Lower Columbia River
Base rotation
TIDE PLAN READYLarge exchange 9.9 ft
Daily center near RM 9.4
Base the rotation around Checkerboard near RM 9.4 for this 9.9 ft large exchange.
At Checkerboard, start with a spinner or SpinFish and tune weight or boat speed so the presentation fishes cleanly; bait...
A 9.9 ft large exchange favors a lower-river rotation toward the mouth from Checkerboard, moving upriver toward high slack...
Move with the tide
Times are Pacific local time.
5:00 AM - 5:09 AM
High slack
RM 11.4
During 5:00 AM - 5:09 AM at Desdemona Sands, slow a spinner or SpinFish through the turn near RM 11.4; bait remains a valid alternative.
Follow the first ebb downriver from Desdemona Sands when marks stop holding near RM 11.4.
During high slack from 5:00 AM - 5:09 AM, center on Desdemona Sands near RM 11.4, with Church Hole / Red Roof as the nearby option. This is the upriver turn for today's 9.9 ft exchange.
5:09 AM - 10:19 AM
Ebb (outgoing)
RM 10.6
During 5:09 AM - 10:19 AM at Desdemona Sands, start with a spinner or SpinFish and tune weight and boat speed to hold RM 10.6; bait remains a valid alternative.
Move one zone downriver from Desdemona Sands when the ebb strengthens or marks leave RM 10.6.
From 5:09 AM - 10:19 AM on the ebb (outgoing), work Desdemona Sands near RM 10.6, with Green line as the nearby option. On this 9.9 ft exchange, step downriver as the outgoing current builds.
10:19 AM - 11:49 AM
Low slack
RM 7.5
During 10:19 AM - 11:49 AM at Chinook, slow a spinner or SpinFish through the turn near RM 7.5; bait remains a valid alternative.
Hold near Chinook, then work one zone upriver when the flood establishes above RM 7.5.
During low slack from 10:19 AM - 11:49 AM, reset around Chinook near RM 7.5, with Hammond as the nearby option. This is the lower turn for today's 9.9 ft exchange.
11:49 AM - 5:05 PM
Flood (incoming)
RM 7.6
During 11:49 AM - 5:05 PM at Hammond, start with a spinner or SpinFish and tune weight and boat speed to hold RM 7.6; bait remains a valid alternative.
Move one zone upriver from Hammond when the flood strengthens or marks leave RM 7.6.
From 11:49 AM - 5:05 PM on the flood (incoming), work Hammond near RM 7.6, with Red can line as the nearby option. This 9.9 ft exchange calls for working upriver as the incoming current builds.
5:05 PM - 6:35 PM
High slack
RM 11.4
During 5:05 PM - 6:35 PM at Desdemona Sands, slow a spinner or SpinFish through the turn near RM 11.4; bait remains a valid alternative.
Follow the first ebb downriver from Desdemona Sands when marks stop holding near RM 11.4.
During high slack from 5:05 PM - 6:35 PM, center on Desdemona Sands near RM 11.4, with Church Hole / Red Roof as the nearby option. This is the upriver turn for today's 9.9 ft exchange.
6:35 PM - 9:00 PM
Ebb (outgoing)
RM 10.6
During 6:35 PM - 9:00 PM at Desdemona Sands, start with a spinner or SpinFish and tune weight and boat speed to hold RM 10.6; bait remains a valid alternative.
Move one zone downriver from Desdemona Sands when the ebb strengthens or marks leave RM 10.6.
From 6:35 PM - 9:00 PM on the ebb (outgoing), work Desdemona Sands near RM 10.6, with Green line as the nearby option. On this 9.9 ft exchange, step downriver as the outgoing current builds.
Named zones are approximate planning references.
Use current charts and navigation aids on the water. This image is not a navigation chart.