Arrowhead Marsh

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 Arrowhead Marsh — 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

Tue · Oct 27, 10 AM → 2 PM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Arrowhead Marsh 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 14 mph; surface pressure near 1020 hPa on a rising trend; 0.00 inches of rain; and air temperature near 54 °F with clear dominant. Confidence in this cached read is low; it was generated October 26, 2026, 9:20 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 October 26, 2026, 9:20 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
6mph

W · gust 14

Rain / Weather
0in

Clear

Temp
54°F

12°C · hum 84%

Pressure
30.12inHg

Rising

Tide predictions

NOAAMLLW

Predicted high and low tides. Heights are relative to MLLW.

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    GO
    Dry conditions across the window
    66° / 52°F
    6 mph · Wgust 21
    0.00 in
    → +0.6 hPa
  2. Tue · Oct 27
    10 AM → 12:25 PM
    GO
    Dry conditions across the window
    64° / 48°F
    4 mph · Wgust 17
    0.00 in
    ↓ -3.5 hPa
  3. Wed · Oct 28
    10 AM → 1:06 PM
    GO
    Dry conditions across the window
    73° / 50°F
    4 mph · Ngust 9
    0.00 in
    ↓ -1.3 hPa
  4. Thu · Oct 29
    11 AM → 1:53 PM
    GO
    Dry conditions across the window
    72° / 52°F
    4 mph · SWgust 10
    0.00 in
    ↓ -2.1 hPa
  5. Fri · Oct 30
    5:37 AM → 8 AM
    GO
    Dry conditions across the window
    63° / 52°F
    5 mph · SWgust 16
    0.00 in
    ↑ +4.1 hPa
  6. Sat · Oct 31
    11:05 AM → 2 PM
    GO
    Dry conditions across the window
    64° / 46°F
    4 mph · NWgust 9
    0.00 in
    → +0.4 hPa
  7. Sun · Nov 1
    4 AM → 5:50 AM
    GO
    Dry conditions across the window
    72° / 45°F
    4 mph · NEgust 6
    0.00 in
    ↓ -0.4 hPa

Last 3 days

Recent context — what just happened

Pressure
Steady
+4.0 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
4 mph · gust 14 · NW
Temperature
Warmer
+0.9°F over 72h72–48°F range

Weather-only read: the call comes from forecast weather alone. NOAA tide predictions never change the call — they only narrow the window shown above to the hours when the tide is moving. 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. Tide predictions by NOAA.