---
title: "Tide Alert (NOAA) - Tide Chart — App Overview"
url: https://marlvel.ai/intel-report/weather/com-rivolu-tidealert
category: Weather
developer: Rivolu LLC
platforms: ios
rating: 4.8 (43.5K ratings)
pricing: freemium
report_level: overview
generated: 2026-04-16
last_verified: "2026-04-18T20:15:19.937Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers robust, offline-capable NOAA data, recent user feedback highlights friction regarding the transition to a paywalled model for previously free features.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Weather |
| Rating | 4.8 ★ (43.5K) |
| Pricing | freemium |
| Platforms | iOS |
| Latest Version (iOS) | 3.3 |
| Developer | Rivolu LLC |

<!-- SECTION: Summary -->
## What is Tide Alert (NOAA) - Tide Chart?

Tide Alert is a weather utility that provides NOAA-sourced tide predictions, current speeds, and lunar phases for US coastal stations. It distinguishes itself through offline functionality and customizable alerts for specific tide levels, catering to users who require reliable maritime data.

<!-- SECTION: Key Features -->
## Key Features

- **NOAA-Powered Forecasting**: Delivers accurate high and low tide times, current speeds, and slack tide windows using official NOAA data.
- **Custom Alerts**: Allows users to set notifications for specific tide levels or high and low tide events.
- **Offline Support**: Ensures tide data remains accessible to users even when they are outside of cellular service range.
- **Comparative Analysis**: Enables side-by-side comparison of multiple tide stations directly from the map interface.

<!-- SECTION: Target Audience -->
## Who is it for?

Maritime professionals, recreational boaters, and coastal residents who rely on accurate tide and current forecasting.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/tide-alert-noaa-tide-chart/id1352211125?uo=2)
- [Full Intelligence Report](https://marlvel.ai/intel-report/weather/com-rivolu-tidealert)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/weather/com-rivolu-tidealert).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*