TideCast: global tide predictions on your wrist
· v5.2
About
Tide times, heights, and full-day charts from over 4,700 stations worldwide.
FREE
• Automatic nearest-station detection (GPS or Garmin Weather) - no setup
• Today & tomorrow - next high and low with countdown, rising/falling status, and height range
• Full-day tide chart - smooth tide curve with sunrise/sunset bands, gridlines, H/L labels, and a real-time now-line
• Day list - browse tide events with heights and times
• Glance view - at-a-glance summary with a tide-state progress bar
• Available in 7 languages
TIDECAST PLUS - £3.99 / year
Unlock the planning power for a week ahead:
• Full 7-day forecast - scroll day by day through the whole week
• Custom location - check tides at any station by postcode, ZIP, or TC station code, not just where you are (find your station's TC code at https://tide.extreme-media.co.uk)
• Background refresh (15 minutes to 5 days)
Try it free: every new install gets a 7-day free trial of Plus - the full week, any station, and background refresh, with no sign-up and no card. Keep it for £3.99/year.
Activate in seconds, right on your watch: open the menu, choose Activate Plus, and tap through on your phone to subscribe. No account and no passwords - your watch is your licence. Auto-renews yearly; cancel anytime.
COVERAGE
• United Kingdom - 709 stations
• United States & North America - 3,379 stations
• Worldwide - 1,000+ stations across Europe, Asia, Africa, South America, and Oceania
CONTROLS
• UP / DOWN (or swipe up/down on touch watches) - browse days: yesterday, today, tomorrow, and (with Plus) the full week
• SELECT - switch between text view and tide chart (or open the day list on chart-less watches)
• BACK - return to today / previous view
• MENU - settings (manual refresh, location, Activate Plus, app version)
SUPPORTED DEVICES
65+ Garmin watches including fenix 5+/6/7/8, Forerunner 245-965, Epix, MARQ, Descent, Venu, and vívoactive series. Chart view on mid/high-memory devices; day-list view on lower-memory devices.
ON THE WEB
• Browse every station and view tide times, heights, and charts in your browser at https://tide.extreme-media.co.uk - also where you look up the TC station code for the Plus custom-location feature.
ALSO TRY
• TideCastDF - our FREE data field: live tide on your activity data screen while you run, ride, paddle, sail, or surf, and it records the tide into your FIT file. Search "TideCastDF" in the Connect IQ store.
SUPPORT THE APP & THE DATA
Building TideCast and running the tide service (4,700+ stations worldwide, served continuously) takes real time and money. If it's useful to you, the best support is TideCast Plus (above) - or just buy me a coffee at https://buymeacoffee.com/leeev. Every bit keeps the tide data flowing. Thank you!
Data and tide service: https://tide.extreme-media.co.uk
What's new
TideCast Plus is here
Version 5.2 - Plus now includes background refresh, plus a 7-day free trial for everyone
• NEW - 7-day free Plus trial: installing or updating unlocks the full week, any station, and background refresh free for 7 days - no sign-up, no card
• Background refresh is now part of TideCast Plus - keep your tides updating automatically for £3.99/year (your free trial starts you off)
• See your trial at a glance - the Plus screen shows "Plus Trial" with a live countdown to when it ends
• Clearer settings - Background refresh and Location Override are now labelled as Plus features
• Reliability and memory improvements across the full device range
• Added more watches (more forerunners mostly)
5.1 - updated language files (thanks for the feedback) - simplified the purchase journey for plus members
5.0
• NEW -Full 7-day tide forecast: upgrade to Plus (£3.99/year) and scroll the whole week, day by day
• NEW - Custom location with Plus: pick any station by postcode, ZIP, or TC code
• Activate Plus right on your watch, no account, no passwords
• Free tier is unchanged: automatic nearest station, today & tomorrow, the full tide chart, day list, and glance
• Smoother day navigation, swipe to change days on touch watches; browse back to yesterday and forward through the week
• Reliability and memory improvements across the full device range
Free to try, with everything you need for today and tomorrow. Plus adds the week and supports the work and costs to maintain and provide the service so please do consider it.
Permissions
CommunicationsPositioningBackgroundBluetoothLowEnergyDetails
Compatible with 129 devices
Updated Jul 1, 2026
Developer website ↗
Privacy policy ↗
Open on apps.garmin.com ↗
Updated Jul 1, 2026
Developer website ↗
Privacy policy ↗
Open on apps.garmin.com ↗