The Solway Firth Partnership
The Solway Firth Partnership is an independent charity that works to support the local communities while respecting, protecting and celebrating the distinctive character and natural features of our marine and coastal area.
They produce a number of downloadable publications including Tide Lines normally a full colour 32-page magazine. Due to covid-19 the Winter edition is only available as a PDF. It is full of interesting features and you can view it here. They also publish a newsletter to which you can subscribe via thier website.
These are the links to their various publications.