25 free toolsNo sign-up

All 25 coastal tools

Every tool is free, runs in your browser, and works offline. Star anything you like — it lands in My Favorites for next time.

Tide

Tide Predictor & Curve

Plot 3 days of tide and find your safe windows.

Tide

Tide Window Planner

Know when that beach is safe to walk.

Tide

Spring & Neap Tide Calendar

Big tides or small? See the whole fortnight.

Tide

Moon Phase Calculator

The phase that drives the tide, in seconds.

Tide

Cut-Off Risk Timer

Countdown to the moment your path floods.

Safety

Beach Camping Safety Check

A tide-aware checklist before you pitch.

Safety

Coastal Hike Risk Check

Rate today's coastal walk before you go.

Safety

Rip Current Awareness

Spot the danger before you swim.

Safety

Emergency Card Maker

A printable card for the worst case.

Safety

Cliff & Rock Safety Check

Rock-hopping rules that keep you dry.

Safety

Family Beach Safety Plan

A beach plan that survives kids.

Planning

Coastal Packing List

Nothing forgotten, nothing excess.

Planning

Hike Time & Distance Planner

Realistic times across sand and rock.

Planning

Golden Hour & Sunset Planner

Sunset and golden hour, coast-perfect.

Planning

Water Temp & Swim Guide

Is the water swimable today?

Planning

Coastal Trip Planner

A multi-day coastal trip, tide-first.

Planning

Weather × Tide Risk Matrix

Wind × rain × tide = today's risk.

Activities

Tidepooling Finder

The best low-water windows for pools.

Activities

Fishing Tide Window

Fish bite by the tide — know when.

Activities

Paddle & Kayak Launch Check

Launch check for kayaks and boards.

Activities

Snorkel Window Planner

Calm, clear windows for snorkelling.

Activities

Beachcombing Calendar

After-storm days to hunt the shore.

Learn

Tide Table Reader

Decode any tide table in 3 steps.

Learn

Tide Types Explainer

Semi, diurnal, mixed — in pictures.

Learn

Coastal Glossary

Every coastal word, decoded.