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Bitter Lake Fishing Report

Updated Fri, Oct 23, 2026 from live gauge and weather data

The deep one of the Glacial Lakes: Waubay's risen sister, where drowned groves drop into 40 feet and the walleye run heavier than the neighbors'.

3/5
Fair. Fish the windows.A steady pattern: dawn and dusk carry the day.
Water temp
~55 F est.
Air / High
73 / 74 F
Wind
SSE 25 mph

Sources: Open-Meteo, solunar calculated for these coordinates.

Satellite view
Friday
23
October 2026

Today's Fishing Report

Generated this morning from live readings: gauge, weather model, sun and moon. A fresh report is published here every morning.

3/5Fair. Fish the windows.A steady pattern: dawn and dusk carry the day.

Bitter Lake rewards those who follow the bait as the water cools. Today brings a mixed sky, wind SSE around 25 mph, falling pressure near 1008 hPa and a high of 74. Water sits around 55 F for the season (estimated). With the waxing gibbous, the solunar majors run 10:05 AM-12:05 PM and 10:35 PM-12:35 AM: the windows to build the day around.

The plan, species by species

WalleyeGood

Spring: post-spawn fish scatter and can be slow for a couple of weeks. Fall: one of the best windows, with minnows on jigs and three-way rigs as the water cools toward ice-up.

Northern pikeGood

The best band for pike: right after ice-out they move into flooded vegetated shallows to spawn, and they feed actively again as the water cools in fall.

White bassFair

The spring run happens in this band: tributaries, shoals and the upper ends of reservoirs as the water reaches about 55Β°F.

CrappieFair

Pre-spawn fish move toward shallow coves, and Iowa DNR points to wading as an effective way to reach them in spring; minnows or small jigs under a float.

Tomorrow: Cooler at 66 F. The solunar majors shift about 50 minutes later.Next report: Sat, Oct 24, 6:30 AMHow this report is made β†’

Before you go

South Dakota requires a fishing licence from age 16, from $41.00 for residents. What a South Dakota licence costs and where to buy it β†’

Chasing walleye here? Check the size and bag limits with SD GFP before you keep anything. The season dates for South Dakota, read off the agency, are on the South Dakota seasons page.

Water and weather

Live readings.

No live gauge on this water

Conditions here are modeled from weather, season and the nearest stations. Water readings appear when a USGS gauge is available.

304050607080JanMarMayJulSepNovOct, ~55 F now

Right now

Latest readings

Air temp73 F
High / Low74 / 60 F
WindSSE 25-41 mph
Pressure1007.6 hPa, falling
Sky / Rain58% cloud, 20%
Sunrise / Sunset07:56 / 18:30
MoonWaxing Gibbous, 91%
Water temp (seasonal)~55 F est.

Bite planner

Hour-by-hour bite forecast for today. Tap a bar to see why.

5 AM8 AM11 AM2 PM5 PM8 PMsunrisesunsetPRIMEPRIME

Which day to fish Bitter Lake this week

The best day on Bitter Lake this week looks like Thursday Oct 29, at 4 out of 5, against 3 today.

Best day this week: Thursday, Oct 29 β€” good at 4/5, falling pressure, usually the best window of a week.

Today, Oct 23 β€” Fair

A steady pattern: dawn and dusk carry the day.

Solunar majors
10:05 AM-12:05 PM and 10:35 PM-12:35 AM
Minor period
4:29 AM-5:29 AM
Sun
07:56 to 18:30
Moon
Waxing Gibbous, 91% lit
Sky and wind
Overcast, 27 mph
Rain chance
20%

Forecast-based scores, less reliable further out: how the score is built.

Species guide

The species that matter on Bitter Lake: seasons, structure and how to fish each one. Today's ratings live in the report above.

Walleye illustration

Walleye

Best: spring and late fall, around dawn, dusk and night

A cool-water perch of large lakes, reservoirs and rivers whose reflective eyes are built for low light, so it feeds most at night and in murky water. The Missouri Department of Conservation ranks it among the continent's most important freshwater game fish. Spring: post-spawn fish scatter and can be slow for a couple of weeks. Fall: one of the best windows, with minnows on jigs and three-way rigs as the water cools toward ice-up.

White bass illustration

White bass

Best: the spring run up the tributaries, then summer surface schools

A silvery temperate bass of rivers and large reservoirs, also called sand bass, that schools in open water after shad and runs up tributaries to spawn in early spring. The spring run happens in this band: tributaries, shoals and the upper ends of reservoirs as the water reaches about 55Β°F.

Northern pike illustration

Northern pike

Best: cool water, from ice-out through spring, in fall and under the ice

A long, duck-billed predator of weedy lakes, slow rivers and backwaters that ambushes fish from vegetation. Wisconsin DNR points out that, unlike most of the state's common game fish, pike do their best feeding in cool water. The best band for pike: right after ice-out they move into flooded vegetated shallows to spawn, and they feed actively again as the water cools in fall.

