What flies are hatching on the Sauk River right now?

Current and seasonal hatches on the Sauk River include Caddis, Pale Morning Dun. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Sauk River?

The Sauk River is running at 339 CFS at the Sauk near Sauk gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Sauk River fishable today?

Sauk River is outside its fishable window right now. Flow is 339 CFS at the Sauk near Sauk gauge. Check back when conditions return to the normal range.

Sauk River Fly Fishing Conditions

Live Conditions

Sauk River — Sauk near Sauk

Unfishable

339CFS

Discharge

2.82ft

Gauge Height

60.6°F

Water Temp

Updated 51 min agoView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

29.16 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

61°FOvercast

Wind 4 mph29.16 inHg Low & stable

Tough conditions — fish deep

Today

☁️

Overcast

81° / 58°

Tomorrow

🌫️

Foggy

70° / 60°

Fri

☁️

Overcast

72° / 58°

Sat

☁️

Overcast

77° / 54°

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.

2

Time of Day

Using: 339 CFS · 60.6°F · PMDs continue. Caddis. Hopper season. Bull trout aggressive on streamers. Glacial flows stable.

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Sauk River conditions.

🪰 Hatch Calendar

Sauk River · July · Summer

Full calendar →

🟢 Active now at 60.6°F water

CaddisPale Morning Dun

🟡 Approaching — within 5°F of trigger range

Blue-Winged Olive

Select month

JanDec

PMDs continue. Caddis. Hopper season. Bull trout aggressive on streamers. Glacial flows stable.

PMDCaddisStreamer

🟢 Active · 🟡 Approaching · ⚪ Seasonal only

River Map

Loading map…

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

About Sauk River

North Cascades tributary of the Skagit — remote steelhead and bull trout water, glacially influenced flows, and outstanding wilderness scenery near Darrington.

SalmonflyGolden StoneCaddisPale Morning DunBlue-Winged OliveOctober Caddis

Regulations

Wild steelhead must be released. Bull trout must be released. Catch Record Card required. Part of the Skagit tribal co-management zone — check Sauk-Suiattle and Swinomish tribal boundaries.

Learn More

Guides to help you fish Sauk River with more confidence.