Portage Lake

Cass County, MN

GOConfidence · Medium
Best bite window
Sat · Sep 12, 6 PM → 10 PM (America/Chicago)
Main reason
falling pressure ahead of a system
Main risk
a front passing through

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

Full read

The current fishing-weather read for Portage Lake in Cass County, MN is GO, with the best four-hour window on Sat, Sep 12 from 6 PM to 10 PM (America/Chicago). The main factor in its favor is falling pressure ahead of a system, and the main watch-out is a front passing through. During that window the forecast calls for wind near 6 mph out of the northwest, gusting to 17 mph, surface pressure near 969 hPa on a falling trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 57 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:24 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:24 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
6mph

NW · gust 17

Rain / Weather
0in

Overcast

Temp
57°F

14°C · hum 52%

Pressure
28.61inHg

Falling

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    79° / 48°F
    9 mph · SWgust 23
    0.00 in
    ↓ -6.6 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    86° / 61°F
    7 mph · Sgust 39
    0.56 in
    ↓ -5.5 hPa
  3. Sat · Sep 12
    6 PM → 10 PM
    GO
    A front passing through
    64° / 50°F
    6 mph · NWgust 31
    0.00 in
    ↑ +15.0 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    GO
    A front passing through
    64° / 45°F
    3 mph · NWgust 13
    0.00 in
    → +2.4 hPa
  5. Mon · Sep 14
    2 PM → 6 PM
    MAYBE
    A front passing through
    55° / 46°F
    7 mph · SEgust 35
    0.63 in
    ↓ -11.0 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    GO
    A front passing through
    57° / 48°F
    7 mph · NWgust 25
    0.00 in
    ↑ +15.7 hPa
  7. Wed · Sep 16
    6 AM → 10 AM
    GO
    A front passing through
    68° / 43°F
    3 mph · Sgust 6
    0.00 in
    ↓ -2.9 hPa

Last 3 days

Recent context — what just happened

Pressure
Steady
-2.9 hPa over 72h
Rain
Light rain
0.13 in totallast 72h
Wind
Gusty
9 mph · gust 36 · SW
Temperature
Cooler
-13.9°F over 72h84–55°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.