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River Advice for Boaters (RAB)


(Previously called Strong Stream Advice SSA) is a free messaging service to advise waterway users when levels and flows are changing and we strongly advise against attempting to navigate. 


It is available for the Rivers Great Ouse, Nene and Ancholme and is a useful way of making sure rivers are safe to navigate.



You can register, cancel and update your registration online or download the form and return by post.

We also use TeamUp, a shared online calendar to display the current River Advice for Boaters status on each river where River Advice for Boaters operates.  The calendar is embedded below but you can access it directly and choose to receive notifications from it via this address:, you can also download the TeamUp app from your providers app store on both Android and Apple smart devices and add a new calendar and enter this calendar's key: ks95856e13ff0fd3b1 in order to access the information whenever your out and about, just use this address: and follow the route to the app store relevant to your type of device.

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