Updated October 15, 2026
    Access point

    Green Spring / Lower South Branchon South Branch Potomac River

    Lower warmwater reaches known for strong smallmouth bass and float fishing.
    Bite report · week of Oct 4

    What's working on South Branch Potomac River

    1. 01Fall BWO hatches are expected to be the primary dry fly opportunity for trout.
    2. 02October Caddis are also emerging, offering chances for larger dry fly takes.
    3. 03Subsurface presentations with nymphs and streamers will be consistently productive for both trout and bass.
    4. 04Smallmouth bass will be keying into larger prey like crayfish and hellgrammites as water temperatures drop.
    5. 05Egg patterns are becoming increasingly relevant for trout as the fall spawning season progresses.

    What to tie on at Green Spring / Lower South Branch

    Picked from recent reports for this stretch.

    dry80%

    Sulphur Comparadun

    #16#18#20

    Sulphurs (Ephemerella rotunda & Dorothea) are peaking in afternoons and evenings this time of year, making this a prime dry fly choice for trout.

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    March Brown

    #10#12#14

    March Browns (Stenonema vicarium) are making splashy appearances in early afternoons, triggering aggressive rises from trout.

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    Mother's Day Caddis

    #14#16#18

    The prolific Mother's Day Caddis hatch is expected in late April through May, perfectly imitating the Green Caddis adults active this week.

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    Tactical Peeping Caddis TH Jig

    #14#16#18

    Caddis are actively emerging in spring, and this weighted nymph is excellent for targeting larger trout feeding on subsurface pupae near undercut banks.

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    Flashback Pheasant Tail Nymph

    #14#16#18

    A versatile mayfly nymph imitation, effective year-round and particularly good for targeting active nymphs as Blue-Winged Olives begin to emerge in early spring.

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    Woolly Bugger (Olive)

    #4#6#8

    A reliable year-round streamer, effective for imitating leeches and baitfish. It's a go-to for enticing aggressive strikes from both trout in colder flows and smallmouth bass as waters warm.

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    Clouser Minnow (Bass)

    #1/0#2#4

    Excellent for smallmouth bass in clear, warming water, effectively imitating the baitfish they are actively feeding on.

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    Gurgler (Bass)

    #2#4#6

    As spring progresses and water temperatures warm, topwater action for bass increases. This popper creates enticing disturbance, drawing explosive strikes.

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    Blue-Winged Olive (BWO) Comparadun

    #18#20#22#24

    Fall is prime BWO season, and this low-profile dry fly is excellent for selective trout feeding on emergers and adults on the South Branch Potomac River.

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    West Virginia season by season

    What changes on the water through the year, with the flies for each season.

    Fly shops nearby

    Local flies, current advice and guided trips.

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