[{"data":1,"prerenderedAt":366},["ShallowReactive",2],{"navigation_docs":3,"landing":85},[4,50,65],{"title":5,"path":6,"stem":7,"children":8,"page":49},"Using the app","/using-the-app","1.using-the-app",[9,14,19,24,29,34,39,44],{"title":10,"path":11,"stem":12,"icon":13},"Getting started","/using-the-app/getting-started","1.using-the-app/1.getting-started","i-lucide-rocket",{"title":15,"path":16,"stem":17,"icon":18},"Map","/using-the-app/map","1.using-the-app/2.map","i-lucide-map",{"title":20,"path":21,"stem":22,"icon":23},"Stations","/using-the-app/stations","1.using-the-app/3.stations","i-lucide-list",{"title":25,"path":26,"stem":27,"icon":28},"Charts","/using-the-app/charts","1.using-the-app/4.charts","i-lucide-chart-line",{"title":30,"path":31,"stem":32,"icon":33},"Tables","/using-the-app/tables","1.using-the-app/5.tables","i-lucide-table",{"title":35,"path":36,"stem":37,"icon":38},"Calendars","/using-the-app/calendars","1.using-the-app/6.calendars","i-lucide-calendar",{"title":40,"path":41,"stem":42,"icon":43},"Weather","/using-the-app/weather","1.using-the-app/7.weather","i-lucide-wind",{"title":45,"path":46,"stem":47,"icon":48},"Account","/using-the-app/account","1.using-the-app/8.account","i-lucide-user",false,{"title":51,"path":52,"stem":53,"children":54,"page":49},"Alerts & hardware","/alerts-and-hardware","2.alerts-and-hardware",[55,60],{"title":56,"path":57,"stem":58,"icon":59},"Email alerts","/alerts-and-hardware/alerts","2.alerts-and-hardware/1.alerts","i-lucide-mail",{"title":61,"path":62,"stem":63,"icon":64},"Hardware gauges","/alerts-and-hardware/hardware","2.alerts-and-hardware/2.hardware","i-lucide-gauge",{"title":66,"path":67,"stem":68,"children":69,"page":49},"About the data","/about-the-data","3.about-the-data",[70,75,80],{"title":71,"path":72,"stem":73,"icon":74},"Not an official NOAA app","/about-the-data/not-noaa","3.about-the-data/1.not-noaa","i-lucide-info",{"title":76,"path":77,"stem":78,"icon":79},"MLLW, NAVD88, and what the numbers mean","/about-the-data/datums","3.about-the-data/2.datums","i-lucide-ruler",{"title":81,"path":82,"stem":83,"icon":84},"Privacy and terms","/about-the-data/legal","3.about-the-data/3.legal","i-lucide-scale",{"id":86,"title":87,"body":88,"description":87,"extension":358,"meta":359,"navigation":360,"path":361,"seo":362,"stem":364,"__hash__":365},"landing/index.md","",{"type":89,"value":90,"toc":355},"minimark",[91,131,201,244,276,306],[92,93,94,98,122],"u-page-hero",{},[95,96,97],"template",{"v-slot:title":87},"Tide Alerts help",[95,99,100,101,105,106,109,110,113,114,117,118,121],{"v-slot:description":87},"Water levels on a ",[102,103,104],"strong",{},"local waterway"," — live gauges and local predictions, not a distant NOAA table applied as an offset. 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Print or share tide tables as PDF. Sync a live calendar into Apple Calendar, Google, or Outlook.",[132,202,203,206],{},[95,204,205],{"v-slot:title":87},"Not the same as other tide apps",[95,207,208,209,212,213,216,217,220,221,224,225,228,229,232,233,236,237,240,241,121],{"v-slot:description":87},"Most tide apps reprint the ",[102,210,211],{},"same NOAA high/low tables"," — historical averages, often with ",[102,214,215],{},"no live water",". Tide Alerts shows ",[102,218,219],{},"hyperlocal gauges"," plus ",[102,222,223],{},"raw"," SECOORA, NERACOOS, and USGS observations with ",[102,226,227],{},"our own predictions",", so those sites get ",[102,230,231],{},"tables, calendars, and forecasts that typically have not existed before",". For ",[102,234,235],{},"NOAA"," stations we use ",[102,238,239],{},"NOAA predictions"," together with live or recent readings. We do not treat a neighboring bay’s NOAA station as if it were your creek. Read ",[154,242,243],{"href":72},"why that matters",[132,245,246,249],{},[95,247,248],{"v-slot:title":87},"What the numbers mean",[95,250,251,252,255,256,259,260,263,264,267,268,271,272,275],{"v-slot:description":87},"Tide chart values are height of the ",[102,253,254],{},"water surface"," above a zero such as ",[102,257,258],{},"MLLW"," — not how deep the water is, and not how much room is under a bridge, ",[102,261,262],{},"unless"," that station has ",[102,265,266],{},"measured"," bottom and bridge datums. Owners of Sentient Things tide stations have that ",[102,269,270],{},"today","; it is coming to NOAA, SECOORA, NERACOOS, and USGS stations too. ",[154,273,274],{"href":77},"MLLW, NAVD88, and datums"," explains the ruler in plain language.",[132,277,278,281],{},[95,279,280],{"v-slot:title":87},"Coverage",[95,282,283,284,286,287,290,291,294,295,297,298,301,302,305],{"v-slot:description":87},"Sentient Things hyperlocal gauges plus ",[102,285,223],{}," SECOORA, NERACOOS, and USGS station data (NOAA ",[102,288,289],{},"typically"," publishes ",[102,292,293],{},"no tide tables"," for those sites; we compute ",[102,296,227],{}," from measurements at that station — more accurate for ",[102,299,300],{},"that location"," even if NOAA does publish a table nearby — so you get tables and calendars where they usually did not exist), and NOAA stations that provide live or recent readings ",[102,303,304],{},"with NOAA predictions"," — more than 450 tidal stations.",[307,308,309,315],"warning",{},[310,311,312],"p",{},[102,313,314],{},"Honest limits (this version)",[316,317,318,329,341,352],"ul",{},[319,320,321,324,325,328],"li",{},[102,322,323],{},"Not"," an ",[154,326,327],{"href":72},"official NOAA app",". We do not claim to be more accurate than NOAA everywhere.",[319,330,331,333,334,164,337,340],{},[102,332,56],{}," ship today. Custom threshold alerts, ",[102,335,336],{},"push notifications",[102,338,339],{},"SMS"," do not.",[319,342,343,344,347,348,351],{},"There are ",[102,345,346],{},"no in-app purchases",". ",[154,349,350],{"href":62},"Hardware tide gauges"," (solar, cellular) are sold separately.",[319,353,354],{},"Data and forecasts are for awareness — not a substitute for official marine forecasts or your own judgment.",{"title":87,"searchDepth":356,"depth":356,"links":357},2,[],"md",{},true,"/",{"title":97,"description":363},"First-run help for the Tide Alerts app — map, stations, charts, tables, calendars, weather, and email alerts.","index","D33k0BbiOvV7ukY75VhCoRB5GwSm7uGLWp9aDeavyTU",1787521945938]