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
falling pressure ahead of a system

GO on Lake Armstrong — light winds and falling pressure ahead of a system for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window
GO

Fri · Jul 24, 11 AM → 3 PM (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 falling pressure ahead of a system. Its cached forecast evidence included wind near 3 mph out of the southwest, gusting to 7 mph; surface pressure near 1001 hPa on a falling trend; 0.00 inches of rain; and air temperature near 63 °F with mostly clear dominant. Confidence in this cached read is low; it was generated July 23, 2026, 11:10 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 July 23, 2026, 11:10 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
3mph

SW · gust 7

Rain / Weather
0in

Mostly clear

Temp
63°F

17°C · hum 89%

Pressure
29.56inHg

Falling

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Window passed
    GO
    Falling pressure ahead of a system
    79° / 61°F
    3 mph · SWgust 14
    0.00 in
    → +0.6 hPa
  2. Fri · Jul 24
    11 AM → 3 PM
    GO
    Falling pressure ahead of a system
    79° / 59°F
    3 mph · SEgust 9
    0.00 in
    ↓ -3.6 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    GO
    Falling pressure ahead of a system
    73° / 52°F
    3 mph · SWgust 19
    0.00 in
    ↑ +4.9 hPa
  4. Sun · Jul 26
    6 AM → 10 AM
    GO
    Falling pressure ahead of a system
    79° / 55°F
    3 mph · Sgust 16
    0.00 in
    ↓ -0.4 hPa
  5. Mon · Jul 27
    7 AM → 11 AM
    GO
    Falling pressure ahead of a system
    81° / 54°F
    4 mph · Sgust 11
    0.00 in
    ↓ -0.3 hPa
  6. Tue · Jul 28
    8 AM → 12 PM
    GO
    Falling pressure ahead of a system
    81° / 54°F
    4 mph · SEgust 6
    0.00 in
    ↓ -1.4 hPa
  7. Wed · Jul 29
    8 AM → 12 PM
    GO
    Falling pressure ahead of a system
    86° / 55°F
    4 mph · SEgust 5
    0.00 in
    ↓ -1.0 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-0.8 hPa over 72h
Rain
Dry stretch
0.02 in totallast 72h
Wind
Calm wind
4 mph · gust 11 · E
Temperature
Warmer
+9.9°F over 72h90–57°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.