Gauge Basel-Rheinhalle — current water level and draft
Rhine · km 166
Measurement—cm
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Gauge Basel-Rheinhalle is on the Rhine at kilometre 166, on the km 163–170 stretch. The GlW is 501 cm and the fairway depth maintained below it (TuGlW) is 295 cm; after deducting 40 cm of safety margin the official rule of thumb comes out at Basel-Rheinhalle -246. In practice Basel-Rheinhalle -246 is used here. At high water Marke I is at 700 cm and Marke II — above which the waterway closes — at 790/820 cm. This gauge has 2 forecast sources: the 10-day forecast from the Hochwasservorhersagezentrale Baden-Württemberg (yellow) and the 10-day forecast from the BAFU / Kanton Basel-Stadt (red). Upstream lies Konstanz, downstream Iffezheim.
Basel-Rheinhalle
Upstream of Birsfelden Lock and below the Mittlere Rheinbrücke, HSW IIa (820 cm, 2750 m³/s) of Basel-Rheinhalle applies. Between the outer harbour of Birsfelden Lock and the Mittlere Rheinbrücke, HSW IIb (790 cm, 2580 m³/s) applies. In addition, for ships longer than 110 m, it depends on the water level whether they are allowed to navigate this section: For vessels and push convoys with a length of more than 110 m, the maximum permissible length is: a. at a water level up to 6.20 m at the Basel-Rheinhalle gauge: 1. 135 m for vessels in both upstream and downstream navigation, 2. 135 m for push convoys in downstream navigation, 3. 185 m for push convoys in upstream navigation; b. at a water level up to 6.50 m at the Basel-Rheinhalle gauge: 185 m for push convoys in upstream navigation, provided they use tug assistance; c. upon reaching or exceeding a water level of 6.70 m at the Basel-Rheinhalle gauge: 125 m for all vessels in both upstream and downstream navigation. See also Hochrhein-Polizeiverordnung BAV. ### Warning: HVZ Baden-Württemberg forecast Warning. The forecast may contain inaccuracies. The forecast data for this gauge is (partly) sourced from the Hochwasservorhersagezentrale Baden-Württemberg. The small chart you see when clicking the hyperlink for this gauge is the only format in which this public authority publishes its forecast. Unfortunately, the digitisation has only resulted in a very low‑resolution image. The algorithm that converts that image back into numeric values for this table may sometimes be wrong because it must OCR axis labels that are also low resolution, and cannot be guaranteed 100% correct. Always verify the original chart if the numbers appear implausible.