A big, powerful river dropping into Lake Ontario at Oswego, where salmon and steelhead stack below the downtown dam. Heavy water that fishes well for those who can get a fly down, with a strong fall salmon run and steelhead behind it.
- Mixed
Water temperature for Steelhead
Ideal10°C est.ideal 4–13°C
0°14°28°
How to fish it · for Steelhead
When
Salmon Sep–Oct; steelhead Oct–Apr
Where
A big, powerful river dropping into Lake Ontario at Oswego, where salmon and steelhead stack below the downtown dam.
Why this works
Poor — water temperature is working for you, but water clarity is the limiting factor today.
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.
Start free trial14-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 trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
See what else is on the menu with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
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
Steelhead fly box
Permits & access
Permit required — see local rules.
- New York licence; verify NY DEC rules and the downtown-dam access
- Introduced, harvestable sport fishery.
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
About this water
Water quality · US Clean Water Act
- Aquatic life: Supporting
What this classification means
EPA ATTAINS assessment unit 'Oswego River, Lower, Main Stem' (NY0701-0022), 2022 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) · NY0701-0022
Why this score · for Steelhead
- Temperature10028% weight
- Flow5522% weight
- Clarity1518% weight
- Feeding Time4513% weight
- Pressure757% weight
- Insect activity4812% weight
Directions
Related guides
Booking & contacts
Oswego River
A big, powerful river dropping into Lake Ontario at Oswego, where salmon and steelhead stack below the downtown dam.
Water temperature for Steelhead
Ideal10°C est.ideal 4–13°C
0°14°28°
How to fish it · for Steelhead
When
Salmon Sep–Oct; steelhead Oct–Apr
Where
A big, powerful river dropping into Lake Ontario at Oswego, where salmon and steelhead stack below the downtown dam.
Why this works
Poor — water temperature is working for you, but water clarity is the limiting factor today.
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.
Start free trial14-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 trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
See what else is on the menu with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
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
Steelhead fly box
Permits & access
Permit required — see local rules.
- New York licence; verify NY DEC rules and the downtown-dam access
- Introduced, harvestable sport fishery.
What's coming
Plan ahead
5-day outlook
Other water nearby · 3
About this water
A big, powerful river dropping into Lake Ontario at Oswego, where salmon and steelhead stack below the downtown dam. Heavy water that fishes well for those who can get a fly down, with a strong fall salmon run and steelhead behind it.
- Mixed
Water quality · US Clean Water Act
- Aquatic life: Supporting
What this classification means
EPA ATTAINS assessment unit 'Oswego River, Lower, Main Stem' (NY0701-0022), 2022 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) · NY0701-0022
Why this score · for Steelhead
- Temperature10028% weight
- Flow5522% weight
- Clarity1518% weight
- Feeding Time4513% weight
- Pressure757% weight
- Insect activity4812% weight
Directions
Related guides
Booking & contacts