Freestone · Mixed Metamorphic · Connecticut, US

Housatonic River

Rushing whitewater rapids over boulders on the Housatonic River, framed by autumn foliage near Bull's Bridge, Connecticut.
Prime · Rainbow Trout
Blue Winged Olive · 18-22
Primelive now
About as good as it gets
River dropping into shape after a lift. The kind of afternoon you remember — a weighted nymph through the clearing seams, the dry as it settles.
90% confidence
What moved it
  • Level0.77 mDropping after lift
  • Water temp11.8°C
  • ClarityClearingClearing
Today's fly
Blue Winged Olive
Blue Winged Olive18-22
Proven pattern for this period
Conditions on the water
Live gauge
Level
Steady
0.77 m
Dropping after lift
Water temp11.8°C
ClarityClearing
Weather7°C
WindNW 22 km/h
Pressure1022 hPa
Rain · recent26.7 mm
Rain · ahead0.0 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Rainbow Trout
Ideal
12°C est.ideal 10–18°C
0°14°28°
How to fish it · for Rainbow 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 — conditions well-balanced, with water temperature particularly in your favour.
Likely species
Mayflies
Chironomids
Gammarids
Hatch timeline · todayPeak at 21h

Hatch predictions

Today's headline hatch shown — see all 6 active hatches hour by hour as a supporter.

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Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

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Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

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Evidence
Records-basedModerate confidence

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

Through the year
0–3 scale · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
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
Fly box · Rainbow Trout
Local fly shops: UpCountry Sportfishing
Permits & access
Permit required — see local rules.
  • Connecticut licence required
  • Trout Management Area with a fly-fishing-only catch-and-release sub-reach and seasonal thermal protections — verify current CT DEEP regulations and any summer closures before you fish.
What's coming
Plan ahead
5-day outlook
Other water nearby · 5
Farmington River — West Branch
31 km
79
Brown trout · Rainbow trout
Wappinger Creek
40 km
Brown trout · Rainbow trout · Brook trout
Farmington River — Lower (Tariffville)
50 km
Brown trout · Rainbow trout
East Branch Croton River
56 km
0
Brown trout · Rainbow trout
West Branch Croton River
57 km
0
Brown trout · Rainbow trout
Gallery · 2
  1. Rushing whitewater rapids over boulders on the Housatonic River, framed by autumn foliage near Bull's Bridge, Connecticut.
    Housatonic River
  2. Terrain map of the venue
    Terrain map
Water quality · US Clean Water Act
  • Aquatic life: Supporting
  • Fish consumption: Impaired
  • Recreation: Impaired
What this classification means

Fish consumption: Consumption advisory (Polychlorinated Biphenyls PCBs) — fish for sport, not the table.

Recreation: Bacteria/pathogen advisory — mind wading cuts and immersion.

EPA ATTAINS assessment unit 'Housatonic River-06' (CT6000-00_06), 2022 Integrated Report. Aquatic Life use: Fully Supporting. Listed impairment causes: Pathogens, Polychlorinated Biphenyls PCBs. 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) · CT6000-00_06

The full read · show the working · for Rainbow Trout · confidence 90%
How the 85 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time80 × 13%10.4
Pressure75 × 7%5.3
Insect activity70 × 12%8.4
Conditions total= 85
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts