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Tidal Station Locations and Ranges
OREGON Mean Spring Mean Tide 
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Brookings, Chetco Cove 42° 3' 124°17' 5.1 6.9 3.7
Predictions Wedderburn, Rogue River 42° 26' 124°25' 4.9 6.7 3.6
Predictions Port Orford 42° 44.4' 124°29.8' 5.21 7.28 3.97
Predictions Bandon, Coquille River 43° 07.2' 124°24.8' 5.18 7.10 3.78
Coos Bay
Predictions CHARLESTON 43° 20.7' 124°19.3' 5.69 7.62 4.11
Predictions Empire 43° 24' 124°17' 4.9 6.7 3.5
Predictions Coos Bay 43° 23' 124°13' 5.6 7.3 3.9
Umpqua River
Predictions Entrance 43° 41' 124°12' 5.1 6.9 3.7
Predictions Gardiner 43° 44' 124°7' 5.1 6.7 3.5
Predictions Reedsport 43° 42' 124°6' 5.1 6.7 3.6
Siuslaw River
Predictions Entrance 44° 1' 124°8' 5.5 7.3 4.0
Predictions Florence 43° 58' 124°6' 5.0 6.6 3.5
Predictions Waldport, Alsea Bay 44° 26' 124°4' 5.8 7.7 4.1
Predictions Drift Creek, Alsea River 44° 24.8' 123°59.4' 5.10 6.45 3.21
Yaquina Bay and River
Predictions Bar at entrance 44° 37' 124°5' 5.9 7.9 4.2
Predictions Newport 44° 38' 124°3' 6.0 8.0 4.3
Predictions Southbeach 44° 37.5' 124°02.6' 6.37 8.34 4.51
Predictions Yaquina 44° 36' 124°1' 6.2 8.2 4.4
Predictions Winant 44° 35' 124°0' 6.3 8.2 4.3
Predictions Toledo 44° 37' 123°56' 6.3 8.1 4.2
Predictions Depoe Bay 44° 48.6' 124°03.5' 6.16 8.24 4.45
Predictions Taft, Siletz Bay 44° 56' 124°1' 5.0 6.6 3.4
Predictions Kernville, Siletz River 44° 54' 124°0' 4.6 6.1 3.1
Predictions Nestucca Bay entrance 45° 10' 123°58' 5.8 7.6 4.0
Predictions Netarts, Netarts Bay 45° 25.8' 123°56.7' 5.02 6.86 3.58
Tillamook Bay
Predictions Barview 45° 34' 123°57' 5.7 7.5 3.9
Predictions Garibaldi 45° 33.3' 123°54.7' 6.10 8.15 4.37
Predictions Miami Cove 45° 33' 123°54' 5.6 7.4 3.9
Predictions Bay City 45° 31' 123°54' 5.4 7.1 3.7
Predictions Tillamook, Hoquarten Slough 45° 28' 123°51' 5.2 6.6 3.3
Nehalem River
Predictions Brighton 45° 40' 123°56' 5.9 7.8 4.1
Predictions Nehalem 45° 43' 123°53' 5.6 7.2 3.7
Predictions Seaside, 12th Avenue bridge, Necanicum River 46° 00.1' 123°55.2' 4.66 5.82 2.78
OREGON and WASHINGTON
Columbia River
Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Columbia River entrance (N. Jetty) 46° 16' 124°4' 5.6 7.5 4.0
Predictions Fort Canby, Jetty 'A', Wash. 46° 16.1' 124°02.2' 6.31 8.48 4.58
Predictions Ilwaco, Baker Bay, Wash. 46° 18' 124°2' 6.0 7.6 4.0
Predictions Chinook, Baker Bay, Wash. 46° 16' 123°57' 6.1 8.1 4.3
Predictions Hungry Harbor, Wash. 46° 16' 123°51' 6.4 8.2 4.4
Predictions Point Adams, Oreg. 46° 12' 123°57' 6.4 8.3 4.4
Predictions Hammond, Oreg. 46° 12.1' 123°56.7' 6.38 8.32 4.45
Predictions Warrenton, Skipanon River, Oreg. 46° 10' 123°55' 6.5 8.3 4.4
Predictions Astoria (Youngs Bay), Oreg. 46° 10' 123°50' 6.7 8.6 4.5
Predictions Astoria (Port Docks), Oreg. 46° 11' 123°52' 6.2 8.0 4.2
Predictions ASTORIA (Tongue Point), Oreg. 46° 12.5' 123°46.0' 6.77 8.61 4.55
Predictions Knappa, Knappa Slough 46° 11' 123°35' 6.5 8.2 4.2
Predictions Settlers Point, Oreg. 46° 10' 123°41' 6.3 8.0 4.1
