Freestone · Mixed · Alaska, US

Nushagak River

Nushagak River venue image

The Nushagak is one of the great salmon rivers of the planet — a vast, brown, lowland river running down to Bristol Bay that hosts king runs measured in the hundreds of thousands, and where the kings go, the rainbows and the Dolly Varden feed.

Good · Rainbow Trout
Flesh Fly · 2-6
Goodlive now
A proper day on the water
Low and clear — careful approach country. Stay small, stay accurate.
75% confidence
What moved it
  • LevelDry recentlyNo gauge reading
  • Water temp9.5°C
  • ClarityClear
Today's fly
Flesh Fly
Flesh Fly2-6
Swing, sub-surface
Conditions on the water
Estimate
Level
Dry recently
No gauge reading
Water temp9.5°C
ClarityClear
Weather10°C
WindW 10 km/h
Pressure1011 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

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

Water temperature for Rainbow Trout
Cool — slow
10°C est.ideal 1018°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
Good — water temperature is working for you, but time of day is the limiting factor today.
Hatch timeline · todayQuiet day

Hatch predictions

Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.

Start free trial

14-day free trial. Cancel anytime.

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 2 guilds with Pro.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

See what else is on the menu with Pro.

Start free trial

14-day free trial. Cancel anytime.

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
1
Brown DunHatch
2
3
3
3
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2

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

Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
  • Spring rainbow closure + unbaited single-hook artificial/fly rules typically apply; king-salmon rules are EMERGENCY-ORDER SENSITIVE — verify current dates, king restrictions, lake exceptions and EOs against ADF&G 2026 Bristol Bay regs
  • Remote fly-out/boat access; high bear density around salmon.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
Gallery · 1
  1. Terrain map of the venue
    Terrain map
About this water

The Nushagak is one of the great salmon rivers of the planet — a vast, brown, lowland river running down to Bristol Bay that hosts king runs measured in the hundreds of thousands, and where the kings go, the rainbows and the Dolly Varden feed. It's big, pushy, tea-stained water, fished mostly from boats out of lodges and tent camps, and it fishes in seasons: kings through the early summer (a run to respect, not a fly-rod trophy to chase casually), then the rainbows and char keying on smolt and, by autumn, on eggs and flesh. It is genuinely one of the few Bristol Bay rivers with a live USGS gauge, which helps read its moods, but the scale is the thing — this is a system you read at the river level, not the pool. Plan around the runs, mind the bears, and check the orders before you go.

  • Mixed
The full read · show the working · for Rainbow Trout · confidence 75%
How the 71 is built — score × weight = contribution
Temperature91 × 28%25.5
Flow60 × 22%13.2
Clarity85 × 18%15.3
Feeding Time40 × 13%5.2
Pressure75 × 7%5.3
Insect activity55 × 12%6.6
Conditions total= 71
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 8 June31 October
Related guides
Booking & contacts