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Strait of Juan de Fuca
Sentinel-2 image of the Strait of Juan de Fuca
Strait of Juan de FucaShow map of Strait of Juan de FucaStrait of Juan de FucaShow map of Washington (state)Strait of Juan de FucaShow map of North America
Location	British Columbia and Washington
Coordinates	48°13′30″N 123°33′30″W / 48.22500°N 123.55833°W / 48.22500; -123.55833
Type	Strait
Part of	Salish Sea
Basin countries	Canada and United States
Max. length	96 mi (83 nmi; 154 km)
Max. width	12 to 25 mi (10 to 22 nmi; 19 to 40 km)
Average depth	100 m (330 ft)

The Strait of Juan de Fuca (officially named Juan de Fuca Strait in Canada) is a body of water about 96 miles (83 nmi; 154 km) long that is the Salish Sea's main outlet to the Pacific Ocean. The international boundary between Canada and the United States runs down the centre of the Strait.

It was named in 1787 by the maritime fur trader Charles William Barkley, captain of Imperial Eagle, for Juan de Fuca, the Greek navigator who sailed in a Spanish expedition in 1592 to seek the fabled Strait of Anián. Barkley was the first recorded person to find the strait, unless Juan de Fuca's story was true. The strait was explored in detail between 1789 and 1791 by Manuel Quimper, José María Narváez, Juan Carrasco, Gonzalo López de Haro, and Francisco de Eliza.

Definition

The United States Geological Survey defines the Strait of Juan de Fuca as a channel. It extends east from the Pacific Ocean between Vancouver Island, British Columbia, and the Olympic Peninsula, Washington, to Haro Strait, San Juan Channel, Rosario Strait, and Puget Sound. The Pacific Ocean boundary is formed by a line between Cape Flattery and Tatoosh Island, Washington, and Carmanah Point (Vancouver Island), British Columbia. Its northern boundary follows the shoreline of Vancouver Island from Carmanah Point to Gonzales Point, then follows a continuous line east to Seabird Point (Discovery Island), British Columbia, Cattle Point (San Juan Island), Washington, Iceberg Point (Lopez Island), Point Colville (Lopez Island), and then to Rosario Head (Fidalgo Island). The eastern boundary runs south from Rosario Head across Deception Pass to Whidbey Island, then along the western coast of Whidbey Island to Point Partridge, then across Admiralty Inlet to Point Wilson (Quimper Peninsula). The northern coast of the Olympic Peninsula forms the southern boundary of the strait. In the eastern entrance to the Strait, the Race Rocks Archipelago is in the high current zone halfway between Port Angeles, Washington, and Victoria, BC.

Climate

Like the rest of the Salish Sea and surrounding regions, the climate of the Strait is disputed, with the Köppen system classifying it as Mediterranean, but most regional climatologists preferring oceanic. While the climate is mostly oceanic in nature, the dry summers result in the Mediterranean classification in the Köppen system. Rainfall ranges from over 100 inches (250 cm) (temperate rainforest) conditions at the west end to as little as 16 inches (410 mm) at the east end, near Sequim.

Because it is exposed to the generally westerly winds and waves of the Pacific, seas and weather in Juan de Fuca Strait are, on average, rougher than in the more protected waters inland, thereby resulting in a number of small-craft advisories, gale warnings, and storm warnings.

Ferries

An international vehicle ferry, the MV Coho, crosses the Strait from Port Angeles, Washington, to Victoria, British Columbia, several times each day. It began operating in 1959, replacing an earlier ferry, and remains privately owned; the Coho carried 475,000 passengers and 130,000 vehicles in 2018. A passenger-only ferry on the same route, named the Victoria Express, operated from 1990 to 2011. Victoria is also the terminus of the Victoria Clipper, a passenger-only ferry from Seattle. Sidney, located northeast of Victoria, is served by a seasonal extension the Washington State Ferries system's route serving the San Juan Islands and Anacortes, Washington.

