물때 타이드
조수 관측소
Hookton Slough
North Spit, Humboldt Bay
Samoa
Shelter Cove
해류 관측소
Humboldt Bay Entr., 0.1nm NE of South Spit Light
Humboldt Bay Entrance Channel
Humboldt Bay Entrance Channel LB 9
Humboldy Bay Bar Channel, 0.4 nm WNW of
South Spit, 0.1 n.mi. E of