Explore10 min read
Planning a Shore Dive: Reading the Beach Before You Get In
How to assess a shore dive site step by step: wind, swell, entry and exit points, surge and kelp layout — plus the bailout plan every beach dive needs.
Tom Okafor ·
The Tidewright Journal
Everything we know about growing back the ocean.
Encyclopedia entries, coastal atlas guides, science explainers, farming know-how and recipes — written by Tidewright’s scientists, engineers, chefs and field crews, and open to everyone.
Explore11 min read
Shore Diving Into Kelp: Picking Sites and Reading Entries
A field guide to choosing kelp shore-dive sites — what habitat makes kelp grow, four site archetypes and how to dive each, and what the canopy itself tells you.
Tom Okafor ·
Explore10 min read
Taking Kids Snorkelling: A Parent's Guide to Safe Shore Sessions
How to introduce children to shore snorkelling safely: readiness signs, sheltered sites, kid-sized gear, signals, and the progression that builds confident young ocean people.
Tom Okafor ·
Encyclopedia9 min read
Shovelnose Guitarfish: Half Shark, Half Ray, Fully Kelp-Coast
Pseudobatos productus cruises the sandy flats between kelp forests from California to Baja. How to identify it, what it eats, and why its fate splits at the border.
Dr. Mara Ellison ·
Atlas8 min read
Sicily: The Mediterranean's Great Algal Forests Around Volcanic Isles
Sicily's volcanic islands carry the Mediterranean's richest Cystoseira forests — brown canopies in coral-clear water. A coastal atlas guide to seeing them.
Dr. Mara Ellison ·
Atlas8 min read
Sitka Sound: Herring, Kelp and Cultures of the Inside Passage
Herring spawn on kelp, whales hunt the shoals, and Tlingit stewardship runs millennia deep — a guide to the kelp ecosystems of Sitka Sound, Alaska.
Tom Okafor ·
Encyclopedia8 min read
Six-Ray Star (Leptasterias): The Brooding Sea Star of the Kelp Fringe
Leptasterias, the six-rayed star, broods its babies under its own body on the wave-beaten rocks of the Pacific kelp fringe — a small star with a big secret.
Dr. Theo Nakamura ·
Encyclopedia9 min read
Bluntnose Sixgill Shark (Hexanchus griseus): The Deep Giant That Visits Kelp Country
The bluntnose sixgill shark is a primitive deep-water giant that rises along kelp-lined fjords and sounds at night — six gills, green eyes, worldwide.
Tom Okafor ·
Blue Carbon11 min read
Blue Carbon for Small Shores: A Guide for Tiny Projects
Can a 30-hectare marsh or village kelp site really earn carbon income? A plain guide to costs, pathways and honest alternatives for small projects.
Priya Raman ·
Farming9 min read
Starting Small: What a Half-Hectare Kelp Farm Really Looks Like
A concrete, season-long picture of a half-hectare kelp farm: layout, gear, hours, yields and honest numbers — the smallest size that still teaches you everything.
Naomi Reyes ·
Atlas11 min read
The Snares and Antipodes: New Zealand's Subantarctic Kelp Wilderness
A coastal atlas guide to New Zealand's subantarctic islands — surf-gripped bull kelp, endemic penguins and parakeets, sea lion recovery, and the mouse eradication that worked.
Dr. Mara Ellison ·
Atlas8 min read
The Snares: Bull Kelp in New Zealand's Subantarctic
Granite islands wrapped in storm-built bull kelp, penguins found nowhere else and no landings allowed: inside the Snares Islands' kelp coast, 200 km south of Bluff.
Dr. Theo Nakamura ·
Explore9 min read
Snorkel Photography: Getting the Shot on One Breath
No scuba, no strobes, no choke of gear: how to shoot kelp forests on a single breath. Breath budgeting, surface light, composition and a minimal kit that works.
Tom Okafor ·
Kitchen8 min read
Soaking vs Toasting Kombu: Two Roads to Umami
When to cold-soak kombu and when to toast it — exact times, temperatures and flavour outcomes, plus what each method does to texture and iodine.
Sofia Andersson ·
Field Notes8 min read
Field Notes: The Sonar Anomaly We Mapped at Mendocino
A routine Drifter survey off Mendocino returned a signature that matched no chart: hard reef where the map said sand. Field notes on what we found below.
Dr. Mara Ellison ·
Science8 min read
Sounding Out a Forest: How Sonar Maps Kelp Reefs
Multibeam and sidescan sonar build metre-scale maps of reef relief, substrate and kelp canopy. How acoustic mapping works, and what it can and can't see.
Dr. Mara Ellison ·
Atlas8 min read
The Sonoma Coast: After the Bull Kelp
Sonoma's coast lost most of its bull kelp a decade ago. A guide to the collapse, the abalone closure, and where the forest is quietly returning.
Jack Callum ·
Encyclopedia8 min read
Soupfin Shark (Galeorhinus galeus): The School Shark of Kelp Coastlines
The soupfin or school shark once blackened the water over kelp coasts — until a vitamin boom nearly erased it. Meet Galeorhinus galeus.
Dr. Theo Nakamura ·
Encyclopedia10 min read
South American Sea Lion (Otaria byronia): Species Profile
A species profile of the South American sea lion, the maned beachmaster of the Humboldt and Patagonian kelp coasts — biology, range and fishery friction.
Dr. Mara Ellison ·
Atlas9 min read
South Georgia: Giant Kelp at the Edge of the Ice
A ring of giant kelp fringes South Georgia's glaciated mountains — and around it, whales, seals and penguins are crawling back from industrial ruin.
Dr. Lena Fischer ·
Atlas8 min read
Korea's East Sea: The Ecklonia cava Kelp Forests and the Haenyeo
Where warm and cold currents meet off Korea's east coast, Ecklonia cava forests are being rebuilt — and the haenyeo women divers still work the sea.
Tom Okafor ·
Encyclopedia9 min read
Southern Bull Kelp (Durvillaea): The Surf-Battered Giant
Southern bull kelp (Durvillaea) grips the roughest surf coasts on Earth with the strongest holdfast of any kelp. Honeycomb blades, Māori pōhā, ocean rafting.
Dr. Theo Nakamura ·
Encyclopedia10 min read
Southern Right Whale: The Whale That Plays in Kelp
The southern right whale is a slow, southern giant with a calloused head — and a documented habit of draping itself in kelp. Its biology, recovery and kelp play.
Dr. Mara Ellison ·
Encyclopedia8 min read
Spanish Shawl (Flabellinopsis iodinea): The Kelp Forest's Flame
The Spanish shawl Flabellinopsis iodinea is a purple-and-orange aeolid nudibranch that steals stinging cells from hydroids. Identification, diet, habitat.
Dr. Mara Ellison ·