Fishing Forecast · Wisconsin · Updated November 2026

South Twin Lake

This forecast reads South Twin Lake's measured clarity, depth, and trophic state, with each species' biology, the sun and moon, and today's conditions, to call when the fish move on South Twin Lake and how to catch them.

9 ft
max depth: 1
fish species: 5 ft
water clarity: Natural lake
water body

Today · Thu Nov 5

★★★★★

The bite on South Twin Lake today. Sunrise 6:40 AM, sunset 4:41 PM.

Moon: Waning Crescent · 19%
Major windows: 7:32 PM–9:32 PM · 7:54 AM–9:54 AM

Best day · next 2 weeks

Mon Nov 9

★★★★★

New Moon moon (0%). Fish the major windows at 10:33 PM and 10:57 AM.

Fishing Forecast for South Twin Lake

A multi-factor outlook built from South Twin Lake's measured water quality — clarity, trophic state, depth, and water-body type — combined with each species' biology, seasonal patterns, and today's live weather. It flags spawn timing, where the fish hold, and the techniques that fit this lake's water, not just the moon.

Panfish

PanfishFallFall feed-up

Fair

~41°F est.

South Twin Lake runs 5 ft of clarity — a balanced clarity where both natural finesse and moderate reaction baits produce.

Because South Twin Lake averages 5 ft of visibility (moderately clear), a balanced clarity where both natural finesse and moderate reaction baits produce.
Its eutrophic nutrient level puts the summer weedline near 8–12 ft — that edge is the high-percentage zone to hold panfish through the warm months.
With a max depth of 9 ft, South Twin Lake is a shallow lake that stays mixed and warm all summer — fish relate to weeds, wind, and cover rather than depth.

Techniques for moderate water

small jigs & live bait

Season-by-season on South Twin Lake

Season	Where	Structure	How
Spring	shallow 2–8 ft	warming bays, weed and brush cover	small jigs and live bait under a float
Summer	weed edges 6–18 ft	deeper weedlines, docks, brush	small jigs, slip-bobbers, live bait
Fall	mid 8–20 ft	deeper weed edges and basin	small jigs and spoons
Winter / Ice	8–25 ft	basin holes and deep weed edges	tungsten ice jigs with waxworms/minnows

The outlook is a transparent heuristic weighting of established angling factors, this lake's measured water quality, and live conditions — not a validated catch predictor. Water temperature is estimated from season and latitude unless a recent USGS gauge reading is available. Planning a meal? Check fish-consumption advisories for South Twin Lake. Always follow current state regulations.

14-Day Fishing Calendar

Plan the next two weeks on South Twin Lake. Anglers target Panfish on South Twin Lake.

Date	Rating	Moon	Sunrise	Sunset	Major Periods	Minor Periods
Thu, Nov 5	☆☆☆☆☆	Waning Crescent 19% lit	6:40 AM	4:41 PM	7:32 PM – 9:32 PM 7:54 AM – 9:54 AM	2:17 AM – 3:17 AM 2:18 PM – 3:18 PM
Fri, Nov 6	½☆☆☆☆	Waning Crescent 12% lit	6:42 AM	4:40 PM	8:16 PM – 10:16 PM 8:38 AM – 10:38 AM	3:27 AM – 4:27 AM 2:37 PM – 3:37 PM
Sat, Nov 7	★☆☆☆☆	Waning Crescent 6% lit	6:43 AM	4:38 PM	9:00 PM – 11:00 PM 9:23 AM – 11:23 AM	4:37 AM – 5:37 AM 2:59 PM – 3:59 PM
Sun, Nov 8	★½☆☆☆	Waning Crescent 2% lit	6:44 AM	4:37 PM	9:46 PM – 11:46 PM 10:09 AM – 12:09 PM	5:47 AM – 6:47 AM 3:23 PM – 4:23 PM
Mon, Nov 9	★★½☆☆	New Moon 0% lit	6:46 AM	4:36 PM	10:33 PM – 12:33 AM 10:57 AM – 12:57 PM	6:56 AM – 7:56 AM 3:53 PM – 4:53 PM
Tue, Nov 10	★★☆☆☆	New Moon 1% lit	6:47 AM	4:35 PM	11:22 PM – 1:22 AM 11:47 AM – 1:47 PM	8:02 AM – 9:02 AM 4:29 PM – 5:29 PM
Wed, Nov 11	★½☆☆☆	Waxing Crescent 3% lit	6:49 AM	4:34 PM	12:13 AM – 2:13 AM 12:38 PM – 2:38 PM	9:02 AM – 10:02 AM 5:13 PM – 6:13 PM
Thu, Nov 12	½☆☆☆☆	Waxing Crescent 8% lit	6:50 AM	4:33 PM	1:04 AM – 3:04 AM 1:29 PM – 3:29 PM	9:55 AM – 10:55 AM
Fri, Nov 13	★½☆☆☆	Waxing Crescent 15% lit	6:51 AM	4:32 PM	1:55 AM – 3:55 AM 2:19 PM – 4:19 PM	6:05 PM – 7:05 PM 10:39 AM – 11:39 AM
Sat, Nov 14	★★☆☆☆	Waxing Crescent 23% lit	6:53 AM	4:31 PM	2:44 AM – 4:44 AM 3:08 PM – 5:08 PM	7:03 PM – 8:03 PM 11:15 AM – 12:15 PM
Sun, Nov 15	★★☆☆☆	Waxing Crescent 33% lit	6:54 AM	4:30 PM	3:31 AM – 5:31 AM 3:54 PM – 5:54 PM	8:06 PM – 9:06 PM 11:44 AM – 12:44 PM
Mon, Nov 16	★½☆☆☆	First Quarter 43% lit	6:55 AM	4:29 PM	4:16 AM – 6:16 AM 4:39 PM – 6:39 PM	9:12 PM – 10:12 PM 12:08 PM – 1:08 PM
Tue, Nov 17	★½☆☆☆	First Quarter 54% lit	6:57 AM	4:28 PM	5:00 AM – 7:00 AM	10:18 PM – 11:18 PM 12:29 PM – 1:29 PM
Wed, Nov 18	★★½☆☆	Waxing Gibbous 64% lit	6:58 AM	4:27 PM	5:22 PM – 7:22 PM 5:43 AM – 7:43 AM	11:25 PM – 12:25 AM 12:48 PM – 1:48 PM

