Gropp Lake

Mercer County, NJ

MAYBEConfidence · 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
Main risk
a front passing through

MAYBE on Gropp Lake — light winds and rising pressure after a passing system for this window. Watch a front passing through and pressure swinging. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Tue · Oct 27, 4 AM → 8 AM (America/New_York)

Full read

The latest cached fishing-weather read for Gropp Lake in Mercer County, NJ is MAYBE. 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, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 4 mph out of the southwest, gusting to 6 mph; surface pressure near 1024 hPa on an unstable trend; 0.00 inches of rain; and air temperature near 39 °F with clear dominant. Confidence in this cached read is low; it was generated October 26, 2026, 9:44 AM 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 October 26, 2026, 9:44 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

SW · gust 6

Rain / Weather
0in

Clear

Temp
39°F

4°C · hum 89%

Pressure
30.24inHg

Unstable

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    MAYBE
    A front passing through
    68° / 36°F
    4 mph · SWgust 16
    0.00 in
    ↓ -7.6 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    61° / 45°F
    7 mph · NEgust 22
    0.00 in
    ↑ +8.2 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 45°F
    4 mph · Ngust 14
    0.00 in
    ↓ -1.0 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    68° / 50°F
    4 mph · Sgust 19
    0.00 in
    ↓ -6.1 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    73° / 54°F
    7 mph · SWgust 23
    0.00 in
    ↑ +1.3 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 48°F
    6 mph · Ngust 19
    0.00 in
    ↑ +4.0 hPa
  7. Sun · Nov 1
    8 AM → 12 PM
    MAYBE
    A front passing through
    66° / 48°F
    4 mph · Sgust 17
    0.01 in
    ↓ -5.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+10.0 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
3 mph · gust 24 · NW
Temperature
Cooler
-7.0°F over 72h66–34°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.