Tap a city for its water, or Tab then Enter. Straight lines join cities on different rivers.
Paris
Day 1–2 · Wed 9 – Thu 10 September · France
The ship does not sail on this day. Your itinerary spends it on land, so no river level applies to it.
Not sailing
Your itinerary spends this day on land, so the ship does not sail and no river level applies to it.
Your itinerary spends this day on land. The ship is not sailing, so no river level applies to it and no waterway notice is about it.
Reims; Trier
Day 3 · Friday 11 September
The ship does not sail on this day. Your itinerary spends it on land, so no river level applies to it.
Not sailing
Your itinerary spends this day on land, so the ship does not sail and no river level applies to it.
Your itinerary spends this day on land. The ship is not sailing, so no river level applies to it and no waterway notice is about it.
Trier; Bernkastel
Day 4 · Saturday 12 September · France
This is a real reading. There is nothing published to measure it against.
216 cm measured
Nothing is published for this stretch to measure the reading against.
| Water level now | 216 cm |
|---|---|
| Normal for 12 September | 222 cm |
Water levels are measured at the Cochem gauge – German federal waterways gauge service (PEGELONLINE).
What to check on the official page: No German federal forecast covers the Moselle. The state flood forecast centre for Rhineland-Palatinate is the one service that forecasts this gauge, and the button below opens Cochem's own page there.
Its own notice says a Cochem forecast is only possible above 241 cm, because weirs hold this water at a working level. Below that the chart shows a flat line rather than a forecast.
The risk this page is built for is high water, not low. For a day on this stretch, the thing to check is the notices — lock works and closures — rather than a level.
Open the official Cochem page (German) (opens in a new tab)Cochem
Day 5 · Sunday 13 September · Germany
This is a real reading. There is nothing published to measure it against.
216 cm measured
Nothing is published for this stretch to measure the reading against.
| Water level now | 216 cm |
|---|---|
| Normal for 13 September | 223 cm |
Water levels are measured at the Cochem gauge – German federal waterways gauge service (PEGELONLINE).
What to check on the official page: No German federal forecast covers the Moselle. The state flood forecast centre for Rhineland-Palatinate is the one service that forecasts this gauge, and the button below opens Cochem's own page there.
Its own notice says a Cochem forecast is only possible above 241 cm, because weirs hold this water at a working level. Below that the chart shows a flat line rather than a forecast.
The risk this page is built for is high water, not low. For a day on this stretch, the thing to check is the notices — lock works and closures — rather than a level.
Open the official Cochem page (German) (opens in a new tab)Koblenz
Day 6 · Monday 14 September · Germany
The measured level is under half of Waterlogged's reference line for this ship.
60 cm below Waterlogged’s reference line
That is how far today's measured level sits below the line we estimate this ship needs. The level it is measured against is our own estimate, not a figure from the cruise line.
| Water level now | 33 cm |
|---|---|
| How we calculate ship needWaterlogged estimates that a river needs to be 2.05m in depth to be navigable by river cruises. A river cruise ship has a draft of approximately 1.60m and we add an additional 0.45m above this. This number is not from official cruise line reports. Ships with smaller drafts or special permission may be able to sail in less water. The figure on the page beside this note is a gauge level, and a gauge level is the height of the water at one measuring station, read from that station's own zero. It is not the depth of the navigable channel, it is not the room left under a ship's keel, and it is not a ship's draft. Our line is a level we compare today's reading with. It is not a depth anybody has measured under your ship. | 93 cm |
| Normal for 14 September | 140 cm |
On the record: For 2015–2025, we checked the eleven days around this date. Kaub’s lowest daily average was 67 cm, in 2018. Today’s reading is 33. That is below every one of the 121 readings in that window.
Water levels are measured at the Kaub gauge – German federal waterways gauge service (PEGELONLINE).
Your call here is 7 days away — the daily forecast now reaches it
What to check on the official page: Your call here is now inside the daily forecast's fourteen-day horizon. So this block has switched itself from the six-week bands to the daily product.
The button below opens Kaub's own forecast page directly. Read across to 14 September. Remember the number How we calculate ship needWaterlogged estimates that a river needs to be 2.05m in depth to be navigable by river cruises. A river cruise ship has a draft of approximately 1.60m and we add an additional 0.45m above this. This number is not from official cruise line reports. Ships with smaller drafts or special permission may be able to sail in less water. The figure on the page beside this note is a gauge level, and a gauge level is the height of the water at one measuring station, read from that station's own zero. It is not the depth of the navigable channel, it is not the room left under a ship's keel, and it is not a ship's draft. Our line is a level we compare today's reading with. It is not a depth anybody has measured under your ship..
BfG publishes a range, not a single line — that spread is their own honest uncertainty. Read the whole of it.
Open the 14-day forecast for Kaub (German) (opens in a new tab)WLSN — Water level the ship needs (93 cm)
BfG’s own 14-day forecast: their low-to-high range and middle line · BfG issued this forecast: 2026-09-06 GMT+1 · Bundesanstalt für Gewässerkunde (BfG)
BfG’s own 6-week outlook: one block for each whole published week · 3 of 4 published weeks reach beyond the scale of this frame and are not drawn · BfG issued this forecast: 2026-09-03 · Bundesanstalt für Gewässerkunde (BfG)
Heidelberg
Day 7 · Tuesday 15 September · Germany
The measured level is under half of Waterlogged's reference line for this ship.
