Tides & Currents

Question 1

Mean Range

Answer 1

4.2 to 4.8ft

Question 2

Diurnal Range

Answer 2

7 to 7.9ft

Question 3

Tide Rips

Answer 3

Tide rips occur off the prominent points and in vicinity of the banks, at times becoming dangerous to small vessels.

Question 4

Currents

Answer 4

Currents are complicated due to large daily inequality. Tables should be consulted.

Question 5

Smith Island

Answer 5

Strong currents set in and around Smith Island, especially on the flood. Deep draft vessels to stay well outside 10 fathom curve to avoid being set into danger.

Question 6

Discovery Bay Entrance

Answer 6

weak and direction variable

max 1kt on flood

Question 7

Sequim Bay

Answer 7

Strong currents that tend to follow the channel.

Question 8

Admiralty to Rosario Straight

Answer 8

Admiralty Inlet to Rosario Straight, current on flood has tendency to set towards Whidbey I.

Question 9

Deception Pass

Answer 9

Currents in the narrows of Deception Pass attain velocities in excess of 8 kts and cause strong eddies along the shores. W weather, heavy sea and swell, heavy rips form and make it dangerous to small craft.

Question 10

Unusually High Tides

Answer 10

During periods of unusually high tides, after storms or during a freshet, be cautious of free floating logs, dead heads and sinkers.