Lake Armstrong

Mason County, WA

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 Lake Armstrong — 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, 4 AM → 8 AM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Lake Armstrong in Mason County, WA 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 southeast, gusting to 9 mph; surface pressure near 1001 hPa on a rising trend; 0.00 inches of rain; and air temperature near 61 °F with overcast dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:18 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, 1:18 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
3mph

SE · gust 9

Rain / Weather
0in

Overcast

Temp
61°F

16°C · hum 71%

Pressure
29.56inHg

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
    72° / 57°F
    3 mph · SEgust 13
    0.00 in
    ↓ -5.4 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    GO
    Dry conditions across the window
    66° / 54°F
    4 mph · NEgust 12
    0.00 in
    → +0.6 hPa
  3. Sat · Sep 12
    1 PM → 5 PM
    GO
    Dry conditions across the window
    70° / 52°F
    5 mph · NEgust 11
    0.09 in
    → +0.3 hPa
  4. Sun · Sep 13
    7 AM → 11 AM
    GO
    Dry conditions across the window
    70° / 46°F
    3 mph · Sgust 12
    0.00 in
    ↑ +3.8 hPa
  5. Mon · Sep 14
    9 AM → 1 PM
    GO
    Dry conditions across the window
    72° / 48°F
    4 mph · SEgust 5
    0.00 in
    ↓ -0.5 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    GO
    Dry conditions across the window
    79° / 52°F
    3 mph · Ngust 7
    0.00 in
    → +1.6 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    GO
    Dry conditions across the window
    82° / 57°F
    4 mph · NWgust 6
    0.00 in
    ↓ -1.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+1.2 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
4 mph · gust 11 · E
Temperature
Warmer
+7.0°F over 72h79–54°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.