Grand Lake

Mercer County, OH

GOConfidence · Low
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
dry conditions across the window

GO on Grand Lake — light winds and rising pressure after a passing 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/New_York)

Full read

The latest cached fishing-weather read for Grand Lake in Mercer County, OH 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 dry conditions across the window. Its cached forecast evidence included wind near 4 mph out of the southwest, gusting to 7 mph; surface pressure near 984 hPa on a rising trend; 0.00 inches of rain; and air temperature near 75 °F with overcast dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:29 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, 1:29 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
4mph

SW · gust 7

Rain / Weather
0in

Overcast

Temp
75°F

24°C · hum 82%

Pressure
29.06inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    GO
    Dry conditions across the window
    77° / 66°F
    4 mph · SWgust 16
    0.00 in
    ↓ +0.1 hPa
  2. Fri · Sep 11
    Now → 8 AM
    GO
    Dry conditions across the window
    79° / 61°F
    7 mph · NEgust 16
    0.00 in
    ↓ 0.0 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    GO
    Dry conditions across the window
    81° / 64°F
    6 mph · Sgust 14
    0.19 in
    ↓ +0.2 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    GO
    Dry conditions across the window
    84° / 66°F
    6 mph · SWgust 11
    0.00 in
    ↑ +2.5 hPa
  5. Mon · Sep 14
    11 AM → 3 PM
    GO
    Dry conditions across the window
    84° / 66°F
    7 mph · Egust 25
    0.19 in
    ↓ -0.6 hPa
  6. Tue · Sep 15
    5 PM → 9 PM
    GO
    Dry conditions across the window
    88° / 72°F
    5 mph · Wgust 30
    0.14 in
    ↑ +3.0 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    GO
    Dry conditions across the window
    73° / 66°F
    6 mph · Ngust 17
    0.21 in
    ↓ +0.4 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-4.0 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
7 mph · gust 26 · E
Temperature
Warmer
+10.3°F over 72h86–59°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.