Crappie illustration

Crappie

Best: the spring spawn; summer around docks, brush and the thermocline

Two slab-sided panfish, the white crappie and the black crappie, that gather around submerged timber, brush piles, docks and bridge pilings in lakes, reservoirs and slow river backwaters. Texas Parks and Wildlife counts crappie as the state's most popular panfish. Pre-spawn fish move toward shallow coves, and Iowa DNR points to wading as an effective way to reach them in spring; minnows or small jigs under a float.

When to come: the Bitter Lake calendar

Activity by species and month, and how the water warms through the year. Tap any cell.

Species activity by month

1 = slow, 5 = peak. Current month highlighted.

J
F
M
A
M
J
J
A
S
O
N
D
Walleye
White bass
Northern pike
Crappie
SlowPeak

Water temperature through the year

Typical surface temperature for this water type; today is around 55 F (estimated, not a reading).

304050607080JanMarMayJulSepNovOct, ~55 F now

Angler reports

Real reports from real anglers, reviewed before publishing. The water log below tracks each day automatically.

No angler reports yet this weekBe the first: your report helps every angler who checks Bitter Lake today, and we feature the best catch of the week.

Water log, last days

Auto-logged from live data
Thu, Oct 22

3/5 Fair. Fish the windows. A steady pattern: dawn and dusk carry the day. Walleye led the card at good. High of 77 F, wind to 15 mph.

Wed, Oct 21

3/5 Fair. Fish the windows. A steady pattern: dawn and dusk carry the day. Walleye led the card at good. High of 68 F, wind to 10 mph.

Tue, Oct 20

4/5 Good. Solid day ahead. Stable-to-falling pressure and workable wind line things up. Walleye led the card at excellent. High of 70 F, wind to 19 mph.

Where roughly, what depth, what bait. Skip anything you want to keep secret.
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Before you go

License

South Dakota requires a valid fishing license for adults. Buy online from the state agency; one-day options exist for visitors.

Regulations

South Dakota license. Walleye 4/day: check GFP northeast-area rules and ramp status.

Access

GFP accesses off the section roads (level-dependent): Webster basecamp.

About this water

Deep glacial riser near Waubay, Day County, SD. The heavyweight sister of the wet-cycle lakes.

Fishing Bitter Lake: the full guide

The deeper sister

Bitter rose with the same 1990s wet cycle that built Waubay: but sank its basin deeper: 40-plus-foot holes among the drowned groves make it the Glacial Lakes' depth outlier and, in strong cycles, its heavyweight walleye water: the fish average chunkier where the forage base runs deep.

Working depth on the prairie

Summer stratification matters here like nowhere nearby: walleye slide to the 18-30-ft breaks off the flooded shelterbelts (jigging raps and harnesses at depth), while the neighbors' shallow bowls scatter. Fall turns the drowned grove edges back on: October's crankbait bite along the tree lines is the local prime.

White bass and the mixed bag

High-water connections seeded white bass: summer schools push bait mid-lake (watch the birds: prairie-style run-and-gun), and pike patrol every treeline. Perch cycle through the ice seasons: when Bitter's jumbos hit, the wheelhouses migrate over from Waubay within the week.

Glacial Lakes practicalities

Access runs off the section roads (GFP's northeast-area ramp notes track the levels), Webster serves as basecamp, and the refuge boundaries near the north end mark closed water: know the lines. Wind rules the open basin: the grove lees and depth transitions keep fishable water in most blows.

Common questions

How is Bitter Lake different from Waubay?

Depth: 40-foot holes versus shallow flats: summer walleye school deeper and average heavier here. Fish it as the chain's structure lake.

When should I fish Bitter Lake?

June-July on the deep breaks and October along the drowned groves: plus the perch-cycle winters. Watch GFP's netting reports: the Glacial Lakes tell you which sister is hot.

Is fishing good at Bitter Lake right now?

Check the daily report at the top of this page: it is regenerated every morning from live data. Today's read: Fair. Fish the windows. A steady pattern: dawn and dusk carry the day.

Nearby waters

Waubay Lake12 miBig Stone Lake36 miLake Poinsett48 miLake Thompson66 miSheyenne River99 miBig Sioux River108 mi

Where this page's numbers come from

Weather and pressure
Open-Meteo forecast model
Queried at 45.2330, -97.3000 in this water's own timezone. A model, not an observation.
Moon and solunar windows
Calculated on this site
Astronomical calculation from these coordinates and the date, not a third-party feed. How much weight it deserves.
The written guide on this page
Pablo Ruiz Quintero
How this page was made. The daily report is computed by our scoring engine from live readings; nobody types it. The written guide was drafted with AI assistance. Unlike our newer pages, it does not yet list the official pages its facts were checked against: that audit is under way, and anything it cannot verify will be taken out. Pablo Ruiz Quintero sets every guideline, the data-verification system and the minimum standards a page must meet to be published, reviews page structure and approves what goes live; the responsibility is his, and the AI carries out the work. We work this way because it is how one person can keep every page current with named sources. Errors are published in the verification log; the full policy is in the editorial policy.

Readings refresh on a 30-minute window. The full method, with every figure and its source, is on how our reports are made. Something wrong here? Tell us and it goes in the log with the date.