By Risesystem
Report updated May 5, 2026
海天気.jp - 海の天気予報アプリ
For marine sports enthusiasts, anglers, and individuals requiring precise coastal and municipal weather data.
Overview · Full Intel report in progress
海天気.jp - 海の天気予報アプリ is an established weather app that is completely free.
What is 海天気.jp - 海の天気予報アプリ?
Current Momentum
v1.2 · 1mo ago
ActiveLast updated 40d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
WeatherNo ranking data
Rating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Provides 1-hour interval forecasts for weather, wind, temperature, and wave height up to 84 hours in advance.
Includes specialized data such as tidal graphs, seawater temperature distribution maps, and animated current flow visualizations.
Offers 14-day weather forecasts in 3-hour intervals to assist with long-term activity planning.
Displays rain and lightning movement via video playback for both past and future 6-hour windows.
Features a 'My Point' bookmarking system for quick access to frequently visited spots and integration with map apps for route navigation.
How much does it cost?
Who Built It?
Risesystem
Providing specialized meteorological and marine forecasting tools for outdoor enthusiasts in Japan. Enabling precise planning for surfing, fishing, and golf activities.
Portfolio
6
Apps
Who is Risesystem?
Risesystem, inc. operates a niche B2C model centered on hyper-local environmental data, distinguishing itself from general-purpose weather apps by targeting specific outdoor hobbyist segments. Their moat is built on domain-specific data integration—such as tide graphs for anglers and course-specific wind data for golfers—rather than broad meteorological coverage. The portfolio exhibits a clear strategic pivot toward verticalized utility, though the reliance on a single, older gaming title suggests a legacy asset that contrasts with their current focus on specialized forecasting services.
Who is Risesystem for?
- Outdoor enthusiasts in Japan
- Specifically surfers
- Anglers
- Golfers requiring granular
Portfolio momentum
Released 14 updates across 5 apps in the last 6 months, indicating a high level of active maintenance and development.
What other apps does Risesystem make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for 海天気.jp - 海の天気予報アプリ?
How's The Weather Market?
How does it evolve in the Weather market?
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇯🇵 Japan | Weather | iOSFree | #11 | |
| 🇯🇵 Japan | Weather | AndroidFree | #34 | ▼3 |
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for 海天気.jp - 海の天気予報アプリ
Key Takeaways
This app serves as a comprehensive meteorological tool specifically optimized for marine activities by combining granular coastal data with standard municipal weather forecasting.
Where Is It Heading?
Trend analysis
Available very soon