Predictions Harrington Point, Wash. 46° 16' 123°39' 6.1 7.7 3.9
Predictions Skamokawa, Steamboat Slough, Wash. 46° 16' 123°27' 5.6 6.9 - -
Predictions Cathlamet, Wash. 46° 12' 123°23' 5.2 6.4 - -
Predictions Wauna, Oreg. 46° 10' 123°24' 5.2 6.3 - -
Predictions Eagle Cliff, Wash. 46° 10' 123°14' 4.5 5.5 - -
Predictions Stella, Wash. 46° 11' 123°7' 4.0 4.9 - -
Predictions Longview, Wash. 46° 6' 122°57' 3.3 4.0 - -
Predictions Kalama, Wash. 46° 0' 122°51' 2.6 3.2 - -
Predictions Saint Helens, Oreg. 45° 52' 122°48' 2.0 2.5 - -
Predictions Knapp Landing, Wash. 45° 44' 122°45' 1.5 2.0 - -
Predictions Kelley Point, Oreg. 45° 39' 122°46' 1.4 2.0 - -
Predictions St. Johns, Willamette River, Oreg. 45° 35' 122°46' 1.7 2.2 - -
Predictions Portland, Willamette River, Oreg. 45° 31' 122°40' 1.8 2.4 - -
Predictions Vancouver, Wash. 45° 37' 122°40' 1.3 1.8 - -
Predictions Ellsworth, Wash. 45° 36' 122°33' 1.0 1.4 - -
WASHINGTON Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Willapa Bay
Predictions Nahcotta 46° 30.1' 124°01.8' 7.89 10.03 5.33
Predictions Tarlatt Slough 46° 22.2' 124°00.3' 7.9 9.4 4.6
Predictions Paradise Point, Long Island 46° 28.1' 123°56.7' 8.0 10.2 5.4
Predictions Naselle River, swing bridge 46° 25.8' 123°54.2' 8.48 10.72 5.72
Predictions Naselle River, 4 miles above swing bridge 46° 23.3' 123°50.4' 8.68 10.75 5.62
Predictions Bay Center, Palix River 46° 37.4' 123°56.7' 7.07 9.21 4.94
Predictions Palix River, south fork 46° 35.2' 123°54.6' 7.17 9.28 4.90
Predictions TOKE POINT 46° 42.5' 123°57.9' 6.81 8.92 4.78
Predictions Mailboat Slough, Willapa River 46° 41.3' 123°49.0' 7.36 9.52 5.08
Predictions South Bend, Willapa River 46° 39.8' 123°47.9' 7.66 9.82 5.27
Predictions Raymond, Willapa River 46° 41.0' 123°45.3' 7.85 10.01 5.30
Grays Harbor
Predictions Westport, Point Chehalis 46° 54.5' 124°06.6' 7.04 9.16 4.91
Predictions Point Brown 46° 56.9' 124°07.7' 7.22 9.38 5.04
Predictions Bay City, South Bay 46° 51.7' 124°04.0' 7.41 9.69 5.25
Predictions Markham 46° 54.4' 123°59.9' 7.3 9.4 5.1
Predictions ABERDEEN 46° 58.1' 123°51.2' 7.94 10.11 5.44
Predictions Cosmopolis, Chehalis River 46° 58.0' 123°46.7' 8.53 10.73 5.80
Predictions Montesano, Chehalis River 46° 58.1' 123°36.0' 6.78 8.23 4.27
Predictions Point Grenville 47° 18.2' 124°16.2' 6.30 8.19 4.38
Predictions Destruction Island 47° 40' 124°29' 6.6 8.7 4.7
Predictions James Island 47° 54.4' 124°38.8' 6.22 8.21 4.42
Predictions La Push, Quillayute River 47° 54.8' 124°38.2' 6.17 8.14 4.38
Predictions Makah Bay 48° 17.8' 124°40.3' 6.56 8.83 4.79
Strait of Juan de Fuca Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Tatoosh Island, Cape Flattery 48° 23.5' 124°44.2' 5.63 8.00 4.35
Predictions NEAH BAY 48° 22.1' 124°37.0' 5.52 7.96 4.35
Predictions Sekiu, Clallam Bay 48° 15.8' 124°17.8' 4.88 7.50 4.21
Predictions Twin Rivers 48° 10.5' 123°57.0' 4.41 7.01 4.12
Predictions Crescent Bay 48° 10' 123°44' 4.1 6.7 4.1
Predictions Port Angeles 48° 07.5' 123°26.4' 4.60 7.06 4.22
