Oak Harbor, WA

Island County





Bluff Overview

Bluff height: >80'

Bluff sediment type/geology:

  • Sand
  • Gravels
  • Cobbles
  • Rock
  • Mixed

Bluff vegetation:

  • None
  • Grasses

Groundwater seeps?: No

Profile shape: Vertical

Profile

Bluff undercut?: No

Bluff slide deposits?: Yes

Slide Deposits

Slide deposit height: 20-30'ft

Slide deposit width: 50-60'ft

Slide deposit depth: 10-20'ft

Slide deposit composition:

  • Mud
  • Sand
  • Gravels
  • Mixed

Upper beach composition:

  • Cobbles

Is the slide wet or dry?: Wet

What is the slide wet from?: Rain

Portion of bluff that slide deposit came from: Middle

Does the slide deposit material match material observed in the bluff above?: No

Where is the change obvious?: Material is being added to the top

Estimated distance from scarp edge to reference feature: 70-80'

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

What sediment sizes are present at the beach?:

  • Gravels
  • Cobbles
  • Rock


03/25/2026 | 5:29 pm

Tidal Overview

7 hours 50 minutes before high tide

Data from Crescent Harbor, N. Whidbey Island (5.3 miles away)

High Tide (Predicted): 1:19 am, 10.7' MLLW

Observed Predicted water level Report time

Weather Overview

Wind Speed: 16.1 MPH

Wind Direction: NW (306°)

Temperature: 47℉

Rainfall (Calendar Day): 0.001"

Rainfall (Past 24 Hours): 0.05"

(Click here for full weather details)



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