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West Entrance

Central

Eastern Entrances

46087

46088

Smith SISW1

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Tides

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Average 8ft High to Low�Tidal Height and Current do not coincide

Currents do not always flow in opposite pairs

Adverse Currents stick the shoreline

Positive Currents aim for the middle of the channel

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NOAA Height predictor:�https://tidesandcurrents.noaa.gov/tide_predictions.html

NOAA Current predictions:�https://tidesandcurrents.noaa.gov/noaacurrents/index.html

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Weather

-Westerlies are the predominant wind, particularly in the summertime.

-Diurnal Westerlies in particular, Hot summer days.

-Southerlies in the winter time, occasional northerlies.

-Currents and Wind work together or against each other to affect sea state

-Hard to get a good forecast outside of 48 hours

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Weather Resources

UW Atmos: https://a.atmos.washington.edu/data/

Sailflow or Windalert

Different models, NAM 3km, GFS farther out

Windy

NOAA-NDBC

Grib files

NOAA, tends to very much overestimate.

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Radio Frequencies

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Channel 13 is Bridge to Bridge,especially for large commercial traffic

Seattle Traffic 5A, this is USCG, all large traffic communicates with them like Air traffic control. If you go into the Puget Sound, Bush Point is the crossover to 14

Victoria Traffic 11 is the Canadian version, the boundary does not follow the international boundary line

22A are standard USCG broadcasts

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What to look for

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Exhalation blows

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Tail flukes

Seeing tail flukes usually indicates a longer, deeper dive

Gray Whale

Humpback Whale

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Whale backs

Orcas: 18 – 29 feet long

Gray Whales: 40 - 45 feet long

Humpback Whales 45 - 55 feet long

Minke Whales 20 - 32 feet long

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Other marine mammals

Harbor Porpoise 5 - 5.5 feet long

Dall's Porpoise 6 – 6.5 feet long

Harbor Seals 5 - 6 feet long

Sea Lions 6-11 feet long

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Don’t be fooled!

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