물때 타이드
조수 관측소
Fort Eustis, James River
Huntington Park
Menchville
Newport News
해류 관측소
0.15nm WSW of Pier No.2
0.8 mile SW of shipbuilding plant
1.5 miles SW of shipbuilding plant
Deepwater Shoals
James River Entrance
Middle
Newport News Channel, west end
Newport News Shipbuilding
North end