Predictions Ediz Hook, Port Angeles 48° 08.4' 123°24.8' 4.08 7.01 4.28
Predictions Dungeness 48° 10' 123°7' 4.4 7.6 4.7
Predictions Sequim Bay entrance 48° 5' 123°3' 4.8 7.9 4.8
Predictions Gardiner, Discovery Bay 48° 4' 122°55' 4.8 7.9 4.8
Predictions Smith Island 48° 19' 122°50' 4.2 7.0 4.5
Predictions Point Partridge, Whidbey Island 48° 14' 122°46' 4.5 7.7 4.7
Predictions Sunset Beach, Whidbey Island 48° 17.0' 122°43.7' 4.30 7.39 4.71
Admiralty Inlet Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Admiralty Head 48° 10' 122°40' 5.2 8.4 5.1
Predictions PORT TOWNSEND 48° 06.7' 122°45.5' 5.34 8.52 5.17
Predictions Port Townsend (Point Hudson) 48° 7' 122°45' 5.3 8.6 5.2
Predictions Marrowstone Point 48° 6' 122°41' 5.6 8.8 5.3
Predictions Mystery Bay, Marrowstone Island 48° 3' 122°41' 5.0 8.2 5.0
Predictions Bush Point, Whidbey Island 48° 02.0' 122°36.4' 5.87 9.35 5.64
Predictions Oak Bay 48° 1' 122°43' 6.0 9.4 5.6
Hood Canal Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Port Ludlow 47° 55.5' 122°40.8' 6.4 9.9 5.9
Predictions Foulweather Bluff 47° 55.6' 122°37.0' 6.54 10.16 6.05
Predictions Port Gamble 47° 51.5' 122°34.8' 6.7 10.3 6.1
Predictions Lofall 47° 48.9' 122°39.4' 6.96 10.71 6.34
Predictions Bangor Wharf 47° 44.9' 122°43.6' 7.31 11.13 6.57
Predictions Zelatched Point, Dabob Bay 47° 42.7' 122°49.3' 7.6 11.5 6.7
Predictions Whitney Point, Dabob Bay 47° 45.7' 122°51.0' 7.59 11.55 6.80
Predictions Quilcene, Quilcene Bay, Dabob Bay 47° 48.0' 122°51.5' 7.59 11.38 6.74
Predictions Seabeck, Seabeck Bay 47° 38.5' 122°49.7' 7.58 11.53 6.79
Predictions Pleasant Harbor 47° 39.9' 122°54.7' 7.7 11.6 6.8
Predictions Triton Head 47° 36.2' 122°58.9' 7.61 11.38 6.69
Predictions Ayock Point 47° 30.5' 123°03.2' 7.38 11.37 6.73
Predictions Union 47° 21.5' 123°05.9' 7.86 11.84 6.93
Predictions Lynch Cove Dock 47° 25.1' 122°54.1' 8.04 12.11 7.08
Puget Sound Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Hansville 47° 55.1' 122°32.7' 6.83 10.44 6.19
Predictions Edmonds 47° 48.8' 122°23.0' 7.26 10.91 6.43
Predictions Kingston, Appletree Cove 47° 47.8' 122°29.7' 7.32 10.99 6.48
Predictions Port Jefferson 47° 44.7' 122°28.6' 7.20 10.83 6.37
Predictions Port Madison 47° 42.3' 122°31.5' 7.7 11.4 6.6
Predictions Meadow Point, Shilshole Bay 47° 41.3' 122°24.2' 7.51 11.18 6.57
Predictions Poulsbo, Liberty Bay 47° 43.5' 122°38.3' 7.99 11.73 6.85
Predictions Brownsville, Port Orchard 47° 39.2' 122°36.9' 8.04 11.82 6.93
Predictions SEATTLE (Madison St.), Elliott Bay 47° 36.3' 122°20.3' 7.66 11.36 6.67
Predictions Lockheed Shipyard, Harbor Island 47° 35.1' 122°21.7' 7.67 11.39 6.68
Predictions Duwamish Waterway, Eighth Ave. South 47° 32.1' 122°19.3' 7.5 11.1 6.4
Predictions Eagle Harbor, Bainbridge Island 47° 37.2' 122°30.9' 7.6 11.3 6.7
Predictions Port Blakely 47° 35.8' 122°30.6' 7.8 11.5 6.7
Predictions Clam Bay, Rich Passage 47° 34.5' 122°32.6' 7.78 11.46 6.71
Predictions Bremerton, Sinclair Inlet, Port Orchard 47° 33.7' 122°37.4' 8.01 11.74 6.85
Predictions Tracyton, Dyes Inlet 47° 36.6' 122°39.6' 8.4 12.0 6.9
