Tide Chart & Times: Tidesill

Tidesill shows when the water is high, when it is low and, most usefully, when it crosses the height that matters to you. Set your own water line for a spot, and the chart, the widget and an optional reminder all tell you when the tide is above or below it. A boat ramp that needs two feet of water, a sandbar you can only walk at low tide, a dock that sits on the mud, a tide pool that opens only on the lowest tides: everyone who plans around the sea has a number in mind. Most tide apps leave you to read it off the curve. Tidesill draws it for you. Your water line • Set a height for any saved station, in feet or meters • Choose whether you need the water above the line or below it • See the matching windows shaded on the daily chart, with the times the tide crosses your line • The widget tells you in one line whether you are inside a window now, and when it ends or the next one begins • Turn on a reminder before a window opens, separately for each station • List the next windows that fall in daylight, day by day Tide chart and tide table • A smooth chart of the whole day, with the current height and a marker for now • Times and heights of every high and low tide • Daylight and twilight shaded on the chart • Swipe through the next 7 days, or watch a short ad to open a 30-day view for 24 hours • Save or share a monthly tide table as a PDF, with your water line windows marked Sun and moon • Sunrise, sunset and twilight times for each station • Moonrise, moonset and moon phase • Spring tide days, around full and new moon, are marked in the week view Stations • More than 3,000 US tide prediction stations, including Hawaii, Alaska, Puerto Rico and the US Pacific territories • Find the nearest stations with your location, or search by station name, town or state • Pick stations on a map and keep your favorites in one list • Saved stations keep their predictions on your phone, so the chart and the widget work offline Data and limits Tide predictions come from the Center for Operational Oceanographic Products and Services (CO-OPS) of NOAA. Tidesill is an independent app and is not affiliated with or endorsed by NOAA or any government agency. Predictions are astronomical: wind, storms, river flow and air pressure can make the real water level higher or lower, sometimes by a lot. At secondary stations, where only high and low tides are predicted, the curve is drawn between them and window times are approximate; these stations are marked in the app. Tidesill is not a navigation tool. Do not use it to decide whether a passage, crossing or launch is safe; check local notices, signs and the conditions on site. Privacy and ads Your stations, water lines and reminders stay on your phone. Location is used only to find nearby stations, only when you ask, and you can always search by name instead. The app is supported by ads, and the ad provider may collect data as described in the privacy policy and the Data safety section of this listing.

Bug fixes and performance improvements.