Training almanac
River Orwell (training)
Fictional training data, 2026. Times UT, heights in metres above chart datum. Not for navigation.
Tide tables
Harwich — standard port
May 2026
1
| 0504 | 0.4 | LW |
| 1134 | 3.9 | HW |
| 1717 | 0.6 | LW |
| 2346 | 3.8 | HW |
2
| 0537 | 0.5 | LW |
| 1209 | 3.8 | HW |
| 1750 | 0.6 | LW |
3
| 0021 | 3.8 | HW |
| 0607 | 0.6 | LW |
| 1238 | 3.7 | HW |
| 1820 | 0.6 | LW |
4
| 0053 | 3.8 | HW |
| 0634 | 0.7 | LW |
| 1304 | 3.7 | HW |
| 1850 | 0.6 | LW |
5
| 0124 | 3.7 | HW |
| 0703 | 0.7 | LW |
| 1332 | 3.7 | HW |
| 1923 | 0.6 | LW |
6
| 0159 | 3.7 | HW |
| 0735 | 0.8 | LW |
| 1406 | 3.7 | HW |
| 2000 | 0.7 | LW |
7
| 0237 | 3.6 | HW |
| 0811 | 0.9 | LW |
| 1446 | 3.6 | HW |
| 2042 | 0.8 | LW |
8
| 0321 | 3.4 | HW |
| 0852 | 1.1 | LW |
| 1532 | 3.4 | HW |
| 2132 | 0.9 | LW |
9
| 0412 | 3.3 | HW |
| 0943 | 1.2 | LW |
| 1627 | 3.2 | HW |
| 2239 | 1.0 | LW |
10
| 0512 | 3.2 | HW |
| 1057 | 1.4 | LW |
| 1732 | 3.1 | HW |
11
| 0000 | 0.9 | LW |
| 0620 | 3.2 | HW |
| 1232 | 1.3 | LW |
| 1841 | 3.2 | HW |
12
| 0107 | 0.8 | LW |
| 0729 | 3.3 | HW |
| 1335 | 1.2 | LW |
| 1946 | 3.3 | HW |
13
| 0204 | 0.7 | LW |
| 0833 | 3.5 | HW |
| 1428 | 1.0 | LW |
| 2046 | 3.5 | HW |
14
| 0256 | 0.5 | LW |
| 0928 | 3.7 | HW |
| 1517 | 0.8 | LW |
| 2140 | 3.7 | HW |
15
| 0345 | 0.4 | LW |
| 1018 | 3.9 | HW |
| 1603 | 0.6 | LW |
| 2230 | 3.9 | HW |
16
| 0430 | 0.3 | LW |
| 1105 | 4.0 | HW |
| 1649 | 0.5 | LW |
| 2318 | 4.0 | HW |
17
| 0514 | 0.3 | LW |
| 1150 | 4.0 | HW |
| 1734 | 0.4 | LW |
18
| 0005 | 4.1 | HW |
| 0557 | 0.3 | LW |
| 1234 | 4.0 | HW |
| 1821 | 0.3 | LW |
19
| 0053 | 4.2 | HW |
| 0641 | 0.4 | LW |
| 1319 | 4.0 | HW |
| 1908 | 0.3 | LW |
20
| 0142 | 4.1 | HW |
| 0726 | 0.6 | LW |
| 1406 | 3.9 | HW |
| 1959 | 0.3 | LW |
21
| 0234 | 4.0 | HW |
| 0814 | 0.8 | LW |
| 1455 | 3.7 | HW |
| 2054 | 0.4 | LW |
22
| 0330 | 3.8 | HW |
| 0907 | 1.0 | LW |
| 1550 | 3.5 | HW |
| 2158 | 0.5 | LW |
23
| 0433 | 3.6 | HW |
| 1011 | 1.2 | LW |
| 1654 | 3.4 | HW |
| 2311 | 0.6 | LW |
24
| 0541 | 3.5 | HW |
| 1130 | 1.3 | LW |
| 1801 | 3.4 | HW |
25
| 0023 | 0.6 | LW |
| 0648 | 3.5 | HW |
| 1243 | 1.3 | LW |
| 1905 | 3.4 | HW |
26
| 0125 | 0.6 | LW |
| 0749 | 3.5 | HW |
| 1344 | 1.2 | LW |
| 2004 | 3.5 | HW |
27
| 0220 | 0.6 | LW |
| 0845 | 3.6 | HW |
| 1439 | 1.0 | LW |
| 2100 | 3.6 | HW |
28
| 0309 | 0.6 | LW |
| 0936 | 3.7 | HW |
| 1528 | 0.9 | LW |
| 2151 | 3.7 | HW |
29
| 0352 | 0.6 | LW |
| 1023 | 3.7 | HW |
| 1613 | 0.7 | LW |
| 2238 | 3.7 | HW |
30
| 0431 | 0.7 | LW |
| 1105 | 3.7 | HW |
| 1653 | 0.7 | LW |
| 2320 | 3.7 | HW |
31
| 0507 | 0.7 | LW |
| 1142 | 3.7 | HW |
| 1730 | 0.7 | LW |
| 2359 | 3.7 | HW |
Mean ranges: springs 3.6 m, neaps 2.3 m.
Secondary port
Ipswich — differences
| HW time | +15 min (sp) / +25 min (np) |
| LW time | +0 min (sp) / +10 min (np) |
| Heights | MHWS 0.2 · MHWN 0 · MLWN -0.1 · MLWS -0.1 |
Tidal streams
Referred to HW Harwich
Set °T · rates kn neaps / springs
| Hr | Set | Np / Sp |
|---|---|---|
| -6 | 030° | 0.7 / 1.3 |
| -5 | 205° | 0.3 / 0.6 |
| -4 | 210° | 0.8 / 1.5 |
| -3 | 215° | 1.0 / 1.9 |
| -2 | 210° | 0.9 / 1.7 |
| -1 | 205° | 0.6 / 1.2 |
| 0 | 200° | 0.3 / 0.5 |
| +1 | 030° | 0.4 / 0.8 |
| +2 | 025° | 0.8 / 1.5 |
| +3 | 030° | 1.0 / 1.8 |
| +4 | 035° | 0.9 / 1.6 |
| +5 | 030° | 0.6 / 1.1 |
| +6 | 030° | 0.3 / 0.6 |
| Hr | Set | Np / Sp |
|---|---|---|
| -6 | 140° | 0.4 / 0.8 |
| -5 | 320° | 0.2 / 0.4 |
| -4 | 320° | 0.6 / 1.1 |
| -3 | 320° | 0.8 / 1.4 |
| -2 | 315° | 0.7 / 1.3 |
| -1 | 320° | 0.4 / 0.8 |
| 0 | 320° | 0.2 / 0.3 |
| +1 | 140° | 0.3 / 0.6 |
| +2 | 140° | 0.6 / 1.2 |
| +3 | 135° | 0.8 / 1.5 |
| +4 | 140° | 0.7 / 1.3 |
| +5 | 140° | 0.5 / 0.9 |
| +6 | 140° | 0.3 / 0.5 |