Software updates - Suunto Ocean

2.51.28

Suunto Ocean  - Release notes: 2.51.28

Update on 12.5.2026

This update brings new features, improvements and bug fixes.

New Dive features:​

• Tide widget
• Customization of switchwindow and arches for dive modes
• Dynamic depth graph to dive summary
• Option to configure a stopwatch to dive views
• Possibility to link two tank pods to same gas If two tank pods are linked to same gas, the tank pressure field will show two tank pressures during dive
• Option to set a pressure difference alarm when diving sidemount
• Support for new dive watch face (available in Suunto app)
• Water type setting for scuba diving 

New Outdoor & sport features:  

• Includes features and improvements from: 2.50.26, 2.48.16, 2.44.52, 2.44.46, 2.43.1
• Support for pairing multiple sensors of same type. Sensors will need to paired again.
• Showing sensor information, like battery level and name
• Downloading maps now enabled also without charger
• ZoneSense intensity target setting in sport mode
• Improved Climb guidance user interface and zoom enabled between waypoints
• Passcode feature for securing the watch when off wrist
• Support for new watch face types
• New improved morning report
• New notification for treadmill calibration
• Connected sensors can be enabled/disabled per sport mode
• Sensor services can be selected separately in sport mode
• New default sport modes for duathlon, swimrun and aquathlon
• New data fields: Instant, avg and lap NGP, Peak power, Peak pace & speed and ascent/descent to next waypoint
• ZoneSense adjustable as target to follow in sport mode
• ZoneSense zone distribution shown in log summary
• Automatic transitions in triathlon sport mode
• Automatic transitions in swimrun sport mode
• Circular transition between sports in predefined multisport modes
• New map orientation selection for north/heading
• In-store demo mode for events and demo purposes

Improvements and bug fixes:

• Localization fixes
• Snorkelling max depth was missing from summary
• Algorithm deviation icon not showing on screen after software crash Issues with surface time arch
• Reduce the time of the no-fly icon
• Tank pod icon showing in pre-start view even if offline
• Issues with wifi and maps download
• Memory optimization
• Bearing didn’t clear after exiting Scuba dive
• Adding e-labels for certification
• Improvement to tank pressure arch
• Surface time sometimes showing wrong values
• Transition optimization in menu items
• Wrong total dive count
• No message after downloading maps
• GNSS optimization happens over wireless network automatically every night
• New winter map styles
• A wide range of new data fields possible to add in sport mode customization
• Improved swim style detection in pool swimming
• Notifications show longer content than before when used with iOS
• Zoom range indicator on map
• Improved accuracy with updated GNSS firmware
• Bike sensor wheel size adjustment added
• Sleep tracking accuracy improved
• ZoneSense zone indicator fixed
• Some crash root causes fixed
• Button lock problem fixed
• Battery drain problem fixed
  
• Sport mode options remembered better
• New paired sensors automatically enabled in compatible sport modes
• Map data field made bigger and more visible
• Weather data also downloaded over WiFi
• Improved pool swimming accuracy
• Smoother transition between menus
• Improved altimeter stability
• Improved ascent and descent calculation accuracy
• Several bug fixes and performance improvements

2.40.56

Staged update starting on September 16, 2025.

This update brings new features, improvements and bug fixes.

New dive features:

• Option to reset tissues after dive   

New outdoor and sport features:

• 22 New sports introduced. Now more than 100 sports to track with the watch: Backcountry skiing, Biathlon, Calisthenics, Chores, Classic skiing, Cyclocross, E-Biking, E-MTB, Field hockey, Futsal, Hand cycling, Meditation, Parkour, Pilates, Skate skiing, Skateboarding, Ski mountaineering, Split boarding, Track running, Vertical Running, Wheelchair sport, Yoga
• Support for new watch face types
• Add passcode to protect sensitive data

SuuntoPlus features:

• New watchfaces
• Multiple new sports apps to support the new sport modes
• New partners

Improvements and bug fixes:

• Trigger algorithm deviation alarms only when diving
• Fixed alarms being active after diving ends
• Reset tank pressure alarms only when the clearing threshold of 1 bar is exceeded
• Reset tank pressure alarms when pressure rises Show the next alarm in the switchwindow after acknowledgement
• Update no-fly time after decompression dive to max value
• Fixed issue that Tank POD icon still shows in scuba pre-start view after Tank POD is not linked to the gas
• Add refresh button to list from Tank POD menu to find close-by Tank POD’s
• Fixed the problem that snorkeling/diving brightness option cannot be turned on
• Fixed inconsistent MOD values
• Add map options for freediving, snorkeling and mermaiding
• Pool swim distance accuracy improved further
• Treadmill calibration not anymore affected by outdoor runs
• Daily HR and sleep tracking problems solved
• WiFi connection stability improved
• Shorten time for automatic start of dive
• Step counter accuracy improved
• Watch face settings are not reset when watch face is updated in SuuntoPlus store
• Fixed a bug that caused sleep tracking to fail in certain cases
• General stability improvements and bug fixes
• Map download speed improved
• Improved turn-by-turn notification logic
• Map screen visible during pause 

2.38.42

Staged update starting on December 16th 2024.

