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
November 2026
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 |