When to fish Sidney
Each row is shaded against that species' own best month here, so a dark cell means a good month for that fish rather than a comparison between them.
Relative abundance by month for each species around Sidney| Species | JJanuary | FFebruary | MMarch | AApril | MMay | JJune | JJuly | AAugust | SSeptember | OOctober | NNovember | DDecember |
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| Chinook Salmon | | | | | | | | | | | | |
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| Coho Salmon | | | | | | | | | | | | |
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| Lingcod | | | | | | | | | | | | |
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| Halibut | | | | | | | | | | | | |
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| Rockfish (Aggregate) | | | | | | | | | | | | |
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| Dungeness Crab | | | | | | | | | | | | |
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| Spot Prawn | | | | | | | | | | | | |
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| Surfperch | | | | | | | | | | | | |
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| Flounder / Sole (Flatfish) | | | | | | | | | | | | |
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| Herring | | | | | | | | | | | | |
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| Shrimp including prawn | | | | | | | | | | | | |
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Chinook Salmon: January poor, February fair, March good, April good, May good, June excellent, July excellent, August excellent, September fair, October poor, November poor, December poor. Coho Salmon: January none, February poor, March fair, April fair, May good, June peak, July peak, August peak, September excellent, October poor, November none, December none. Lingcod: January good, February good, March good, April fair, May fair, June fair, July fair, August fair, September fair, October fair, November good, December good. Halibut: January none, February poor, March good, April peak, May peak, June peak, July peak, August excellent, September fair, October none, November none, December none. Rockfish (Aggregate): January good, February good, March good, April good, May good, June good, July good, August good, September good, October good, November good, December good. Dungeness Crab: January fair, February fair, March fair, April good, May good, June fair, July good, August excellent, September excellent, October good, November fair, December fair. Spot Prawn: January good, February good, March good, April good, May fair, June good, July good, August fair, September fair, October fair, November fair, December good. Surfperch: January poor, February fair, March fair, April fair, May excellent, June excellent, July excellent, August excellent, September good, October fair, November fair, December poor. Flounder / Sole (Flatfish): January fair, February fair, March good, April excellent, May good, June good, July good, August good, September fair, October fair, November fair, December fair. Herring: January peak, February peak, March peak, April poor, May none, June none, July none, August poor, September poor, October fair, November good, December excellent. Shrimp including prawn: January fair, February fair, March good, April excellent, May excellent, June good, July fair, August poor, September poor, October fair, November fair, December fair.
- Chinook Salmon. Sidney waters (southern Gulf Islands/Haro Strait) hold resident 'winter' blackmouth Chinook from late fall through spring with a modest plateau, then build through summer as Fraser and US-bound migratory stocks transit Juan de Fuca and the islands, peaking late July–early August. A secondary shoulder in September–October reflects late Fraser/Cowichan-bound fish staging near the Saanich Peninsula before river entry.
- Coho Salmon. Sidney sits on Coho migration routes through Haro Strait and the southern Gulf Islands; a modest spring bump reflects resident 'bluebacks' feeding through Juan de Fuca, building strongly from June into the July–September peak as ocean and resident Coho stage for Fraser and east-coast Vancouver Island returns. Abundance falls sharply through October as fish push into rivers, with low winter presence from juveniles and stragglers.
- Lingcod. Lingcod are resident year-round in Sidney's waters (Haro Strait, Sidney Channel, southern Gulf Islands), so baseline abundance stays near 1.0. Peak biological presence occurs late May through July when post-spawn adults aggressively feed on herring and juvenile rockfish on shallow reefs, with a mild spring dip (Feb–Mar) when males are guarding nests in deeper structure and females have moved offshore.
- Halibut. Pacific halibut migrate from deep offshore winter spawning grounds into inshore Strait of Juan de Fuca/Haro Strait feeding areas roughly March through October, with a strong spring arrival peak (late April–May) and a secondary late-summer feeding peak (August). Numbers thin sharply after October as fish move back to deep shelf-edge waters, leaving low but nonzero presence through winter from resident or stragglers.
- Rockfish (Aggregate). Rockfish are highly resident, non-migratory demersal fish that hold on the same rocky reefs and structure around Sidney year-round, so biological abundance stays essentially flat near baseline all 52 weeks. Minor seasonal shifts in feeding depth or activity don't change actual stock presence in these waters.
- Dungeness Crab. Dungeness crab are resident in Sidney's waters year-round, so biomass never drops to zero, but abundance of hard-shell, harvest-ready crab peaks in late summer through fall (Aug–Oct) after the spring/summer molt hardens shells and crabs pack on weight. A secondary early-summer bump follows the spring molt recovery, while late winter/early spring shows the lowest catchable biomass as many crabs are soft and mating.
- Spot Prawn. Spot prawns are resident year-round in the deep waters off Sidney, so abundance never drops to zero, but adult biomass peaks in early-to-mid summer (late June–July) before the traditional May fishery pulse recruits and berried females release larvae. The dip in late summer/fall reflects post-spawn mortality and reduced legal-size adults following larval release, with the population gradually rebuilding through winter as juveniles mature.
- Surfperch. Sidney-area surfperch (mainly pile and shiner perch) are present year-round in the eelgrass and pilings of the Saanich Peninsula, but abundance peaks in late spring through summer (May–Sept) when adults gather in shallow nearshore waters to give live birth. Winter shows a mild dip as fish move slightly deeper and disperse in colder water.
- Flounder / Sole (Flatfish). Flatfish are resident year-round in Sidney's protected waters around Sidney Spit and the Gulf Islands sandflats, so abundance never hits zero. Numbers build through spring as fish move onto warmer shallow flats to feed and spawn, peaking in mid-to-late spring (April–May) before a gradual summer-to-winter decline as some fish shift to deeper, cooler water.
- Herring. Pacific Herring around Sidney and the Strait of Georgia peak sharply in late winter/early spring (Feb–Mar) during the major spawning migration into nearshore eelgrass and kelp shorelines, when dense schools flood the shallows. Outside spawn, adults disperse offshore to deeper feeding grounds, leaving reduced but non-zero coastal presence through summer and fall.
- Shrimp including prawn. In Sidney (Australia), school and king prawns peak through the warm summer months (Dec–Mar), driven by warm water temperatures and post-rain estuary flushing that triggers prawn runs out of estuaries like the Hawkesbury and Georges River. Abundance dips in the cooler winter months (Jun–Aug) as growth slows and adults have largely emigrated offshore, with a secondary rise building through spring as new recruits mature.