Square Island Lake

Brazoria County, TX

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 Square Island 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, 1 PM → 5 PM (America/Chicago)

Full read

The latest cached fishing-weather read for Square Island Lake in Brazoria County, TX 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 3 mph out of the east, gusting to 10 mph; surface pressure near 1015 hPa on a rising trend; 0.00 inches of rain; and air temperature near 82 °F with overcast dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:27 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, 1:27 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
3mph

E · gust 10

Rain / Weather
0in

Overcast

Temp
82°F

28°C · hum 73%

Pressure
29.97inHg

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
    84° / 77°F
    3 mph · Egust 18
    0.17 in
    ↓ -1.9 hPa
  2. Fri · Sep 11
    1 PM → 5 PM
    GO
    Dry conditions across the window
    88° / 77°F
    6 mph · Sgust 17
    0.10 in
    ↓ -1.6 hPa
  3. Sat · Sep 12
    12 PM → 4 PM
    GO
    Dry conditions across the window
    91° / 81°F
    7 mph · Sgust 19
    0.19 in
    ↑ +2.3 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    91° / 81°F
    9 mph · Sgust 17
    0.03 in
    ↑ +1.2 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    GO
    Dry conditions across the window
    93° / 81°F
    7 mph · Sgust 17
    0.00 in
    → +0.6 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    GO
    Dry conditions across the window
    93° / 81°F
    7 mph · Sgust 18
    0.00 in
    ↑ +1.9 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    GO
    Dry conditions across the window
    91° / 81°F
    4 mph · SEgust 14
    0.00 in
    ↓ -0.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+4.6 hPa over 72h
Rain
Wet stretch
3.11 in totallast 72h
Wind
Calm wind
4 mph · gust 14 · E
Temperature
Warmer
+2.2°F over 72h95–77°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.