Tideline: Tide Forecasts

Tideline: Tide Forecasts

NOAA tide forecasts & widgets

7 ratings
5 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 20, 2026
  • September 4, 2026

Features

Tideline: Tide Forecasts screenshot #1 for iPhone
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Tideline: Tide Forecasts screenshot #9 for iPhone
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About

This app provides accurate tide forecasts for over 400 US coastal stations and the Great Lakes, powered by official NOAA data. It offers a clean interface with real-time conditions, home screen widgets, and extended forecasts for planning water activities.

NOAA tide forecasts
Real-time water and air temperature
Home and lock screen widgets
Extended 7-day forecast
400+ US coastal stations
Calm and focused design
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What's New in Tideline

2.4

September 4, 2026

New in Tideline Pro See predicted current speed right on the tide chart. Tap Current above the chart at any location with a nearby NOAA current station, and a second line shows flood, ebb, and slack water on the same timeline as the tide, so you can see at a glance whether slack lines up with high and low water or runs behind it. Fixed Tide heights just below zero displayed with a stray minus sign, showing "-0.0 ft" instead of "0.0 ft".

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In-App Purchases

$4.99

Tideline Pro

Adds saved locations and a 7-day tide forecast.

User reviews

Best tide app for divers

I’m a PADI OWD certified scuba diver based out of Key West. I’ve found this app incredibly useful for tracking the tide for dives and other maritime activities. It’s sleek, easy to use and provides all the information I need without being cluttered. I would recommend this app to any diver or sea lover!
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Great app

I appreciate the fishing info as well as having it always be on my lock screen.

Slickest Tide App on the Market

The app has a clean UI, good functionality and a Home Screen widget. The data refreshes instantly and has been super handy.

Great app

Very informative and love having it as a widget. Always know what’s happening with a quick glance.

Love the lock screen widget!

Best tide app out there- easy to use and the only one I’ve found that has a lock screen widget. 5/5 stars!!

FAQ

What is Tideline?

Tideline is a free weather app that provides accurate tide forecasts for over 400 US coastal stations and the Great Lakes, powered by official NOAA data. It features a clean interface with real-time conditions and customizable widgets.

Does Tideline have ads?

No, Tideline is ad-free. The app focuses on providing a clean and uninterrupted user experience without advertisements.

What devices does Tideline support?

Tideline is currently supported on iPhone devices. It offers home screen and lock screen widgets for quick access to tide information.

How accurate are Tideline's forecasts?

Tideline's tide predictions are sourced directly from NOAA's Tides and Currents service, ensuring government-grade accuracy. This is the same data used by professional mariners and the US Coast Guard.

Can I save favorite locations in Tideline?

Yes, the Tideline Pro feature allows you to save multiple locations, tracking up to 10 favorite spots. This premium feature helps you easily monitor tides for your preferred areas.

How often is Tideline updated?

Tideline was last updated on July 1, 2026, with version 1.5.4. The app is actively maintained to ensure data accuracy and feature reliability.

What is the age rating for Tideline?

Tideline has an age rating of 4+, making it suitable for users of all ages. Its straightforward design and focus on factual data contribute to its broad accessibility.

Does Tideline collect user data?

No, Tideline prioritizes user privacy and does not collect your data. Location information stays on your device and is used solely to find the nearest NOAA station. There are no accounts, tracking, or analytics.