Creek at Hamlin drains 86 square miles of Monroe County into Lake Ontario at Hamlin Beach State Park, a smaller-water destination just west of the Genesee. The creek runs through farm country with public access at the Hamlin Beach State Park mouth and the upstream road crossings. Fishes well in spring runs when the larger Genesee is high.

October through April. Spring run peaks March-April. Hamlin Beach State Park mouth is the iconic access. The optimal fishing flow on Sandy Creek (Hamlin) is 100–230 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 70 CFS, computed from the last several years of USGS gauge readings.

Current conditions (live, updated every 15 minutes): flow 96 CFS, water 70.9°F, clarity clear. Steelhead Addiction's Guide's Report rates the river GOOD as of this reading.

Flow Rate
96
CFS
Gauge Height
17.05
ft
Water Temp
70.9
°F
Air Temp
70.3
°F
Clarity
Clear
Wind
🌬 Calm
≤5 mph

Last updated: 14 minutes ago (3:30 PM EDT)

Conditions today: Good. Trending: improving.

Flow Pressure Air temp, scaled Rain per hour Storm pulse window Hourly flow pending Confidence: 0.6

Three days of nothing. 93 CFS held within 23%, water sat at 70°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. Quiet sky on the way. Conditions should hold.

Lookback window Sep 8, 3 pm to Sep 11, 3 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. 123 CFS held within 173%, water sat at 70°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. Quiet sky on the way. Conditions should hold.

Lookback window Sep 4, 3 pm to Sep 11, 3 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

good smallmouth bass fishing

Based on current conditions as of Fri, Sep 11 at 3:30 PM EDT (14 minutes ago)

Running 96 CFS, water is clear, 71°F — prime summer feeding temp. Worth the gas money. Pick your water carefully. Crystal clear — long leaders and small flies. Come for the Conditions. Stay for the Skunking..

Steelhead green DAWN DUSK 62° 56° 53° 56° 77° 1% Sunset 7:29pm Solar Noon 1:08pm Dusk 7:58pm Sunrise 6:48am Solar Noon 1:07pm Dawn 6:19am 96 CFS Summer skinny but moving 🌑 0% New Moon N E S W 1 N mph 30.03" inHg stable 70.9°F Water Temp Now 3:40pm
Sandy Creek (Hamlin)
Today's Weather: Fair 71° NW 5mph
Coming up: Mostly Clear
Flow Rate
0 CFS · 17.05 ft
67th percentile · Typical
Summer mode - skinny but moving
24h trend
-8.3%
N E S W 1 N mph wind 72h ago now High 93 Normal 70 Low 62 Flood 204 OPT 6h 24h 72h 17.05ft
Summer fishability window 98–199 CFS
Current-month middle flow band for warm-water fishing
72h movement slight rise (+5.9%)
Distance skinny but moving · 17.05ft
Low water — projection flat
Confidence: 60%
Sources: recent regression
Clear · 70°F · N 1mph
30.03"
Guide says: Running 96 CFS, water is clear, 71°F — prime summer feeding temp. Worth the gas money. Pick your water carefully. Crystal clear — long leaders and small flies. Come for the Conditions. Stay for the Skunking..
"Fly Box Bigger Than Your Tax Refund"

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.

Water at 71°F — prime summer pattern. Smallmouth Bass are highly active and aggressive across all techniques.

How to Fish It

Technique

Topwater time. Early morning and late evening topwater action can be explosive. Whopper Ploppers, Spook Jrs, or frog patterns over rocky flats and shorelines.

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.

Timing

Dawn and dusk windows are prime. Get out early before the sun is high, or fish the last 90 minutes of light.

What's Coming

Light rain forecast will freshen the river and push new fish in from the lake. Low water should bump into the ideal range.

Water temps are cooling down — look for the bite to improve as temperatures ease back toward the sweet spot.

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

All rig guides

Fall river plan

Sandy Creek summer fishing targets

Water temperature is in the active warmwater range. Expect bass and panfish to feed around current breaks, rock, and shade.

Smallmouth Bass

Where: boulder runs, bridge shade, pool tails, creek-mouth rock, and lower-river current breaks on Sandy Creek.

Move: tubes, Ned rigs, small jerkbaits, poppers, and crayfish-colored streamers.

Species guide →

Walleye

Where: lake mouths, harbor edges, deeper summer basin water, and low-light shoreline structure on Sandy Creek.

Move: crawler harnesses, crankbaits, jigs, and evening presentations near moving water.

Species guide →

Panfish

Where: docks, weed edges, ponds, marina slips, brush, and shaded shoreline structure on Sandy Creek.

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 Sandy Creek.

Move: spinnerbaits, spoons, jerkbaits, and quick releases when water warms.

Species guide →

Current read

Water temp 70.9°F. Clarity is clear. Overall rating: Good 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 Sandy Creek 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 Sandy Creek in summer?

Usually no. When water is warm, shift to smallmouth, walleye, panfish, pike, or another summer target instead of pressuring stressed trout.

7-Day Flow & Temperature

Flow distribution

1095-day history · n=2,059 · 84% confidence

67th percentile · Sweet spot
6h 24h 72h 96 CFS 62 p25 70 p50 93 p75 OPTIMAL freq
Now vs history
4 CFS below optimal
Optimal window
100–230 CFS
Per-river researched optimal range
Typical range
62–93 CFS
25th–75th percentile
Seasonal context: Current flow is below typical for September. September median on this river: 125 CFS (n=247 hourly samples).
Clarity vs flow ranges
Steelhead Green likely now
62–91 CFS typical
Stained
236–262 CFS typical
Muddy
511–594 CFS typical
Sweet spot: Historically the productive zone.
-2 -1 0 1 2 4367105165257 Theoretical z (standard normal) Sample flow (CFS)
Sample quantiles | Theoretical line Fair fit — tails diverge (73%)

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.

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30-Day Statistics

Min Flow
60 CFS
Max Flow
705 CFS
Avg Flow
123 CFS
Min Temp
64.8°F
Max Temp
78.6°F
Avg Temp
70.7°F

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: Saturday — Warm for steelhead season — focus on early morning when water is coolest.

Monday 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

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

This Afternoon: Sunny, with a high near 71. Northwest wind 5 to 8 mph.
Tonight: Mostly clear, with a low around 52. East wind 1 to 5 mph.

Saturday — Angler's Report

good fishing
  • Warm for steelhead season — focus on early morning when water is coolest.

NWS Forecast Detail

Saturday: A slight chance of rain showers between 2pm and 5pm. Mostly sunny, with a high near 81. South wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night: Mostly cloudy, with a low around 66. South wind around 8 mph. New rainfall amounts less than a tenth of an inch possible.

Sunday — Angler's Report

good fishing
  • Warm for steelhead season — focus on early morning when water is coolest.

NWS Forecast Detail

Sunday: Mostly sunny, with a high near 77. West wind 8 to 13 mph.
Sunday Night: A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 55. Northwest wind 8 to 12 mph. Chance of precipitation is 20%.

Monday — Angler's Report

good fishing
  • Warm for steelhead season — focus on early morning when water is coolest.

NWS Forecast Detail

Monday: A slight chance of rain showers before 8am. Mostly sunny, with a high near 69. North wind 6 to 9 mph.
Monday Night: Partly cloudy, with a low around 55. Southeast wind 5 to 9 mph.

Tuesday — 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

Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Wednesday — 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

Wednesday: A chance of rain showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

Thursday — 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

Thursday: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Forecast via NWS, updated 1 hour ago (2:01 PM EDT). Fishing ratings are estimates based on weather — always check current river conditions.

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