Hooch Forecast
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Today's prediction

Chattahoochee River — Duluth / Johns Creek / Suwanee (Buford Dam → Medlock Bridge)

Very Good
Score 81/100 · Sat, Sep 5
Weather
Live
MET Norway
Source
Buford Outflow
0.61 kcfs
USACE Buford Dam (Outflow)
Source
Release Schedule
48 MW peak
USACE Hydropower (Buford Dam)
Source
Water (E. coli + Turbidity)
320 cfu/100ml
USGS BacteriALERT (Medlock Bridge)
Source
Moon phase
Live
Conway lunar approximation

7-day outlook

Sat9/5
Today
Very Good☀️
Rain
0.00″
Last rain
none in 5d
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌗
Dam Releasepeak 10p · 48 MW
12a6a12p6p12a
Sun9/6
good🌧️
Rain
0.10″
Last rain
none in 5d
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌗
Dam Release · last Sunpeak 12a · 48 MW
12a6a12p6p12a
Mon9/7
good🌧️
Rain
0.08″
Last rain
9/6 · 0.10″
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌘
Dam Release · last Monpeak 3p · 48 MW
12a6a12p6p12a
Tue9/8
Very Good🌧️
Rain
0.06″
Last rain
9/7 · 0.08″
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌘
Dam Release · last Tuepeak 6p · 120 MW
12a6a12p6p12a
Wed9/9
Very Good☀️
Rain
0.00″
Last rain
9/8 · 0.06″
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌘
Dam Release · last Wedpeak 9p · 59 MW
12a6a12p6p12a
Thu9/10
good☀️
Rain
0.00″
Last rain
9/8 · 0.06″
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌑
Dam Release · last Thupeak 9p · 59 MW
12a6a12p6p12a
Fri9/11
good☀️
Rain
0.00″
Last rain
9/8 · 0.06″
E. coli
320
River stage
2.13 ft
Turbidity
16.8 FNU
Moon
🌑
Dam Release · last Fripeak 5p · 48 MW
12a6a12p6p12a

Today's factors

Rain window
prime

No measurable rain in the past 4 days. Water should be clear.

Dam release
prime

Outflow 613 cfs (0.6k) — prime wadeable flow.

Release timing
good

Spike falls outside 2am–2pm — peak 48 MW at 10pm (scheduled). River should settle by morning.

Water clarity (Medlock Bridge)
good

E. coli: near recent valley. 320 cfu/100ml — rising (14d range 110–1,400). Turbidity: near recent valley. 16.8 FNU — rising (14d range 1.7–53.5).

River stage
prime

Normal/low stage. Stage 2.13 ft (rising, 14d median 2.33 ft).

Moon phase
fair

Mid-cycle moon — average influence on feeding.

Past week

ML model v59 · trained on 92 samples · R² 0.79
Blended 60% into forecast
Calibration · 3 logged trips: agreed on 3, over-rated 0, under-rated 0.
Forecasts tuned 3 pts lower (was over-rating)
DateRatingYour callScoreRain 2d (in)Peak MWPeak hrE. coliWeatherType
Sat, Sep 5
good
690.054810pMostly clearactual
Fri, Sep 4
good
740.18485p270Mostly clearactual
Thu, Sep 3
good
700.01599pMostly clearactual
Wed, Sep 2
good
740.00599p220Overcastactual
Tue, Sep 1
good
700.001204p220Mostly clearactual
Mon, Aug 31
good
700.00483p170Clearactual
Sun, Aug 30
good
680.004812aRainactual