Server-rendered 14-day calendar starting 2026-11-05. Live in your browser shortly.

Methodology

How this forecast works

A plain solunar table only knows the moon. The LakeQuality Fishing Forecast starts there and adds what actually decides where and how fish bite on South Twin Lake — factors we measure rather than guess:

Water clarity — South Twin Lake's Secchi reading flips the playbook between clear-water finesse and stained-water reaction baits, and sets the low-light bite window.
Trophic state & depth — nutrient level and max depth set the summer weedline and whether the lake stratifies, which tells you how deep to fish.
Water-body type — natural lake vs. reservoir changes the structure that holds fish.
Species & season — each species' spawn-temperature window and seasonal movements, matched to the lake's estimated water temperature.
Sun & moon — the solunar major/minor periods and dawn/dusk twilight in the calendar below.

The species outlook is a transparent heuristic weighting of these established factors, and it now also factors in today's live conditions — wind, cloud cover, and the barometric (pressure) trend, recomputed for the current day. It's not a validated catch predictor, and water temperature is still an estimate from season and latitude unless a recent USGS gauge reading exists. It's the analysis a solunar table can't do, grounded in South Twin Lake's real, measured water quality.

How to read the calendar

Major periods (≈2 hours) are centered on lunar transit (when the moon is highest in the sky) and lunar opposition (when the moon is directly underfoot). These are typically the strongest feeding windows.

Minor periods (≈1 hour) are centered on moonrise and moonset. They're secondary windows that often produce well — especially when they coincide with sunrise or sunset.

Day rating combines moon phase (peak near new and full moons, when lunar gravity is strongest) with the overlap of major periods and the dawn/dusk twilight. A 4–5 star day stacks all three.

At South Twin Lake (lat 44.64°N), the longest day of the year is around June 21 with 15h 34m of daylight. The shortest is around December 21 with 8h 48m. Plan summer trips around the early-morning bite (around 5:30 AM) and the long evening window before sunset.

Frequently asked questions

What makes this better than a solunar fishing table for South Twin Lake?

A solunar table only uses the moon. The LakeQuality Fishing Forecast adds South Twin Lake's measured water quality — its moderate clarity, trophic state, depth, and water-body type — matched to each species' spawn window and seasonal movements. That measured data drives where the fish hold and which techniques fit this lake's water, then the solunar calendar below adds the sun/moon timing. It's a transparent, multi-factor outlook, not a validated catch guarantee.

What is the best time to fish South Twin Lake today?

Today's solunar calendar for South Twin Lake (lat 44.64, lon -89.42) shows sunrise at 6:40 AM and sunset at 4:41 PM. The strongest fishing windows are around major solunar periods at 7:32 PM–9:32 PM and 7:54 AM–9:54 AM, plus the 30-90 minutes around dawn and dusk.

What does the moon phase mean for fishing South Twin Lake?

Solunar theory holds that fish activity peaks during major periods (when the moon is overhead or directly underfoot) and minor periods (moonrise and moonset). Fish feeding tends to intensify during the days surrounding the new moon and full moon, when lunar gravity is strongest. Today's moon at South Twin Lake is Waning Crescent (19% illuminated).

When are the longest and shortest days at South Twin Lake?

At South Twin Lake's latitude (44.64°N), the longest day of the year is around June 21 with about 15h 34m of daylight. The shortest day is around December 21 with about 8h 48m of daylight. Sunrise and sunset shift by roughly 6 hours between solstices.

Are major or minor solunar periods more important?

Major periods (about 2 hours, centered on lunar transit and lunar opposition) are generally considered the strongest feeding windows. Minor periods (about 1 hour, centered on moonrise and moonset) are secondary but still productive — especially when they overlap with sunrise or sunset.

More for South Twin Lake

Where to stay near South Twin Lake

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The species outlook is a transparent, multi-factor heuristic built from South Twin Lake's measured water quality (clarity, trophic state, depth, water-body type) and established species biology, and it now also factors in today's live conditions — wind, cloud cover, and the barometric (pressure) trend, recomputed for the current day. It's not a validated catch predictor, and water temperature is still an estimate from season and latitude unless a recent USGS gauge reading is available. Solunar times use lat/lon and Meeus astronomical formulas, shown in Central Time. Always check local regulations and current conditions before fishing.

Source: EPA National Aquatic Resource Surveys, 2026.

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