TideCast: global tide predictions on your wrist
· v5.2.5
About
TideCast - Tides on your Garmin
Tide times, heights and full-day tide charts from 4,700+ stations worldwide — directly on your Garmin watch.
No setup required. TideCast automatically finds your nearest tide station using GPS or Garmin Weather.
FREE: everything you need for today
• Today & tomorrow tide forecasts
• Next high & low tide, heights and countdown
• Rising / falling tide status
• Full-day interactive tide chart with H/L markers, sunrise/sunset and live "now" line
• Double-tide support at ports with a double high or low (e.g. Poole, Portland) — enable in chart settings
• Day list with tide times and heights
• Glance view with tide-state progress
• Automatic nearest-station detection
• 7 languages
Every new install also gets TideCast Plus FREE for 7 days.
No account. No card. No sign-up. It simply returns to the Free version afterwards.
TIDECAST PLUS: For people who want to plan further ahead.
£3.99/year, or buy 1, 2 or 3 years upfront.
Plus unlocks:
• Full 7-day tide forecast
• Browse the whole week directly on your watch
• Custom location — check tides somewhere other than your current location
• Select any supported station using postcode, ZIP code or TC station code
• Automatic background refresh — choose intervals from 30 minutes up to 3 days
Find TC station codes at:
https://tide.extreme-media.co.uk or https://tide.0-21.co.uk
Enter the TCXXXX code under Location Override in Connect IQ settings.
TRY PLUS FOR FREE:
Every new TideCast installation automatically receives a 7-day Plus trial.
You get the full week view, custom locations and background refresh.
No registration and no payment card required.
After 7 days, TideCast simply reverts to the Free version.
ACTIVATE PLUS:
From your watch
With Garmin Connect IQ running on your phone:
MENU → Activate Plus
Tap the notification that appears on your phone and complete the subscription.
No TideCast account. No username. No password. Your watch is your licence.
From a web browser
Visit:
https://tide.extreme-media.co.uk/plus
or
https://tide.0-21.co.uk/plus
Enter the activation code shown on your watch.
Choose an annual subscription or pre-pay for 1, 2 or 3 years.
Annual subscriptions automatically renew each year and can be cancelled at any time. Payments are securely processed by Stripe.
COVERAGE
4,700+ tide stations worldwide
• 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 — browse days
Yesterday → Today → Tomorrow → full week with Plus
SELECT — switch between tide information and tide chart
(On lower-memory watches this opens the day list.)
BACK — return to today / previous view
MENU — settings, manual refresh, location, Activate Plus and app version
SUPPORTED GARMIN DEVICES
90+ Garmin watches, including:
fenix 5+/6/7/8/9 • Forerunner 245–965 • Epix • MARQ • Descent • Venu • vívoactive • Approach • D2
Full chart view is available on mid/high-memory devices. Lower-memory devices use the day-list view.
TIDES ON THE WEB
Browse stations, tide times, heights and charts at:
https://tide.extreme-media.co.uk or https://tide.0-21.co.uk
You can also use the website to find the TC station code for TideCast Plus custom locations.
ALSO TRY TIDECASTDF - FREE
Want tide information while recording an activity?
TideCastDF is the companion Garmin data field showing the live tide while you:
Run • Ride • Surf • Paddle • Sail
It also records tide information into your FIT activity file.
Search "TideCastDF" in the Connect IQ Store.
SUPPORT TIDECAST
TideCast and its 4,700+ station tide service are independently built and operated.
The best way to support continued development and keep the tide data flowing is buying TideCast Plus.
Or, if you'd simply like to buy me a coffee:
https://buymeacoffee.com/leeev
Thank you!
Tide data & services are hosted at
https://tide.extreme-media.co.uk
https://tide.0-21.co.uk
What's new
Version 5.2.5 - imperial units (feet & miles)
• NEW - tide heights and station distance now follow your watch's measurement
units: feet & miles on a Statute watch, metres & kilometres on Metric
• NEW - separate "Height Units" and "Distance Units" settings (Auto / Metric /
Imperial) so you can override the watch - e.g. metres for height with miles
for distance
• Statute (UK) watches correctly show heights in metres with distance in miles
Version 5.2.4
• Assorted stability fixes
Version 5.2.3 - double-tide support (Thanks Harry), more devices, chart improvements
• NEW - double-tide support: ports with a genuine double high or low water (e.g. Poole, Portland,
Swanage) now show both peaks/troughs an optional, enable "Show double tides" in chart settings
• NEW - fēnix 9 family, Venu 2/3/X1, Approach golf watches, D2 Mach 2/Mach 2 Pro, and Descent
G1/G2 support — 90+ Garmin devices now supported
• Chart improvements on double-tide days, clearer time labels, better use of screen space
• Background refresh interval range adjusted (30 min - 3 days) for reliability on busy tide stations
• Assorted stability and layout fixes
Free forever: automatic nearest station, today & tomorrow, the full tide chart (now with double-tide
support), day list, and glance. Plus adds the week, any location, and background refresh.
TideCast Plus is here
V 5.2.1
Font and spacing updates for TideChart - Thanks Jeff
Updated Text withing settings
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 155 devices
Updated Sep 10, 2026
Developer website ↗
Privacy policy ↗
Open on apps.garmin.com ↗
Updated Sep 10, 2026
Developer website ↗
Privacy policy ↗
Open on apps.garmin.com ↗