Rules at a glance
- Fly only
Water temperature for Brook Trout
Cool — slow9°C est.ideal 10–16°C
0°14°28°
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
Mayflies
Chironomids
Gammarids
Hatch timeline · todayPeak at 21h
12h(now) — Eastern Blue-Winged Olive
Stage: On emergersApproach: Emerger or dryActivity: 61%
Also:Black Midge45%
Peak emergence window5 food groups active
Peak activity at 21h — Brown Dun (Brown Dun, 4 food groups active)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 4 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Supporters see what else is on the menu.
Start free trial14-day free trial. Cancel anytime.
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
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 · Brook Trout
Local fly shops: New England Fly Co.
Permits & access
Permit required — see local rules.
- Region OVERVIEW — special-law / fly-only / artificial-only reaches apply; verify each named water against the Maine 2026 law book
- CONSERVATION: native big brook trout — careful handling, no trophy framing, strong summer thermal restraint.
What's coming
Plan ahead
5-day outlook
Fishing better nearby · 3
The full read · show the working · for Brook Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature93 × 28%26.0
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure75 × 7%5.3
Insect activity67 × 12%8.0
Conditions total= 77
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 April → 30 September
Related guides
Booking & contacts
Rapid River / Rangeley region
Water temperature for Brook Trout
Cool — slow9°C est.ideal 10–16°C
0°14°28°
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
Hatch timeline · todayPeak at 21h
12h(now) — Eastern Blue-Winged Olive
Stage: On emergersApproach: Emerger or dryActivity: 61%
Also:Black Midge45%
Peak emergence window5 food groups active
Peak activity at 21h — Brown Dun (Brown Dun, 4 food groups active)
Sub-surface · on the nymphunder the surface
Hatch predictions
Top nymph shown — see all 4 guilds as a supporter.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey(1)
Hatch predictions
Supporters see what else is on the menu.
Start free trial14-day free trial. Cancel anytime.
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
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 · Brook Trout
Local fly shops: New England Fly Co.
Permits & access
Permit required — see local rules.
- Region OVERVIEW — special-law / fly-only / artificial-only reaches apply; verify each named water against the Maine 2026 law book
- CONSERVATION: native big brook trout — careful handling, no trophy framing, strong summer thermal restraint.
What's coming
Plan ahead
5-day outlook
Fishing better nearby · 3
The full read · show the working · for Brook Trout · confidence 90%
How the 0 is built — score × weight = contribution
Temperature93 × 28%26.0
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time55 × 13%7.2
Pressure75 × 7%5.3
Insect activity67 × 12%8.0
Conditions total= 77
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- Trout 1 April → 30 September
Related guides
Booking & contacts