Don Castro Reservoir

Alameda County, CA

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 Don Castro Reservoir — light winds and steady pressure trend for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window
GO

Fri · Jul 24, 4 AM → 8 AM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Don Castro Reservoir in Alameda County, CA 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 6 mph out of the west, gusting to 11 mph; surface pressure near 1001 hPa on a steady trend; 0.00 inches of rain; and air temperature near 59 °F with overcast dominant. Confidence in this cached read is low; it was generated July 23, 2026, 11:07 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, 11:07 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
6mph

W · gust 11

Rain / Weather
0in

Overcast

Temp
59°F

15°C · hum 93%

Pressure
29.56inHg

Steady

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Window passed
    GO
    Dry conditions across the window
    72° / 57°F
    6 mph · Wgust 16
    0.00 in
    ↓ -1.6 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    GO
    Dry conditions across the window
    70° / 55°F
    6 mph · SWgust 17
    0.00 in
    ↓ -1.1 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    GO
    Dry conditions across the window
    73° / 59°F
    4 mph · SWgust 11
    0.00 in
    ↓ +0.1 hPa
  4. Sun · Jul 26
    7 AM → 11 AM
    GO
    Dry conditions across the window
    75° / 59°F
    3 mph · SWgust 11
    0.00 in
    → +0.8 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    GO
    Dry conditions across the window
    75° / 59°F
    3 mph · SWgust 11
    0.00 in
    ↓ -1.4 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    GO
    Dry conditions across the window
    77° / 59°F
    4 mph · Sgust 11
    0.00 in
    ↓ -2.7 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    GO
    Dry conditions across the window
    75° / 59°F
    4 mph · SWgust 11
    0.00 in
    → +0.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+4.2 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
6 mph · gust 19 · NW
Temperature
Warmer
+3.1°F over 72h93–57°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.