Boundary dispute

This strait remains the subject of a maritime boundary dispute between Canada and the United States. The dispute is only over the seaward boundary extending 200 nautical miles (370 km) west from the mouth of the strait. The maritime boundary within the strait is not in dispute. Both governments have proposed a boundary based on the principle of equidistance, but with different basepoint selections, resulting in small differences in the line. Resolution of the issue should be simple, but has been hindered because it might influence other unresolved maritime boundary issues between Canada and the United States. In addition, the government of British Columbia has rejected both equidistant proposals, instead arguing that the Juan de Fuca submarine canyon is the appropriate "geomorphic and physiogeographic boundary". The proposed equidistant boundary currently marks the northern boundary of the Olympic Coast National Marine Sanctuary. British Columbia's position is based on the principle of natural prolongation which developed in international law. It poses a dilemma for the federal government of Canada. If Canada holds that the principle of natural prolongation applies to the Juan de Fuca Canyon on its Pacific Ocean coast, the assertion could undermine Canada's argument in the Gulf of Maine boundary dispute. In this Atlantic Ocean context, Canada favours an outcome based on the principle of equidistance.

Salish Sea

In March 2008, the Chemainus First Nation proposed renaming the strait the "Salish Sea", an idea that reportedly met with approval by British Columbia's Aboriginal Relations Minister Mike de Jong, who pledged to put it before the BC cabinet for discussion. Making Salish Sea official required a formal application to the Geographical Names Board of Canada. A parallel American movement promoting the name had a different definition, combining of the Strait of Juan de Fuca and Puget Sound as well as the Strait of Georgia and related waters under the more general name Salish Sea. This latter definition was made official in 2009 by geographic boards of Canada and the United States.

In October 2009, the Washington State Board of Geographic Names approved the Salish Sea toponym, not to replace the names of the Strait of Georgia, Puget Sound, and Strait of Juan de Fuca, but instead as a collective term for all three. The British Columbia Geographical Names Office passed a resolution only recommending that the name be adopted by the Geographical Names Board of Canada, should its US counterpart approve the name-change. The United States Board on Geographic Names approved the name on November 12, 2009.

Counties and regional districts

Counties along the Strait of Juan de Fuca:

• Clallam County, Washington
• Jefferson County, Washington
• Island County, Washington
• Skagit County, Washington
• San Juan County, Washington
• Whatcom County, Washington

Regional districts along the Strait of Juan de Fuca:

• Capital Regional District, British Columbia
• Cowichan Valley Regional District

Fauna

Certain groups of seabirds called common murre migrate north by swimming. Some Pacific Coast murres paddle north to the sheltered bays of the Strait of Juan de Fuca to feed on herring and other small fish.

Humpback whales can be observed near the western end of the Strait of Juan de Fuca, mostly from June to November, especially in areas near Neah Bay and La Push. There is a resident (non-nomadic) population of killer whale in the Strait and surrounding waters, where they feed on spawning Chinook salmon. The migrating, so-called "transient" populations of killer whale often prey on the California sea lion and Steller's sea lion, in addition to the gray whale, another cetacean with both residential and nomadic groups in the Strait. As migratory gray whales swim between Baja California and Alaska each year, they will often be seen in the Strait of Juan de Fuca, feeding on small marine creatures on the seafloor, and using the Strait as a sort of "rest stop" on their long journeys. They also socialize with and encounter the local, non-migratory gray whales in the Strait; from a conservation standpoint, this is vital for the whales' ability to meet potential new mates, form new bonds, and ultimately create new bloodlines. This yearly influx of whales is best observed between March and May, at the peak of the migration times.

See also

• Graveyard of the Pacific
• Juan de Fuca Canyon
• List of areas disputed by the United States and Canada
• Marilyn Bell
• Oregon boundary dispute
• Race Rocks Marine Protected Area
• Pig War (San Juan Islands Dispute)
• Swinomish Channel
• Strait of Juan de Fuca laser incident

