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Last updated on: 2026-08-17
Android Apps > Sports > SeaWi Marine
SeaWi Marine icon

SeaWi Marine

1.09.HI21.467
SeaWi Marine
2.00
118 reviews
10,000+
Downloads
Free

A full Navigation Tool. Navigation data, AIS data, alarms and off-line charts.

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2.00 · 118 reviews · 10,000+ downloads

About SeaWi Marine

SeaWi Marine is a sports app developed by SeaWi Marine.

How many times has SeaWi Marine been downloaded?

SeaWi Marine has been downloaded 20 thousand times. In the last 30 days, the app was downloaded 5 times.

What is the rating of SeaWi Marine?

SeaWi Marine is rated 2.00 out of 5 stars, based on 120 ratings.

Is SeaWi Marine free?

SeaWi Marine is free to download. The APK download size is 6.39 MB. The latest version available is 1.09.HI21.467. The last update was on September 21, 2021.

What are the requirements for SeaWi Marine?

SeaWi Marine requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play June 2014.

Description
A full Navigation Tool for Android Tablets and Phones and the best Navigation aid Tool for Sailors.


Navigation Data

Visualize navigation data on your phone or tablet: position, SOG, COG, speed, heading, apparent wind, true wind, ground wind, VMG, Beaufort force, depth, water temperature, UTC time. (A NMEA 2000® or a NMEA 0183 WiFi adaptor is required to receive NMEA data. SeaWi decodes NMEA 2000® and NMEA 0183 data received in TPC, UDP Unicast and Multicast packets).

You can also use the built-in GPS of your device to show position, SOG, COG and UTC time.


AIS Targets

SeaWi decodes AIS information and allows you to visualize AIS target information on your phone or tablet: AIS target name and MMSI, AIS target position, AIS target SOG, AIS target COG, distance and bearing from your vessel, heading, rate of turn, length, beam, draft, IMO, Callsign. SeaWi shows AIS targets on the chart and triggers alarms for dangerous AIS targets or AIS target lost. (An AIS receiver and a NMEA 2000® or a 38400 baud NMEA 0183 WiFi adaptor; or a WiFi AIS receiver is required to receive AIS info).

You can select your buddies and keep track of them.


Alarms

SeaWi allows you to program multiple alarms: anchor alarms, depth alarms (shallow water alarm, deep water alarm), alarm of lost data (depth data lost, heading data lost, position data lost, apparent wind data lost) and AIS alarms (dangerous AIS target, lost AIS target).


Tracks

You can create a track tapping the Create new track button from the Track View. The tracks are saved and may be visualized at any time.

You may configure the time period or the distance between track point creation and the number of viewed points at high resolution.

You may continue a saved track whenever you need it.


Waypoints

You can create a waypoint tapping and holding on a chart position. Once the waypoint dialog appears you can modify the waypoint position and place the waypoint at your vessel’s position or at a position of your choosing. You can mark the waypoint with six different symbols: generic waypoint, anchorage waypoint, diving waypoint, fishing waypoint, dangerous waypoint and MOB waypoint. You may add a photo to your preferred waypoints.


Man Over Board (MOB)

You can create a Man Over Board waypoint with only one click (menu MOB). Your vessel's position and UTC time and date will be automatically saved. You can manage the MOB mark as a waypoint from waypoints view.


SMS Service

The SMS Service allows you to receive SMS messages when an alarm is activated. If you are anchored and you are not on board you can program alarms (anchor alarm, depth alarm, dangerous AIS target alarm or lost data alarm) and receive them on your phone. When not on board you can schedule SMS messages at certain intervals of time and receive navigational data from your vessel on your phone.


SeaWi NMEA forwarding

You can forward all navigation and AIS data where you need them. Forward NMEA data to other tablets and phones on your boat. Forward NMEA data remotely and use SeaWi app to visualize the same navigational and AIS data as if you where aboard.


Log Trip and Simulation Mode

You can record navigational data of your trip and recover them later to review your trip in Simulation Mode.


Charts

Off-line OpenSeaMaps charts of the entire world are available. Currently charts of Europe, North America, Mediterranean Sea, Black Sea, Caribbean, Australia, New Zealand, Pacific and North Africa are available. Charts of the rest of the world will be available soon.

OpenSeaMap is an open source, worldwide project to create a free nautical chart. In 2009, OpenSeaMap came into life. This map includes beacons, buoys and other navigation aids. OpenSeaMap is a subproject of OpenStreetMap and uses its database.

