Every gauge we read
Each one links to its own evidence page: level, movement, publisher classification, same-date history, and the authority's own forecast.
The corridor type matters more than the number. On a free-flowing stretch the level is the constraint. On a lock-held stretch it is not — the gauge is there for the high-water side. A Waterlogged clear-line is our own arithmetic: the gauge reading at which the published reference depth, minus the ship's draught and a fixed safety allowance, still leaves a comfortable margin. It is not an operator's decision rule and no cruise line uses it.
All gauges
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Free-flowing
Kaub Rhine
23 cm falling 1 centimetres over 72 hours falling 1 cm over 72 hours
low on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
70 cm below the 93 cm clear-line. Waterlogged clear-line, using an assumed 1.60 m draught.
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Held by locks
Maxau Rhine
321 cm rising 11 centimetres over 72 hours rising 11 cm over 72 hours
low on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
299 cm below the 620 cm first high-water mark (speed and wash limits, and the room under the bridges starts to run out).
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Free-flowing
Cologne Rhine
60 cm falling 8 centimetres over 72 hours falling 8 cm over 72 hours
low on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
34 cm below the 94 cm clear-line. Waterlogged clear-line, using an assumed 1.60 m draught.
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Free-flowing
Pfelling Danube
217 cm falling 1 centimetres over 72 hours falling 1 cm over 72 hours
low on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
78 cm below the 295 cm clear-line. Waterlogged clear-line, using an assumed 1.60 m draught.
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Free-flowing
Hofkirchen Danube
151 cm falling 2 centimetres over 72 hours falling 2 cm over 72 hours
low on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
61 cm below the 212 cm clear-line. Waterlogged clear-line, using an assumed 1.60 m draught.
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Free-flowing
Dresden Elbe
53 cm rising 1 centimetres over 72 hours rising 1 cm over 72 hours
low on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
77 cm below the 130 cm clear-line. Waterlogged clear-line, using an assumed 1.60 m draught. calibrated judgment
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Held by locks
Schöna Elbe
66 cm rising 1 centimetres over 72 hours rising 1 cm over 72 hours
low on mean low/high water (MNW/MHW) — the publisher's own classification of its own reading.
No official high-water mark is transcribed for this gauge from a source we have read, so none is shown. Read the authority's notices.
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Held by locks
Trier Moselle
222 cm steady over 72 hours steady over 72 hours
normal on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
No official high-water mark is transcribed for this gauge from a source we have read, so none is shown. Read the authority's notices.
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Held by locks
Cochem Moselle
215 cm falling 2 centimetres over 72 hours falling 2 cm over 72 hours
normal on mean low/high water (MNW/MHW) · normal on navigational reference levels (NSW/HSW) — the publisher's own classification of its own reading.
No official high-water mark is transcribed for this gauge from a source we have read, so none is shown. Read the authority's notices.
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Free-flowing
Budapest Danube
24 cm rising 9 centimetres over 72 hours rising 9 cm over 72 hours
126 cm below the 150 cm clear-line. Waterlogged clear-line, using an assumed 1.60 m draught. calibrated judgment
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Held by locks
Kienstock Danube
152 cm rising 19 centimetres over 72 hours rising 19 cm over 72 hours
449 cm below the 601 cm first high-water mark (speed and wash limits, and the room under the bridges starts to run out).
Where each of these comes from, and under what licence · the threshold diary · feed health.