Grena Lake

Otter Tail County, MN

MAYBEConfidence · Medium
Best bite window
Sat · Sep 12, 8 PM → 12 AM (America/Chicago)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Grena Lake — light winds and dry conditions across the window 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 Grena Lake in Otter Tail County, MN is MAYBE, with the best four-hour window on Sat, Sep 12 from 8 PM to 12 AM (America/Chicago). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 7 mph out of the north, gusting to 16 mph, surface pressure near 969 hPa on a steady trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 55 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:19 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, 1:19 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

N · gust 16

Rain / Weather
0in

Overcast

Temp
55°F

13°C · hum 46%

Pressure
28.61inHg

Steady

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° / 50°F
    11 mph · Sgust 25
    0.00 in
    ↓ -8.4 hPa
  2. Fri · Sep 11
    Now → 8 AM
    MAYBE
    A front passing through
    86° / 61°F
    9 mph · Sgust 37
    0.00 in
    ↓ -3.6 hPa
  3. Sat · Sep 12
    6 AM → 10 AM
    MAYBE
    A front passing through
    70° / 52°F
    10 mph · NWgust 36
    0.00 in
    ↑ +13.3 hPa
  4. Sun · Sep 13
    8 AM → 12 PM
    MAYBE
    A front passing through
    63° / 48°F
    4 mph · NEgust 21
    0.07 in
    ↓ -0.6 hPa
  5. Mon · Sep 14
    6 PM → 10 PM
    MAYBE
    A front passing through
    59° / 50°F
    7 mph · Wgust 40
    0.28 in
    ↓ -6.9 hPa
  6. Tue · Sep 15
    5 PM → 9 PM
    MAYBE
    A front passing through
    63° / 48°F
    7 mph · Ngust 29
    0.01 in
    ↑ +13.6 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    68° / 46°F
    6 mph · SEgust 7
    0.00 in
    ↓ -3.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
-0.9 hPa over 72h
Rain
Dry stretch
0.02 in totallast 72h
Wind
Gusty
12 mph · gust 39 · SW
Temperature
Cooler
-11.9°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.