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
August 2026
1
| 0116 | 3.7 | HW |
| 0650 | 0.8 | LW |
| 1321 | 3.8 | HW |
| 1922 | 0.5 | LW |
2
| 0148 | 3.8 | HW |
| 0723 | 0.8 | LW |
| 1351 | 3.8 | HW |
| 1956 | 0.4 | LW |
3
| 0223 | 3.8 | HW |
| 0758 | 0.8 | LW |
| 1423 | 3.8 | HW |
| 2029 | 0.4 | LW |
4
| 0301 | 3.8 | HW |
| 0835 | 0.8 | LW |
| 1500 | 3.8 | HW |
| 2104 | 0.5 | LW |
5
| 0344 | 3.7 | HW |
| 0917 | 0.8 | LW |
| 1542 | 3.8 | HW |
| 2146 | 0.6 | LW |
6
| 0432 | 3.5 | HW |
| 1005 | 1.0 | LW |
| 1632 | 3.6 | HW |
| 2236 | 0.8 | LW |
7
| 0530 | 3.4 | HW |
| 1104 | 1.1 | LW |
| 1739 | 3.4 | HW |
| 2345 | 1.0 | LW |
8
| 0638 | 3.2 | HW |
| 1223 | 1.2 | LW |
| 1901 | 3.3 | HW |
9
| 0121 | 1.1 | LW |
| 0754 | 3.2 | HW |
| 1356 | 1.1 | LW |
| 2027 | 3.4 | HW |
10
| 0242 | 1.1 | LW |
| 0911 | 3.4 | HW |
| 1518 | 0.9 | LW |
| 2144 | 3.6 | HW |
11
| 0346 | 0.9 | LW |
| 1016 | 3.7 | HW |
| 1623 | 0.6 | LW |
| 2245 | 3.9 | HW |
12
| 0438 | 0.8 | LW |
| 1110 | 3.9 | HW |
| 1715 | 0.3 | LW |
| 2337 | 4.1 | HW |
13
| 0523 | 0.7 | LW |
| 1158 | 4.1 | HW |
| 1801 | 0.1 | LW |
14
| 0024 | 4.2 | HW |
| 0606 | 0.7 | LW |
| 1241 | 4.2 | HW |
| 1844 | 0.1 | LW |
15
| 0108 | 4.2 | HW |
| 0646 | 0.7 | LW |
| 1322 | 4.2 | HW |
| 1924 | 0.1 | LW |
16
| 0149 | 4.1 | HW |
| 0724 | 0.7 | LW |
| 1401 | 4.1 | HW |
| 2002 | 0.2 | LW |
17
| 0228 | 4.0 | HW |
| 0801 | 0.8 | LW |
| 1437 | 4.0 | HW |
| 2038 | 0.4 | LW |
18
| 0305 | 3.8 | HW |
| 0835 | 0.9 | LW |
| 1513 | 3.9 | HW |
| 2113 | 0.6 | LW |
19
| 0340 | 3.6 | HW |
| 0911 | 1.0 | LW |
| 1551 | 3.7 | HW |
| 2150 | 0.8 | LW |
20
| 0417 | 3.5 | HW |
| 0953 | 1.1 | LW |
| 1636 | 3.5 | HW |
| 2239 | 1.1 | LW |
21
| 0501 | 3.3 | HW |
| 1051 | 1.3 | LW |
| 1732 | 3.3 | HW |
| 2354 | 1.3 | LW |
22
| 0556 | 3.2 | HW |
| 1222 | 1.4 | LW |
| 1843 | 3.1 | HW |
23
| 0109 | 1.3 | LW |
| 0707 | 3.1 | HW |
| 1356 | 1.3 | LW |
| 2025 | 3.1 | HW |
24
| 0214 | 1.3 | LW |
| 0852 | 3.2 | HW |
| 1506 | 1.1 | LW |
| 2134 | 3.4 | HW |
25
| 0311 | 1.2 | LW |
| 0952 | 3.5 | HW |
| 1558 | 0.9 | LW |
| 2224 | 3.6 | HW |
26
| 0359 | 1.0 | LW |
| 1039 | 3.7 | HW |
| 1636 | 0.7 | LW |
| 2307 | 3.8 | HW |
27
| 0439 | 0.9 | LW |
| 1119 | 3.8 | HW |
| 1711 | 0.6 | LW |
| 2346 | 3.9 | HW |
28
| 0515 | 0.8 | LW |
| 1155 | 3.8 | HW |
| 1745 | 0.5 | LW |
29
| 0019 | 3.9 | HW |
| 0551 | 0.8 | LW |
| 1227 | 3.8 | HW |
| 1820 | 0.4 | LW |
30
| 0051 | 3.9 | HW |
| 0625 | 0.7 | LW |
| 1256 | 3.9 | HW |
| 1853 | 0.4 | LW |
31
| 0123 | 3.9 | HW |
| 0659 | 0.7 | LW |
| 1325 | 3.9 | HW |
| 1926 | 0.4 | LW |
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 |