60 cm below Waterlogged’s reference line
That is how far today's measured level sits below the line we estimate this ship needs. The level it is measured against is our own estimate, not a figure from the cruise line.
| Water level now | 33 cm |
|---|---|
| How we calculate ship needWaterlogged estimates that a river needs to be 2.05m in depth to be navigable by river cruises. A river cruise ship has a draft of approximately 1.60m and we add an additional 0.45m above this. This number is not from official cruise line reports. Ships with smaller drafts or special permission may be able to sail in less water. The figure on the page beside this note is a gauge level, and a gauge level is the height of the water at one measuring station, read from that station's own zero. It is not the depth of the navigable channel, it is not the room left under a ship's keel, and it is not a ship's draft. Our line is a level we compare today's reading with. It is not a depth anybody has measured under your ship. | 93 cm |
| Normal for 15 September | 140 cm |
On the record: For 2015–2025, we checked the eleven days around this date. Kaub’s lowest daily average was 63 cm, in 2018. Today’s reading is 33. That is below every one of the 121 readings in that window.
Water levels are measured at the Kaub gauge – German federal waterways gauge service (PEGELONLINE).
Your call here is 8 days away — the daily forecast now reaches it
What to check on the official page: Your call here is now inside the daily forecast's fourteen-day horizon. So this block has switched itself from the six-week bands to the daily product.
The button below opens Kaub's own forecast page directly. Read across to 15 September. Remember the number How we calculate ship needWaterlogged estimates that a river needs to be 2.05m in depth to be navigable by river cruises. A river cruise ship has a draft of approximately 1.60m and we add an additional 0.45m above this. This number is not from official cruise line reports. Ships with smaller drafts or special permission may be able to sail in less water. The figure on the page beside this note is a gauge level, and a gauge level is the height of the water at one measuring station, read from that station's own zero. It is not the depth of the navigable channel, it is not the room left under a ship's keel, and it is not a ship's draft. Our line is a level we compare today's reading with. It is not a depth anybody has measured under your ship..
BfG publishes a range, not a single line — that spread is their own honest uncertainty. Read the whole of it.
Open the 14-day forecast for Kaub (German) (opens in a new tab)WLSN — Water level the ship needs (93 cm)
BfG’s own 14-day forecast: their low-to-high range and middle line · BfG issued this forecast: 2026-09-06 GMT+1 · Bundesanstalt für Gewässerkunde (BfG)
BfG’s own 6-week outlook: one block for each whole published week · 3 of 4 published weeks reach beyond the scale of this frame and are not drawn · BfG issued this forecast: 2026-09-03 · Bundesanstalt für Gewässerkunde (BfG)
Würzburg
Day 8 · Wednesday 16 September · Germany
This is a real reading. There is nothing published to measure it against.
138 cm measured
Nothing is published for this stretch to measure the reading against.
| Water level now | 138 cm |
|---|
Water levels are measured at the Würzburg gauge – German federal waterways gauge service (PEGELONLINE).
Bamberg
Day 9 · Thursday 17 September · Germany
This is a real reading. There is nothing published to measure it against.
138 cm measured
Nothing is published for this stretch to measure the reading against.
| Water level now | 138 cm |
|---|
Water levels are measured at the Würzburg gauge – German federal waterways gauge service (PEGELONLINE).
Nuremberg; Prague
Day 10 · Friday 18 September · Germany
This is a real reading. There is nothing published to measure it against.
138 cm measured
Nothing is published for this stretch to measure the reading against.
| Water level now | 138 cm |
|---|
Water levels are measured at the Würzburg gauge – German federal waterways gauge service (PEGELONLINE).
Prague
Day 11–12 · Sat 19 – Sun 20 September · Czechia
The ship does not sail on this day. Your itinerary spends it on land, so no river level applies to it.
Not sailing
Your itinerary spends this day on land, so the ship does not sail and no river level applies to it.
Your itinerary spends this day on land. The ship is not sailing, so no river level applies to it and no waterway notice is about it.
What the statuses mean — each one is measured against the level we estimate this ship needs
- Far below the lineThe measured level is under half of Waterlogged's reference line for this ship.
- Below the lineThe measured level is below Waterlogged's reference line for this ship.
- Above the lineThe measured level is at or above Waterlogged's reference line for this ship.
- Lock-controlledLocks hold this water at a working level, so low water is far less likely to affect this stretch. Other things still can.
- No line publishedThis is a real reading. There is nothing published to measure it against.
- No reading yetWe watch a gauge on this stretch. No current reading is on file for it.
- No gauge on this stretchWe watch no gauge on this stretch of river. There is no reading for this day and no line to measure one against.
- In portThe ship is in port on this day. Our record holds no river transit for it, so there is no stretch of river to read.
- Not sailingThe ship does not sail on this day. Your itinerary spends it on land, so no river level applies to it.
The small white boards mark A riverside station that measures the water level in centimetres against a fixed zero point. stations — the places where a reading is physically taken. Each is drawn at its own town's coordinate, which can sit close to the port it serves. Each stretch is coloured by the worst port on it. A gauge level is not the depth of the The navigable channel where ships are meant to pass., not the room under your ship's keel, and not your ship's How deep a ship sits in the water. That depth sets how much water it needs underneath..
Every port, in the order you reach it
This list repeats the map information. It is there for phones, for screen readers and for printing.
Cities are drawn at their true latitude and longitude. The river line is a simplified course, not a navigation chart. Course geometry: Natural Earth (public domain) and © OpenStreetMap contributors, ODbL 1.0.
Do not see your sailing? We do not report cancelled sailings. Tell us which sailing we are missing and we will add it. You can also email info@rivercruisewatch.com with the cruise line, the ship and the dates.