New dive features:

• New dive view with a compass arch
• Possibility to lock and see the bearing on the compass arch and in switchfield while diving
• Provide a planning tool to plan no decompression dives
• Give pre-defined conservatism levels for the Bühlmann dive algorith
• mNew option to add a user defined alarm for NDL time
• New option to add a Surface notify for freedive activities   

New outdoor and sport features:

• Watchfaces are now transferred to SuuntoPlus store
• After the update the watch has only one watch face and new watch faces can be added to your watch from the SuuntoPlus store in Suunto app
• Climb guidance feature during navigation for routes with elevation data
• Possibility to select watch face complications
• Three new watch faces
• Cumulative data fields as watch face complications
• Screen lock in watch mode
• Data field on navigation screen
• Automatic and customizable map re-center
• Sport mode specific display settings
• Browse back one screen in sport mode using long press middle button
• New pause and exercise end user interface with possibility to browse screens
• Sleep quality in sleep report
• Vietnamese language support
• Climb guidance feature during navigation for routes with elevation data
• Possibility modify and select watch face complications
• Cumulative data fields as watch face complications
• Second configurable short cut
• Screen lock in watch mode
• Map zooming now possible up to 20km
• Data field on navigation screen
• Automatic and customizable map re-center
• Sport mode specific display settings
• Browse back one screen in sport mode using long press middle button
• New pause and exercise end user interface with possibility to browse screens
• Sleep quality in sleep report
• Vietnamese language support  

Improvements and bug fixes:

• Fixed cases where sleep tracking and OHR stopped working
• Fixed a case where pool swim distance was wrong in logbook
• Fixed a case where power consumption remained high after navigation
• Exercise start panel streamlined and made faster
• Improved capability to determine VO2Max
• Several cosmetic improvements to menus and watch faces
• Some language translation corrections
• Improved Emoji support with colors and more characters
• Improved step counter to avoid misdetection from general hand movements
• Improved always-on screen brightness
• Faster UI browsing
• New GNSS and OHR software
• Fixed bug that caused the mobile sync to fail
• Missing freedive data in freedive widget
• Un-expected watch crashes
• GPS improvements for snorkeling distance measurements
• Wrong start and end time when starting with autostart
• Sensor list missing in freedive menu
• Correct surface time adjustments in case of clock sync
• Compass calibration improvements
• Fixing missing dive routes
• Fixes to Suunto app sync events
• Removing stop done if last stop is missed
• Fixes to missing ceiling values
• Missing NDL alarms in Suunto App
• No-fly was wrongly shown after changing clock
• Gas consumption showing wrong values
   
  

2.36.18

Staged update starting on September 5th 2024.

This update brings new features, improvements and bug fixes.

New features:

• Provide the compass heading while scuba diving
• New view for freedive mode to list all dives, depth, dive time and surface times
• The automatic start for scuba dive will always start with the latest scuba dive mode
• New options to adjust the safety stop and how TTS is calculated during decompression dives
• Average gas consumption value in dive summary to be calculated from real-time values during diving

Improvements and bug fixes:

• Fixed bug for adjusting brightness during freedive
• UI improvement to the Gas list
• Fixed bug that caused an empty dive list in the exercise summary in Snorkeling mode after firmware update
• Improved calculations for pool, open water and snorkelling distances
• Fixed issue for showing wrong surface time in scuba history widget
• Fixed issue for not showing HR belt icon if OHR is disabled in dive pre-dive screen
• Fixed bug related to showing the gas switch recommendation while descending
• Updated the surface pressure also when not in water sports to prevent dive modes to start automatically if surface pressure drops
• Fixed bugs related to not being able to confirm alarms while freediving
• Added low battery alarm for freedive, mermaiding and snorkeling
• Changed the arch behaviour for decompression and safety stops
• Increased the range for surface time duration to show days
• Improved the dive alarm behaviour to better tackle situations with multiple simultaneous dive alarms
• Removed additional time added to safety stop if fast ascent happened during diving