Big Sand Lake

Cass County, MN

GOConfidence · Medium
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
falling pressure ahead of a system

GO on Big Sand Lake — light winds and falling pressure ahead of a system for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window
GO

Fri · Sep 11, Now 8 AM (America/Chicago)

Full read

The latest cached fishing-weather read for Big Sand Lake in Cass County, MN is GO. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was falling pressure ahead of a system. Its cached forecast evidence included wind near 7 mph out of the southwest, gusting to 17 mph; surface pressure near 967 hPa on a falling trend; 0.00 inches of rain; and air temperature near 63 °F with clear dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:18 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:18 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

SW · gust 17

Rain / Weather
0in

Clear

Temp
63°F

17°C · hum 55%

Pressure
28.56inHg

Falling

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Thu · Sep 10
    Window passed
    GO
    Falling pressure ahead of a system
    77° / 43°F
    7 mph · SWgust 20
    0.00 in
    ↓ -5.6 hPa
  2. Fri · Sep 11
    Now → 8 AM
    GO
    Falling pressure ahead of a system
    84° / 59°F
    6 mph · Sgust 33
    0.48 in
    ↓ -8.2 hPa
  3. Sat · Sep 12
    6 PM10 PM
    GO
    Falling pressure ahead of a system
    66° / 50°F
    6 mph · NWgust 31
    0.05 in
    ↑ +15.9 hPa
  4. Sun · Sep 13
    6 AM10 AM
    GO
    Falling pressure ahead of a system
    63° / 45°F
    4 mph · NWgust 11
    0.00 in
    ↑ +3.1 hPa
  5. Mon · Sep 14
    3 PM7 PM
    GO
    Falling pressure ahead of a system
    55° / 45°F
    6 mph · SEgust 37
    0.52 in
    ↓ -11.0 hPa
  6. Tue · Sep 15
    4 AM8 AM
    GO
    Falling pressure ahead of a system
    61° / 48°F
    6 mph · NWgust 23
    0.00 in
    ↑ +15.8 hPa
  7. Wed · Sep 16
    4 AM8 AM
    GO
    Falling pressure ahead of a system
    66° / 43°F
    4 mph · Sgust 6
    0.00 in
    ↓ -2.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-2.5 hPa over 72h
Rain
Wet stretch
0.59 in totallast 72h
Wind
Gusty
9 mph · gust 34 · SW
Temperature
Cooler
-15.3°F over 72h82–54°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Weather data by Open-Meteo CC BY 4.0. Fishing Weather derives the fishing read.