Sourdough Lake

Whatcom County, WA

MAYBEConfidence · Low
Best bite window
Tue · Oct 27, 6 AM → 10 AM (America/Los_Angeles)
Main reason
dry conditions across the window
Main risk
a front passing through

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

Full read

The current fishing-weather read for Sourdough Lake in Whatcom County, WA is MAYBE, with the best four-hour window on Tue, Oct 27 from 6 AM to 10 AM (America/Los_Angeles). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 4 mph out of the east, gusting to 9 mph, surface pressure near 937 hPa on a rising trend, and rainfall totaling 0.02 inches over the four hours. Air temperature in the window sits near 41 °F, with a dominant forecast of light drizzle. Confidence in this read is low; it was generated October 26, 2026, 9:23 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED October 26, 2026, 9:23 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

E · gust 9

Rain / Weather
0.02in

Light drizzle

Temp
41°F

5°C · hum 93%

Pressure
27.67inHg

Rising

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
    50° / 43°F
    3 mph · SWgust 16
    0.29 in
    ↓ -1.3 hPa
  2. Tue · Oct 27
    6 AM → 10 AM
    MAYBE
    A front passing through
    45° / 37°F
    4 mph · Egust 21
    0.35 in
    ↓ -2.0 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    45° / 36°F
    1 mph · Sgust 5
    0.23 in
    ↑ +5.0 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    43° / 27°F
    3 mph · NEgust 4
    0.04 in
    ↓ -1.4 hPa
  5. Fri · Oct 30
    1 PM → 5 PM
    MAYBE
    A front passing through
    43° / 30°F
    3 mph · Wgust 4
    0.19 in
    ↑ +1.2 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    45° / 27°F
    2 mph · Egust 4
    0.00 in
    ↓ -1.0 hPa
  7. Sun · Nov 1
    6 AM → 10 AM
    MAYBE
    A front passing through
    39° / 30°F
    2 mph · Wgust 3
    0.06 in
    ↑ +8.7 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-0.1 hPa over 72h
Rain
Dry stretch
0.02 in totallast 72h
Wind
Gusty
6 mph · gust 30 · NW
Temperature
Warmer
+3.1°F over 72h55–36°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.