Lower Columbia River
Base rotation
TIDE PLAN READYLarge exchange 10.5 ft
Daily center near RM 8.8
Base the rotation around Checkerboard near RM 8.8 for this 10.5 ft large exchange.
At Checkerboard, start with a spinner or SpinFish and tune weight or boat speed so the presentation fishes cleanly; bait...
A 10.5 ft large exchange favors a lower-river rotation toward the mouth from Checkerboard, moving upriver toward high slack and...
Move with the tide
Times are Pacific local time.
5:00 AM - 5:12 AM
High slack
RM 10.8
During 5:00 AM - 5:12 AM at Desdemona Sands, slow a spinner or SpinFish through the turn near RM 10.8; bait remains a valid alternative.
Follow the first ebb downriver from Desdemona Sands when marks stop holding near RM 10.8.
During high slack from 5:00 AM - 5:12 AM, center on Desdemona Sands near RM 10.8, with Green line as the nearby option. This is the upriver turn for today's 10.5 ft exchange.
5:12 AM - 8:50 AM
Ebb (outgoing)
RM 10.0
During 5:12 AM - 8:50 AM at Green line, start with a spinner or SpinFish and tune weight and boat speed to hold RM 10.0; bait remains a valid alternative.
Move one zone downriver from Green line when the ebb strengthens or marks leave RM 10.0.
From 5:12 AM - 8:50 AM on the ebb (outgoing), work Green line near RM 10.0, with Desdemona Sands as the nearby option. On this 10.5 ft exchange, step downriver as the outgoing current builds.
8:50 AM - 10:20 AM
Low slack
RM 6.9
During 8:50 AM - 10:20 AM at Chinook, slow a spinner or SpinFish through the turn near RM 6.9; bait remains a valid alternative.
Hold near Chinook, then work one zone upriver when the flood establishes above RM 6.9.
During low slack from 8:50 AM - 10:20 AM, reset around Chinook near RM 6.9, with Ilwaco / Baker Bay as the nearby option. This is the lower turn for today's 10.5 ft exchange.
10:20 AM - 3:10 PM
Flood (incoming)
RM 7.0
During 10:20 AM - 3:10 PM at Chinook, start with a spinner or SpinFish and tune weight and boat speed to hold RM 7.0; bait remains a valid alternative.
Move one zone upriver from Chinook when the flood strengthens or marks leave RM 7.0.
From 10:20 AM - 3:10 PM on the flood (incoming), work Chinook near RM 7.0, with Hammond as the nearby option. This 10.5 ft exchange calls for working upriver as the incoming current builds.
3:10 PM - 4:40 PM
High slack
RM 10.8
During 3:10 PM - 4:40 PM at Desdemona Sands, slow a spinner or SpinFish through the turn near RM 10.8; bait remains a valid alternative.
Follow the first ebb downriver from Desdemona Sands when marks stop holding near RM 10.8.
During high slack from 3:10 PM - 4:40 PM, center on Desdemona Sands near RM 10.8, with Green line as the nearby option. This is the upriver turn for today's 10.5 ft exchange.
4:40 PM - 9:00 PM
Ebb (outgoing)
RM 10.0
During 4:40 PM - 9:00 PM at Green line, start with a spinner or SpinFish and tune weight and boat speed to hold RM 10.0; bait remains a valid alternative.
Move one zone downriver from Green line when the ebb strengthens or marks leave RM 10.0.
From 4:40 PM - 9:00 PM on the ebb (outgoing), work Green line near RM 10.0, with Desdemona Sands as the nearby option. On this 10.5 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.