dockerfile.run

xttpd

provides tide and current predictions

Debian

RUN apt-get update && \
    apt-get install -y xtide

Ubuntu

RUN apt-get update && \
    apt-get install -y xtide

Fedora

RUN dnf install -y xtide

Raspbian

RUN apt-get update && \
    apt-get install -y xtide

click the source code to copy install xttpd on any operating system with command-not-found.com