Tailwater · Mixed · Maine, US

Kennebec River — East Outlet

Kennebec River — East Outlet terrain map
Today · Closed season
Czech Nymph
Forecast · Today
Closed season
Out of season. Try elsewhere.
90% projected
Today's fly
Czech Nymph
Czech Nymph
Conditions on the water · Today
Estimate
Level
Light rain recently
No gauge reading
Water temp13.5°C
ClarityClearing
Weather4°C
WindN 23 km/h
Pressure1013 hPa
Rain · recent9.9 mm
Rain · ahead0.0 mm

No gauge on this water — readings are regional estimates from weather, not a live gauge.

Water temperature for Brook Trout
Ideal
14°C est.ideal 10–16°C
0°14°28°

A dam sets this river's temperature, not the weather, so it can shift several degrees within hours when the release changes. It also warms as it runs away from the dam.

How to fish it · for Brook 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.
Likely species
Mayflies
Chironomids
Damselflies & dragonflies
Gammarids
Hatch timeline · todayPeak at 12h

12h(now) — Eastern Blue-Winged Olive

Stage: On emergersApproach: Emerger or dryActivity: 54%
Peak emergence window5 food groups active

Peak activity at 12h — Eastern Blue-Winged Olive (Eastern Blue-Winged Olive, Peak emergence window)

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

Top prey shown — see all 3 as a supporter.

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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
1
SulphurHatch
2
3
2
Trico (Eastern)Hatch
2
3
3
2
Eastern Blue-Winged OliveHatch
2
3
3
3
3
3
3
3
2
Eastern Summer BWO (Drunella)Hatch
2
3
3
2

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

Ranked for today
Fly box · Brook Trout
Local fly shops: New England Fly Co.
Permits & access
Permit required — see local rules.
  • FLY-FISHING-ONLY Moosehead to the Indian Pond red markers; one-fish total daily bag; 14" minimum on brook trout and landlocked salmon — verify exact wording/boundaries against Maine DIFW
  • DAM-RELEASE SAFETY: flow set by the Moosehead/East Outlet release — check Brookfield SafeWaters before wading.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
West Branch Penobscot River
52 km
0
Brook trout
Water quality · US Clean Water Act
  • Aquatic life: Supporting
What this classification means

EPA ATTAINS assessment unit 'Kennebec R' (ME0103000312_336R), 2024 Integrated Report. Aquatic Life use: Fully Supporting. 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) · ME0103000312_336R

The full read · show the working · for Brook Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow80 × 22%17.6
Clarity95 × 18%17.1
Feeding Time80 × 13%10.4
Pressure75 × 7%5.3
Insect activity69 × 12%8.3
Conditions total= 87
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 April → 30 September
Related guides
Euro Nymphingsubsurface methods
Booking & contacts