Predictions Harper, Yukon Harbor 47° 31.4' 122°31.0' 7.9 11.6 6.7
Predictions Point Vashon, Vashon Island 47° 30.7' 122°27.8' 7.80 11.53 6.76
Predictions Des Moines, East Passage 47° 24.0' 122°19.7' 7.91 11.66 6.82
Predictions Burton, Quartermaster Hbr. (inside), Vashon I.47° 23.7' 122°27.8' 8.26 12.05 7.01
Predictions Tahlequah, Neil Pt., Dalco Passage, Vashon I. 47° 19.9' 122°30.4' 8.15 11.89 6.93
Predictions Gig Harbor 47° 20.4' 122°35.3' 8.2 11.8 6.9
Predictions Tacoma, Commencement Bay, Sitcum Waterway 47° 16.0' 122°24.8' 8.09 11.83 6.90
Predictions Tacoma Narrows Bridge 47° 16.3' 122°33.1' 8.79 12.59 7.30
Predictions Arletta, Hale Passage 47° 16.8' 122°39.1' 9.46 13.31 7.67
Predictions Horsehead Bay, Carr Inlet 47° 18.1' 122°40.9' 9.58 13.48 7.76
Predictions Wauna, Carr Inlet 47° 22.7' 122°38.4' 9.4 13.1 7.5
Predictions Home, Von Geldern Cove, Carr Inlet 47° 16.5' 122°45.5' 9.54 13.42 7.72
Predictions Steilacoom, Cormorant Passage 47° 10.4' 122°36.2' 9.59 13.48 7.77
Predictions Yoman Point, Anderson Island, Balch Passage 47° 10.8' 122°40.5' 9.61 13.47 7.75
Predictions Dupont Wharf, Nisqually Reach 47° 07.1' 122°40.0' 9.63 13.51 7.77
Predictions Longbranch, Filucy Bay 47° 12.6' 122°45.2' 9.7 13.5 7.7
Predictions Devils Head, Drayton Passage 47° 10.0' 122°45.8' 9.98 14.18 8.09
Predictions Henderson Inlet 47° 09.3' 122°50.3' 10.0 14.0 8.0
Predictions McMicken Island, Case Inlet 47° 14.8' 122°51.7' 10.00 13.96 8.01
Predictions Vaughn, Case Inlet 47° 20.5' 122°46.5' 10.2 14.1 8.1
Predictions Allyn, Case Inlet 47° 23.0' 122°49.4' 10.20 14.16 8.13
Predictions Walkers Landing, Pickering Passage 47° 16.9' 122°55.4' 10.20 14.15 8.12
Predictions Shelton, Oakland Bay 47° 12.9' 123°05.0' 10.6 14.2 7.9
Predictions Arcadia, Totten Inlet 47° 11.8' 122°56.3' 10.4 14.4 8.2
Predictions Barron Point, Little Snookum Inlet Entrance 47° 09.4' 123°00.5' 10.53 14.52 8.28
Predictions Burns Point, Totten Inlet 47° 07.3' 123°03.4' 11.0 15.0 8.5
Predictions Rocky Point, Eld Inlet 47° 04.9' 123°00.3' 10.6 14.7 8.4
Predictions Dofflemeyer Point, Boston Hbr., Budd Inlet 47° 08.5' 122°54.2' 10.35 14.37 8.27
Predictions Budd Inlet, Olympia Shoal 47° 05.9' 122°53.7' 10.46 14.48 8.30
Predictions Olympia, Budd Inlet 47° 03.6' 122°54.2' 10.48 14.56 8.31
Possession Sound and Port Susan Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Glendale, Whidbey Island 47° 56.4' 122°21.4' 7.38 11.02 6.50
Predictions Everett 47° 58.8' 122°13.4' 7.41 11.09 6.51
Predictions Marysville, Quilceda Creek 48° 02.7' 122°12.7' 7.47 10.83 6.25
Predictions Tulalip 48° 03.9' 122°17.3' 7.5 11.1 6.4
Predictions Kayak Point 48° 08.2' 122°22.1' 7.56 11.24 6.58
Predictions Stanwood, Stillaguamish River 48° 14' 122°22' 5.7 7.4 3.6
Saratoga Passage and Skagit Bay Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Sandy Point, Whidbey Island 48° 02.1' 122°22.6' 7.56 11.25 6.60
Predictions Holly Farms Harbor, Holmes Harbor, Whidbey I. 48° 01.6' 122°32.1' 7.76 11.44 6.67
