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VAR 3°40′W 2020 (10′E)
VAR 3°30′W 2020 (10′E)
VAR 3°50′W 2020 (10′E)
A
B
4
0
4
0
4
0
4
0
13
6
26
3
9
2
18
0
1
9
4
0
1
1
0
1
0
7
1
9
8
6
6
5
3
6
5
8
4
9
4
8
2
1
3
0
0
7
2
3
11
1
9
7
8
9
4
1
0
8
9
7
9
3
9
3
6
8
5
8
8
9
6
1
7
6
4
4
1
7
3
0
4
3
2
9
1
7
5
5
14
7
13
1
8
6
4
2
0
7
7
9
11
6
12
1
13
2
12
9
11
9
10
9
11
6
9
7
10
0
6
9
6
1
3
6
4
0
8
3
9
9
8
9
5
6
8
2
7
5
17
1
14
6
10
4
5
3
0
3
6
8
8
9
13
7
16
3
16
8
16
3
15
3
14
5
14
5
12
5
11
7
8
8
4
7
3
4
4
7
6
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10
5
13
0
12
5
10
2
11
5
12
1
17
8
16
5
12
4
7
2
3
4
2
4
3
3
7
8
12
3
18
9
18
7
18
6
18
9
18
2
16
1
15
0
13
7
11
6
9
3
8
2
7
8
10
0
12
2
14
7
15
2
13
8
13
5
14
5
19
9
16
1
15
2
11
9
7
1
8
0
6
1
18
4
20
6
20
6
21
1
20
2
21
1
18
4
16
9
14
6
13
1
11
8
12
0
14
3
16
1
16
9
16
1
16
3
16
8
20
4
18
1
15
3
13
3
12
3
11
2
11
5
11
6
14
1
15
6
16
6
18
2
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1
20
4
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3
22
6
20
0
18
0
16
5
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2
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5
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1
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4
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9
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7
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5
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3
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7
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0
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6
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1
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6
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1
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7
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1
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6
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1
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9
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8
22
5
18
5
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0
16
8
15
8
16
4
16
6
17
4
18
8
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5
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6
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4
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1
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2
21
3
19
8
17
6
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7
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0
15
5
14
8
12
7
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3
11
9
11
0
13
7
15
3
19
9
20
2
21
4
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4
18
6
18
2
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2
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1
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3
18
7
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6
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7
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4
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7
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7
24
1
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2
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1
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9
19
6
19
1
15
2
13
1
10
6
9
5
8
1
8
2
10
5
14
4
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6
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6
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0
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9
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9
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1
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4
0
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1
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1
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0
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1
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1
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1
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3
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1
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0
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1
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0
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6
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5
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1
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2
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4
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2
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2
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9
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9
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5
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9
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3
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7
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0
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1
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2
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9
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2
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6
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6
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2
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4
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8
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9
29
0
27
3
22
2
21
2
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9
18
4
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1
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0
18
4
26
8
27
4
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7
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8
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6
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0
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7
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6
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4
Tolland Rock IDM
Fl(2) W 5s 5M
Grey Ledge N cardinal
VQ W 5M
Grey Ledge W cardinal
VQ(9) W 10s 5M
Harrow SWM
Iso W 4s 5M
Channel No.1 stbd
Fl G 5s 4M
Channel No.2 port
Gull Shoal S cardinal
VQ(6)+LFl W 10s 5M
Mere Race E cardinal
VQ(3) W 5s 5M
Outfall special
Skerra Rock beacon
Mere Ledge beacon
Skerra Head Lt
Fl(2) W 10s 42m 18M
Mere Point Lt
Oc(3) W 15s 24m 14M
Outer Gull Lt
Fl(3) W 20s 30m 15M
Harrow E Pierhead
Fl G 3s 8m 5M
Harrow W Pierhead
Fl R 3s 8m 5M
Carrow Pier Lt (sectored)
Iso WRG 4s 14m 12M
Harrow leading lt front
Q W 12m 8M
Harrow leading lt rear
Oc W 5s 22m 8M
003.1° Ldg Lts
Church spire
31 m
Chimney
48 m
Tolland Rock
1
4
Grey Ledge
0
6
Carrow Bay patch
2
1
Gull Shoal
1
8
Mere Race
Wreck
7
0
Obstruction
Cable area
Harrowmouth
Carrow Bay
Skerra Head
Mere Point
49°50′
49°50′
50°00′
50°00′
50°10′
50°10′
50°15′
50°15′
4°30′W
4°30′W
4°20′W
4°20′W
4°10′W
4°10′W
4°00′W
4°00′W
3°50′W
3°50′W
3°40′W
3°40′W
3°30′W
3°30′W
LATITUDE NORTH
SEA MILES
0
1
2
3
4
5
KILOMETRES
0
1
2
3
4
5
Valid at latitude 50°00′N. Measure distance on the latitude border
at the latitude of the line.
CHART DATUM
Chart datum is Lowest Astronomical Tide (LAT). Fictional.
Soundings: metres and decimetres to 30 m, whole metres beyond, below chart datum.
Drying heights: metres above chart datum, underlined, on green ground.
Heights of lights: metres above MHWS.
Tidal levels at Harrowmouth: MHWS 5.6 m · MHWN 4.4 · MLWN 2.0 · MLWS 0.7
Soundings from a fictional survey, 2020. CATZOC B.
TIDAL STREAMS · DIAMOND A · 49°56.0′N 004°05.0′W
Hours relative to HW Harrowmouth · set °T · rates in knots
Hours
Set
Spring
Neap
HW−6
220
1.2
0.6
HW−5
250
1.2
0.6
HW−4
280
1.3
0.6
HW−3
310
1.4
0.7
HW−2
340
1.5
0.8
HW−1
010
1.7
0.8
HW
040
1.8
0.9
HW+1
070
1.8
0.9
HW+2
100
1.8
0.9
HW+3
130
1.7
0.8
HW+4
160
1.5
0.8
HW+5
190
1.4
0.7
HW+6
220
1.3
0.6
TIDAL STREAMS · DIAMOND B · 50°00.0′N 003°50.0′W
Hours relative to HW Harrowmouth · set °T · rates in knots
Hours
Set
Spring
Neap
HW−6
255
1.8
0.9
HW−5
255
2.8
1.4
HW−4
255
3.1
1.5
HW−3
255
2.6
1.3
HW−2
255
1.5
0.8
HW−1
075
0.0
0.0
HW
075
1.5
0.8
HW+1
075
2.6
1.3
HW+2
075
3.1
1.5
HW+3
075
2.8
1.4
HW+4
075
1.8
0.9
HW+5
075
0.3
0.2
HW+6
255
1.2
0.6
HARROW-1 · FICTIONAL TRAINING CHART · NOT FOR NAVIGATION
Harrowmouth and approaches · Mercator projection · all names, positions and values invented
HARROW-1 s2026 #72c7d3