Coupeville, WA

Island County

Bluff Report
by

12/30/2022 | 1:40 pm




"Slide happened Tuesday per friend, extended to water line, much now washed away. Mini deposits all along. Impression that time was not ashigh as east side"

Bluff Overview

Bluff height: >80'

Bluff sediment type/geology:

  • Mud
  • Sand
  • Mixed

Bluff vegetation:

  • None

Groundwater seeps?: No

Profile shape: Vertical

Profile

Bluff undercut?: No

Bluff slide deposits?: Yes

Slide Deposits

Slide deposit height: 70-80'ft

Slide deposit width: >80'ft

Slide deposit depth: 50-60'ft

Slide deposit composition:

  • Mud
  • Sand
  • Mixed

Upper beach composition:

  • Sand
  • Gravels
  • Cobbles
  • Mixed

Does the slide deposit material match material observed in the bluff above?: Yes

Does the deposit size or scarp appear to be changing?: Yes

What sediment sizes are present at the beach?:

  • Mud
  • Sand
  • Gravels
  • Cobbles
  • Mixed

12/30/2022 | 1:40 pm

Tidal Overview

3 hours 32 minutes after high tide

Data from PORT TOWNSEND (6 miles away)

Water Level (at time of report): 1:40 pm, 7.3'

High Tide (Predicted): 10:19 am, 9.4'

High Tide (Observed): 10:24 am, 11.1'

■ Observed ■ Predicted water level ⬤ Report time

Weather Overview

Wind Speed: 11 MPH

Wind Direction: SSE (153°)

Temperature: 51℉

Rainfall (Calendar Day): 0.002"

Rainfall (Past 24 Hours): 0.2"

(Click here for full weather details)





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