References

1. "Nautical Charts Online - View details of Chart 18400, Strait of Georgia and Strait of Juan de Fuca". www.nauticalchartsonline.com. Retrieved 2020-09-27.
2. "Juan de Fuca Strait". BC Geographical Names.
3. ^ U.S. Geological Survey Geographic Names Information System: Strait of Juan de Fuca
4. While U.S. Geological Survey Geographic Names Information System: Strait of Juan de Fuca says John Meares named the strait in 1788, most sources say it was Barkley in 1787, for example: "Juan de Fuca Strait". BC Geographical Names.; Existence of the Strait of Juan de Fuca confirmed by Captain Charles Barkley, Washington Secretary of State; Hayes, Derek (1999). Historical Atlas of the Pacific Northwest: Maps of exploration and Discovery. Sasquatch Books. p. 16. ISBN 1-57061-215-3. online at Google Books; and Pethick, Derek (1980). The Nootka Connection: Europe and the Northwest Coast 1790–1795. Vancouver: Douglas & McIntyre. pp. 24. ISBN 0-88894-279-6. It is well established that Meares tried to take credit for much of Barkley's work.
5. "SEQUIM 2 E, WASHINGTON".
6. Watts, Richard (December 30, 2016). "At 57, dependable Coho sails on". Times Colonist. Retrieved March 2, 2022.
7. Duffy, Andrew (June 21, 2019). "Coho starts summer schedule, 4 sailings a day". Times Colonist. Retrieved March 2, 2022.
8. Duffy, Andrew A. (March 4, 2011). "City loses Express ferry service". Times Colonist. p. B1. Retrieved March 2, 2022 – via Newspapers.com.
9. Jackson, Kristin (February 11, 2012). "How to travel between Seattle, Victoria and Vancouver, B.C." The Seattle Times. Retrieved March 2, 2022.
10. Charney, Jonathan I.; David A. Colson; Robert W. Smith (2005). International maritime boundaries. Martinus Nijhoff. p. 3403. ISBN 978-90-04-14461-3.
11. The Alaska Boundary Dispute: History and International Law Archived 2008-12-18 at the Wayback Machine, by Tony Fogarassy, page 3; citing Office of the Premier, Province of British Columbia, Submission of the Province of British Columbia on West Coast Maritime Boundaries Between Canada and the United States (1977). A map of the Juan de Fuca Canyon is available at Map of Known Deep Corals in and around the Olympic Coast National Marine Sanctuary, NOAA Ocean Explorer
12. McRae, Donald Malcolm; Gordon Ross Munro (1989). Canadian Oceans Policy: National Strategies and the New Law of the Sea. UBC Press. pp. 151–152. ISBN 978-0-7748-0346-5.
13. Johnston, Douglas M.; Mark J. Valencia (1991). Pacific Ocean Boundary Problems: Status and Solutions. Martinus Nijhoff. p. 102. ISBN 978-0-7923-0862-1.
14. "Strait of Georgia could be renamed Salish Sea". Canadian Press. CBC.ca. 2008-03-09. Retrieved 2008-03-10.
15. Howard Macdonald Stewart, 2017. Views of the Salish Sea: One Hundred and Fifty Years of Change around the Strait of Georgia. Harbour Publishing Company Limited. pp. 13–15. ISBN 978-1-55017-804-3.
16. ^ "STATE BOARD ON GEOGRAPHIC NAMES APPROVES 'SALISH SEA'". 2009-10-30. Archived from the original on 2013-10-30.
17. "Washington state adopts "Salish Sea" name for body of water including Strait of Georgia, Carlito Pablo, Georgia Straight, October 30, 2009". 30 October 2009.
18. Berger, Knute (October 20, 2009). "Smooth Sailing for the Salish Sea?". Crosscut. Archived from the original on January 5, 2010. Retrieved August 13, 2011.
19. Berger, Knute (November 12, 2009). "U.S. approves Salish Sea name". Crosscut. Archived from the original on February 27, 2010. Retrieved August 13, 2011.
20. "Olympic coast whales". My Olympic Park. 24 December 2020.

External links

• View the Strait of Juan de Fuca by remote camera 5 from Race Rocks
• discoveryisland.ca – Discovery Island a small island in the Strait of Juan de Fuca off of Victoria BC Canada with a rich history From first nations to early settlers to present times.
• A live weather station of the Race Rocks

• Strait of Juan de Fuca
• Canada–United States border disputes
• Bodies of water of Clallam County, Washington
• Disputed waters
• Straits of Washington (state)
• Southern Vancouver Island
• Bodies of water of Vancouver Island
• International straits
• Straits of British Columbia
• Bodies of water of Jefferson County, Washington
• Bodies of water of Island County, Washington
• Straits of San Juan County, Washington
• Capital Regional District