- Free fishing
- Green drakeMost likely#8–10 · SpinnerSpinners on the water now — the big fish move for these.
- Blue-winged oliveAlso possible#16–18 · DunDuns are up; a sherry spinner fall may follow.
- Iron blue mayflyAlso possible#16–18 · DunCold, grey day — the dun sits long. Good dry-fly water.
- Large dark oliveAlso possible#14–16 · EmergerDead-drift the emerger — it's sitting in the film.
- Satin sedgeMost likely#12–14 · Egg-layingSkitter it at dusk — this one's fished, not dead-drifted.
- GrannomAlso possible#14–16 · PupaPupa first, then dries as the adults come off.
Hatch predictions
Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.
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Hatch predictions
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Hatch predictions
Top prey shown — see all 2 with Pro.
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Modelled from regional ecology — no survey or occurrence data for this water yet.
Updated 10 hours ago
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
- Fishway and sanctuary rules; FMZ 17 seasons
- Verify current OFRS.

2007.05.30 02 Ganaraska River Port Hope Ontario Terrain map
Naturalised lake-run steelhead and chinook (retention provincially regulated). The fishway and sanctuary reaches concentrate and protect spawners — observe the rules. Clean-Drain-Dry.
Why this score · for Steelhead
- Temperature728% weight
- Flow6022% weight
- Clarity9518% weight
- Feeding Time6513% weight
- Pressure757% weight
- Insect activity6212% weight
- Trout 1 January → 31 December
Ganaraska River

- Green drakeMost likely#8–10 · SpinnerSpinners on the water now — the big fish move for these.
- Blue-winged oliveAlso possible#16–18 · DunDuns are up; a sherry spinner fall may follow.
- Iron blue mayflyAlso possible#16–18 · DunCold, grey day — the dun sits long. Good dry-fly water.
- Large dark oliveAlso possible#14–16 · EmergerDead-drift the emerger — it's sitting in the film.
- Satin sedgeMost likely#12–14 · Egg-layingSkitter it at dusk — this one's fished, not dead-drifted.
- GrannomAlso possible#14–16 · PupaPupa first, then dries as the adults come off.
Hatch predictions
Today's headline hatch shown — see all 6 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Hatch predictions
See the full sub-surface read with Pro.
Start free trial14-day free trial. Cancel anytime.
Hatch predictions
Top prey shown — see all 2 with Pro.
Start free trial14-day free trial. Cancel anytime.
Modelled from regional ecology — no survey or occurrence data for this water yet.
Updated 10 hours ago
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
- Fishway and sanctuary rules; FMZ 17 seasons
- Verify current OFRS.

2007.05.30 02 Ganaraska River Port Hope Ontario Terrain map
Naturalised lake-run steelhead and chinook (retention provincially regulated). The fishway and sanctuary reaches concentrate and protect spawners — observe the rules. Clean-Drain-Dry.
Why this score · for Steelhead
- Temperature728% weight
- Flow6022% weight
- Clarity9518% weight
- Feeding Time6513% weight
- Pressure757% weight
- Insect activity6212% weight
- Trout 1 January → 31 December