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About
Provides marine weather and oceanographic information, including weather maps, typhoon data, and precipitation forecasts. Overlay various meteorological and oceanographic data for quick understanding of surrounding conditions. Offers a head-up display for navigation.
What's New in JM
2.1.1
November 7, 2017
Apple のアップデートにより、この App の機能が向上します。 新しく追加される機能はありません。 ===Ver.2.1.0 / 2.1.1=== ■J-Marine Cloud 運営に関連するサーバーの移行に伴い、アプリを更新しました サーバー移行後はVer.2.0.0以前のバージョンではご利用ができなくなります。 アプリご利用の際は、最新バージョンへのアップデートをお願いします。 ■有料データの購入・復元が行えない場合がある現象を修正しました (Ver.2.1.1) 一部文言を修正しました ===Ver.2.0.0=== ■要望にお応えして機能を追加・改良しました! レイヤーの切り替えが簡単に、凡例を大きく表示する等、変更しました。 ■海象4種類を追加しました! 海水温・海流・塩分・海面高度のデータが表示可能になりました。 それぞれ14日先の予測まで表示可能です。 ※上記データは有料となります。 ■高解像度ナウキャストを正式公開しました! アンケートに回答していない方でもご覧いただけるようになりました。 ※詳しくはアプリ内に表示される案内をご覧ください。
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FAQ
What kind of weather information does JM-Weather provide?
JM-Weather offers detailed marine weather and oceanographic information. This includes weather maps, forecast maps, typhoon tracking, and real-time precipitation nowcasts. It also displays layers for rainfall, wind direction and speed, wave height, period, direction, marine alerts, sea surface temperature, currents, salinity, and sea level.
How often is the weather data updated in JM-Weather?
The update frequency and times for the meteorological and oceanographic data are detailed within the app's help section. The 'Sea Pack' subscription offers daily updates for sea surface temperature, currents, salinity, and sea level.
What are the subscription options for JM-Weather?
JM-Weather offers a 'Sea Pack' subscription for 360 yen per month, which includes data on sea surface temperature, currents, salinity, and sea level. A one-month free trial is available for the first-time purchase. Subscriptions automatically renew unless canceled 24 hours before the current period ends.
What devices is JM-Weather compatible with?
JM-Weather requires iOS 8.0 or later. Recommended devices include iPhone SE/6s/6s Plus or later, and iPad Air 2/mini 4 or later.
Does JM-Weather consume a lot of battery?
Yes, the application is noted to consume a significant amount of battery due to its use of GPS, compass, gyro sensor, and map processing. It is recommended to use the app with a power supply or have spare batteries available.
Can JM-Weather be used offline?
No, JM-Weather requires network communication to launch and function. You must be in a location with network connectivity to use the app.
Is JM-Weather suitable for professional navigation?
No, JM-Weather is not a nautical chart. While it provides detailed weather and oceanographic information, it should not be used as a primary navigation tool for professional voyages.
What is the user rating for JM-Weather?
JM-Weather has a rating of 3.1 stars from 16 ratings, indicating a mixed user reception.



