タイドナビ
検潮所
Grimsby
Hull (Alexandra Dock)
Sunk Dredged Channel
検潮所（潮汐流）
Cleethorpes, 3.9 mi NNE of
Grant Thorold, 2 mi NE of
Marfleet, 1 mi SW of
Sunk Island, 2.5 mi SSW of
Sunk Island, 3.1 mi SE of