Recent changes:
- Alarm notification issue solved
- Support for Android 10 and new SeaWi Directory tree
- Due to Google restrictions, this version does not support SMS messages (a full functional version can be downloaded from www.SeaWiMarine.net/downloads/)
- Support for $PCDIN (Version 1.7) NMEA2000 to NMEA0183 conversion (Beta)
- Support for $MXPGN NMEA2000 to NMEA0183 conversion (Beta)
- ip port can be lower than 1024
Show more Show less

More data about SeaWi Marine

Price Free to download
Total downloads 20 thousand
Recent downloads 5
Rating 2.00 based on 120 ratings
Ranking Not ranked
Version 1.09.HI21.467
APK size 6.39 MB
Number of libraries 6
Designed for Android 4.0+
Suitable for Everyone
Ads NO ads

App Performance Report

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SeaWi Marine compared with similar apps

Common keywords of similar apps

Waypoint Target Alarm Seawi Alarms Lost Receive Create Sms Phone Dangerous Mob Board Full Tool Visualize Sog Cog Heading Water Utc Wifi Targets Chart Saved Waypoints Messages Navigational Forward Trip Openseamap Version Line Tablets Phones Tablet Apparent Adaptor Required Ais Data Nmea Position Navigation Time Track Charts Wind Depth Support

Keywords missing from this app

App Marine Maps Gps Weather Boat Map Speed Offline Sailing Location Lake Https Features Argo Boating Displays Share Recent Information Routing Route Lakes Real Display Format Routes Gpx Nautical Tracking File Anchor Sentences Tcp Sailfreegps Regatta Device Noaa Log

Google Play Rating history and histogram

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Downloads over time

SeaWi Marine has been downloaded 20 thousand times. Over the past 30 days, it has been downloaded 5 times.

Changelog of SeaWi Marine

Show changelog

Developer information for SeaWi Marine

SeaWi Marine

info@SeaWiMarine.net

Website

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Comments on SeaWi Marine for Android

★★★★★ Philip Ewen · Apr 10, 2018
This app is brilliant. The optics may be a bit old school, but the functionality is superb. Aside from anchor alarms, Ais alarms and everything else my moored yacht is now sending me a sms from another country every 3 hours: wind speed, depth, distance from the mooring position I set in centimeters, gps position. All it took was a $69 smartphone and a spare sim card. It will also sms me if the boat drifts outside my set range or the depth is below what I set the depth alarm at. Apart from that it just works buy the premium version It's like $6. You can also set it up to send that data over internet in real time! Support these guys their email support is excellent as well, and I only needed their help because I could not find the chart manager. Tip the menu is a pull down screen and chart manager is near the bottom. Well done.
★★★★★ A Google User · Jan 2, 2015
Brilliant app for sailing Works on my HTC and Samsung tab. All the data on one screen where it should be. Impressed with anchor watch and sms facility.
★★★★★ Gregoua · Sep 13, 2021
The only android app that shows NMEA engine data
★☆☆☆☆ Mario Martínez Campos · Mar 30, 2016
Doesn't work It crashes every time I open the app. I've tried with nexus 5 and nexus 7 with same result.
★☆☆☆☆ Mort Goldman · Sep 17, 2018
SeaWi requires too many permissions, won't run without them. Even with the superfluous permissions granted the app crashes before it opens. Useless.
★☆☆☆☆ Mark Sten · Nov 12, 2020
I have been looking at many bits of navigation software for a tablet and paid for a premium license. There is no depth or bouyage information on the charts. It is not suitable for sea navigation. I requested a refund, and was declined. I am pretty sure that is illegal in the UK as we have advertising standards. How does this get 3.6 stars when Avionics gets 4.1, and you can navigate with Avionics?! SeaWi has 10K downloads at £4.50 ... someone is happy. DO NOT BUY THIS FOR NAVIGATION AT SEA.
★☆☆☆☆ Joe Toomuchstuff · Dec 2, 2015
Charts? Uh....where? I downloaded this app this morning. I paid $3 for a Caribbean chart from the in-app purchase. After a download of several minutes I now have a "chart" that shows roads and NO marine info. No depth, nothing. It's not a chart. Why did they charge me money for "chart?"
★☆☆☆☆ Nicu Irimia · Nov 25, 2020
Waist of time! App wants all data from your phone including contacts and does nothing! Just a stupid demo mode.

Google Play Rankings for SeaWi Marine

This app is not ranked

Technologies used by SeaWi Marine

SeaWi Marine is requesting 13 permissions and is using 6 libraries.
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