Freestone · Acidic Metamorphic · North Carolina, US

Raven Fork (headwaters)

Raven Fork (headwaters) terrain map
Today · Not the day for it
Isonychia Nymph
Forecast · Today
Not the day for it
Not much stacked in your favour today. Worth an hour if you are nearby, not worth the special trip.
80% projected
Today's fly
Isonychia Nymph
Isonychia Nymph
Conditions on the water · Today
Estimate
Level
Dry recently
No gauge reading
Water temp17.0°C
ClarityUnfishable
Weather25°C
WindN 3 km/h
Pressure1023 hPa
Rain · recent0.2 mm
Rain · ahead1.9 mm

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

Water temperature for Brook Trout
Warm — slow
17°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.
Why this works
Good — water temperature is right today, though insect activity could be better.
Likely species
terrestrials
Hatch timeline · todayPeak at 6pm

12pm(now) — Flying Ants

Stage: Terrestrials on topApproach: Dry flyActivity: 33%
Also:Reed Smut29%
Peak emergence windowWeather boost3 food groups active

Peak activity at 6pm — Slate Drake / Isonychia (Slate Drake / Isonychia, 5 food groups active)

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Top prey shown — see all 2 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
Sculpin (North America)Hatch
2
3
2
Brown DunHatch
2
3
3
3
3
3
3
2
Early Black StoneflyHatch
2
3
2
Eastern Golden StoneHatch
2
2

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

Ranked for today
Brook Trout fly box
Local fly shops: Davidson River Outfitters
What's coming
Plan ahead
5-day outlook
Other water nearby · 4
Tuckasegee River
31 km
Rainbow trout · Brown trout · Brook trout
Lynn Camp Prong
36 km
Brook trout
Nantahala River
48 km
Rainbow trout · Brown trout
Davidson River
55 km
Rainbow trout · Brown trout · Brook trout
Conservation note

Native SABT headwater. brook_trout scores as a conservation-first char comfort-overlay post-seed (char welfare ceiling ~20°C).

The full read · show the working · for Brook Trout · confidence 75%
How the 78 is built — score × weight = contribution
Temperature100 × 28%28.0
Flow60 × 22%13.2
Clarity95 × 18%17.1
Feeding Time65 × 13%8.5
Pressure75 × 7%5.3
Insect activity50 × 12%6.0
Conditions total= 78
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.
Related guides
Euro Nymphingsubsurface methods
Booking & contacts