Reservoir Tailwater And Tributary Cluster · Hudson Highlands Metamorphic · New York, US

Croton Watershed trout streams

Croton Watershed trout streams terrain map
Tomorrow · About as good as it gets
Isonychia Nymph
Forecast · Tomorrow
About as good as it gets
On the feed top to bottom — start on the rises with a dry, drop a nymph if they stay down.
75% projected
Today's fly
Isonychia Nymph
Isonychia Nymph
Conditions on the water · Tomorrow
Proxy gauge
Level
Falling
Proxy
via Farmington River — West Branch
Water temp15.8°C
ClarityClearing
Weather19°C
WindN 10 km/h
Pressure1025 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

No gauge on this water — conditions are inferred from Farmington River — West Branch. The trend transfers, the absolute level does not.

Water temperature for Brown Trout
Ideal
16°C est.ideal 10–16°C
0°14°28°
How to fish it · for Brown Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Excellent — water temperature is working for you, but time of day is the limiting factor today.
Likely species
Mayflies
Caddisflies
terrestrials
Hatch timeline · tomorrowPeak at 7am

12pm(now) — Reed Smut

Stage: On emergersApproach: Emerger or dryActivity: 79%
Also:Trico (Eastern)47%
Peak emergence windowWeather boost5 food groups active

Peak activity at 7am — Trico (Eastern) (Trico (Eastern), Weather boost)

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 3 with Pro.

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Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · September highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Brown DunHatch
2
3
3
3
3
3
3
2
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Brown Trout fly box
Permits & access
Permit required — see local rules.
  • New York licence required
  • Verify DEC stream category, PFR access and any NYC watershed rules before surfacing reach guidance.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
West Branch Croton River
9.0 km
80
Brown trout · Rainbow trout
East Branch Croton River
12 km
81
Brown trout · Rainbow trout
Fishkill Creek
26 km
Brown trout · Rainbow trout
Ramapo River — New York
44 km
81
Brown trout · Rainbow trout · Brook trout
Wappinger Creek
47 km
81
Brown trout · Rainbow trout · Brook trout
Water quality · US Clean Water Act
  • Aquatic life: Not assessed
What this classification means

EPA ATTAINS assessment unit 'East Branch Croton, Middle, and tribs' (NY1302-0055), 2022 Integrated Report. Aquatic Life use: Insufficient Information. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · NY1302-0055

The full read · show the working · for Brown Trout · confidence 75%
How the 81 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time40 × 13%5.2
Pressure80 × 7%5.6
Insect activity66 × 12%7.9
Conditions total= 81
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowproxy via Farmington River — West Branchproxy
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 April → 15 October
Related guides
Euro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts