Time in hours between major ports

T
W
O

H
A
R
B
O
R
S

T
O
R
O
N
T
O

T
O
L
E
D
O

T
H
U
N
D
E
R

B
A
Y

S
O
O

L
O
C
K
S

S
I
L
V
E
R

B
A
Y

Q
U
E
B
E
C

C
I
T
Y

P
O
R
T

W
E
L
L
E
R

P
O
R
T

H
U
R
O
N

M
O
N
T
R
E
A
L

M
I
L
W
A
U
K
E
E

M
A
R
Q
U
E
T
T
E

M
A
C

B
R
I
D
G
E

L
O
R
A
I
N

K
E
E
W
E
E
N
A
W

H
O
L
L
A
N
D

G
R
E
E
N

 B
A
Y

G
R
A
N
D

H
A
V
E
N

E
S
C
A
N
A
B
A

D
U
L
U
T
H

D
E
T
R
O
I
T

C
O
N
N
E
A
U
T

C
L
E
V
E
L
A
N
D

B
U
F
F
A
L
O

ASHTABULA

59

17

8

51

34

55

58

15

16

7

45

49

45

33

55

52

42

50

43

59

10

57

7

BUFFALO

66

11

15

58

41

62

53

10

23

2

40

56

52

40

62

58

49

57

50

66

17

3

5

64

CHICAGO/GARY

54

74

53

46

29

50

110

72

41

64

97

40

24

54

46

19

54

47

58

55

CLEVELAND

56

19

6

49

32

53

60

17

14

9

47

47

43

31

1

53

49

40

48

41

57

8

CONNEAUT

60

16

9

52

35

56

57

14

17

6

44

50

46

34

56

52

43

51

44

60

11

DETROIT

49

27

6

41

24

45

63

25

6

17

50

39

35

23

7

47

41

32

40

33

55

DULUTH

77

56

25

118

73

44

65

105

48

36

32

56

10

50

41

49

42

ESCANABA

40

58

39

32

15

36

96

58

27

50

83

26

10

40

32

8

GRAND HAVEN

50

68

46

42

25

46

103

65

34

57

90

36

17

47

39

GREEN BAY

43

59

38

35

18

39

95

57

26

49

82

29

9

39

31

HOLLAND

50

68

47

42

25

46

104

66

35

58

91

36

18

48

40

KEWEENAW

10

67

46

15

110

54

34

46

97

38

22

52

LORAIN

56

20

5

48

31

52

61

18

13

10

48

46

42

30

MACKINAW BRIDGE

27

50

29

34

7

28

86

48

17

40

73

16

18

MARQUETTE

63

42

11

98

60

30

52

85

34

MILWAUKEE

48

66

45

40

23

44

102

64

33

56

89

MONTREAL

96

20

53

88

71

92

13

30

66

38

PORT COLBORNE

66

10

15

58

41

62

53

8

23

PORT HURON

44

33

12

36

19

40

69

31

    Times on this page are an estimate based on:

• Welland Canal estimated at 8 hours.
• Soo Locks estimated at 30 minutes.
• Detroit, St. Clair and St. Marys  Rivers estimated at restricted speed.
• Estimates are based on open lake speed of 15 mph.
• Modern vessels may average between 12 mph and 18+mph in open water.
• Estimates exclude Fuel Stops and Abnormal Locks Delays.

PORT WELLER

74

2

23

66

49

70

45

QUEBEC CITY

109

43

68

101

84

105

SILVER BAY

73

52

21

SOO LOCKS

25

52

31

17

THUNDER BAY

69

47

TOLEDO

55

25

TORONTO

76

Copyright © 2001. By Dave Wobser      www.boatnerd.com     This material may not be published, broadcast, rewritten or redistributed.