海天気.jp - 海の天気予報アプリ

海天気.jp - 海の天気予報アプリ

Risesystem.inc

Available on Google Play
50,000+ installsFreeWeather

Updated Mar 26, 2026 · v1.2.8

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Sea bathing, sea fishing, clam digging, diving, sea kayaking, SUP, etc. A pinpoint weather forecast app for various genres of sea play spots is now available!

Displays pinpoint weather, wind, temperature, and wave height forecasts up to 84 hours ahead for more than 8,000 marine spots nationwide in hourly chronological order. The amount of rainfall is expressed with an easy-to-understand umbrella mark down to less than 1mm, so you can visually see how much rain is likely to fall! ■ 14-day weather forecast Weather forecast up to 14 days ahead is provided in chronological order every 3 hours. For grasping the flow of weather useful for marine leisure planning! ■ Movement of rain clouds/lightning around marine spots Visual playback of the movement of rain clouds from the past to the future (6 hours ahead). If the sky becomes cloudy, immediately check the movement of rain clouds/lightning. ■Information unique to sea fishing spots Covers information that is a must for sea fishing, such as tide data (tide graph), seawater temperature distribution map, and tidal current animation. ---- More useful functions! ---- ■ Municipal pinpoint weather forecast Not only marine spots, but also weather forecasts for municipalities (municipal offices) nationwide are provided in hourly time series. ~ Please use it not only for marine leisure scenes but also for everyday life such as shopping, commuting to work / school ~ ■ Browsing history of marine spots and municipalities From "browsing history", list the history of recently viewed marine spots and municipalities. Frequent pages are easier to access. ■ Bookmark your favorite marine spots "My Points" List multiple marine spots that you often go to! "My Point" is a function that allows you to quickly check the weather of the marine spot you are going to. ■ Route search from your current location By linking the current location information with the app, you can search for routes to fishing spots on the map app.

Version
1.2.8
Updated
Mar 26, 2026
Content Rating
Everyone
Installs
50,000+
Developer
Risesystem.inc
Website
https://www.umitenki.jp/
Email
info@umitenki.jp
In-app purchases
No

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