South Purchase Swamp

Plymouth County, MA

MAYBEConfidence · Medium
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
Main risk
a front passing through

MAYBE on South Purchase Swamp — 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).

Next forecast window
MAYBE

Fri · Sep 11, Now → 8 AM (America/New_York)

Full read

The latest cached fishing-weather read for South Purchase Swamp in Plymouth County, MA is MAYBE. 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, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 7 mph out of the west, gusting to 17 mph; surface pressure near 1009 hPa on a rising trend; 0.00 inches of rain; and air temperature near 70 °F with overcast dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:30 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, 1:30 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

W · gust 17

Rain / Weather
0in

Overcast

Temp
70°F

21°C · hum 49%

Pressure
29.80inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    90° / 72°F
    11 mph · Wgust 43
    0.00 in
    ↓ -2.8 hPa
  2. Fri · Sep 11
    Now → 8 AM
    MAYBE
    A front passing through
    79° / 63°F
    6 mph · NWgust 18
    0.00 in
    ↑ +7.2 hPa
  3. Sat · Sep 12
    8 AM → 12 PM
    MAYBE
    A front passing through
    77° / 55°F
    3 mph · Egust 17
    0.00 in
    ↑ +1.5 hPa
  4. Sun · Sep 13
    2 PM → 6 PM
    MAYBE
    A front passing through
    72° / 66°F
    7 mph · SEgust 21
    0.00 in
    ↓ -5.3 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    73° / 57°F
    5 mph · Wgust 22
    0.00 in
    ↑ +9.9 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    72° / 55°F
    3 mph · NEgust 22
    0.00 in
    ↓ -0.9 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    82° / 64°F
    8 mph · SWgust 27
    0.00 in
    ↓ -3.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
-0.9 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
6 mph · gust 36 · W
Temperature
Warmer
+14.6°F over 72h81–52°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.