What flies are hatching on the South Branch Potomac River right now?

Current and seasonal hatches on the South Branch Potomac River include Hendrickson, Sulphur, Green Drake. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the South Branch Potomac River?

The South Branch Potomac River is running at 101 CFS at the Near Springfield gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the South Branch Potomac River fishable today?

Yes — South Branch Potomac River is rated fishable right now. Current flow is 101 CFS at the Near Springfield gauge.

South Branch Potomac River Fly Fishing Conditions

Live Conditions

South Branch Potomac River — Near Springfield

Fishable

101CFS

Discharge

3.75ft

Gauge Height

—

Water Temp

Updated 56 min agoView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

28.77 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

75°FClear sky

Wind 4 mph28.77 inHg Low & stable

Tough conditions — fish deep

Today

🌦️

Drizzle

88° / 70°

Tomorrow

🌦️

Drizzle

81° / 69°

0.01"

Sat

☁️

Overcast

82° / 66°

Sun

🌦️

Drizzle

77° / 59°

0.03"

Cold front incoming — go deep with nymphs, surface activity likely slow.

Weather by Open-Meteo · No API key · Updated every 30 min

What should I fish today?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

9

Time of Day

Using: 101 CFS · Hoppers continuing. BWOs

What should I pack?

Rod, flies, tippet, and safety gear specific to today's South Branch Potomac River conditions.

🪰 Hatch Calendar

South Branch Potomac River · September · Early Fall

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

Hoppers continuing. BWOs (size 18-20) returning. Smallmouth fishing prime as water cools — best fall month for both species.

Blue-Winged Olive

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About South Branch Potomac River

The South Branch of the Potomac in Hardy and Grant Counties is a West Virginia treasure — long riffles and deep pools hold wild smallmouth and stocked trout. The Smoke Hole Canyon section is particularly spectacular, with dramatic limestone cliffs and exceptional dry fly water.

HendricksonSulphurGreen DrakeLight CahillYellow SallyCaddisBlue-Winged OliveMidge

Regulations

Standard WV trout regulations. Some sections run through private land — respect posted boundaries. Smallmouth bass regulations apply in designated sections.

Learn More

Guides to help you fish South Branch Potomac River with more confidence.