Predictions Greenbank, Whidbey Island 48° 06.3' 122°34.2' 7.6 11.3 6.6
Predictions Crescent Harbor, N. Whidbey Island 48° 17' 122°37' 8.0 11.6 6.8
Predictions Coupeville, Penn Cove, Whidbey Island 48° 13.4' 122°41.4' 7.8 11.5 6.7
Predictions La Conner, Swinomish Channel 48° 23.5' 122°29.8' 6.74 10.34 6.06
Predictions Sneeoosh Point 48° 24.0' 122°32.9' 7.64 11.05 6.38
Predictions Turner Bay, Similk Bay 48° 26.7' 122°33.3' 6.98 10.34 5.99
Predictions Ala Spit, Whidbey Island 48° 23.8' 122°35.2' 6.9 10.5 6.1
Predictions Yokeko Point, Deception Pass 48° 24.8' 122°36.9' 6.9 10.5 6.1
Predictions Cornet Bay, Deception Pass 48° 24.1' 122°37.4' 6.6 10.2 6.0
Rosario Strait, etc. Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Deception Pass St. Park, Bowman Bay, Fidalgo I.48° 24.9' 122°39.1' 4.62 7.72 4.76
Predictions Aleck Bay, Lopez Island 48° 26' 122°51' 4.2 7.4 4.6
Predictions Burrows Bay (Allan Island) 48° 28' 122°42' 5.0 8.1 4.8
Predictions Ship Harbor, Fidalgo Island 48° 30.4' 122°40.6' 4.75 8.05 4.93
Predictions Anacortes, Guemes Channel 48° 31' 122°37' 4.8 8.2 5.0
Predictions Swinomish Channel ent., Padilla Bay 48° 28' 122°31' 5.1 8.4 5.1
Predictions Armitage Island, Thatcher Pass 48° 32.1' 122°47.8' 4.91 7.84 4.78
Predictions Strawberry Bay, Cypress Island 48° 34' 122°43' 4.8 8.0 4.9
Predictions Peavine Pass 48° 36' 122°48' 5.0 8.2 4.9
Predictions Eagle Harbor, Cypress Island 48° 35' 122°42' 5.0 8.2 4.9
Predictions Tide Point, Cypress Island 48° 35.2' 122°44.2' 4.88 8.08 4.86
Bellingham Bay
Predictions Chuckanut Bay 48° 40' 122°30' 5.2 8.4 5.1
Predictions Bellingham 48° 44.7' 122°29.7' 5.44 8.51 5.07
Hale Passage
Predictions Gooseberry Point 48° 43.9' 122°40.2' 5.57 8.83 5.26
Predictions Point Migley 48° 45' 122°43' 5.2 8.6 5.2
Predictions Village Point, Lummi Island 48° 43.0' 122°42.5' 5.22 8.62 5.20
Predictions Sandy Point, Lummi Bay 48° 47.4' 122°42.5' 5.50 8.97 5.18
Predictions Rosario, East Sound, Orcas Island 48° 39' 122°52' 4.9 8.1 4.9
Predictions Upright Head, Lopez Island 48° 34' 122°53' 4.6 7.8 4.8
Predictions Orcas, Orcas Island 48° 36' 122°57' 4.5 7.6 4.7
San Juan Channel
Predictions Richardson, Lopez Island 48° 26.8' 122°54.0' 4.55 7.17 4.36
Predictions Shaw Island, Ferry Terminal, Harney Channel48° 35.1' 122°55.7' 4.40 7.63 4.73
Predictions Friday Harbor, San Juan Island 48° 32.8' 123°00.6' 4.82 7.76 4.70
Strait of Georgia
Predictions Echo Bay, Sucia Islands 48° 45' 122°54' 5.2 8.6 5.2
Predictions Ferndale 48° 50' 122°43' 5.6 9.0 5.4
Predictions CHERRY POINT 48° 51.8' 122°45.5' 5.71 9.15 5.47
Predictions Blaine, Semiahmoo Bay 48° 59.5' 122°45.9' 6.01 9.53 5.67
Haro Strait
Predictions Kanaka Bay, San Juan Island 48° 29.1' 123°05.0' 4.24 7.30 4.54
Predictions Hanbury Point, Mosquito Pass, San Juan I. 48° 34.7' 123°10.4' 4.43 7.57 4.68
Predictions Roche Harbor, San Juan Island 48° 36.6' 123°09.1' 4.47 7.60 4.76
Predictions Turn Point, Stuart Island 48° 41' 123°14' 4.4 7.5 4.7
Boundary Pass
Predictions Patos Island Wharf 48° 47' 122°58' 5.3 8.6 5.2
Revised: 3 November 2008